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DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003392 | image | abc_question_images/parts_plant_11145.png | parts_plant_11145.png | 1 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DD_0106 | image | teaching_images/parts_plant_1145.png | The diagram below shows the different parts of a plant. The root of a plant perform two main functions. First, they anchor the plant to the ground. Second, they absorb water and various nutrients dissolved in water from the soil. Plants use the water to make food. The stem is along with the root one of two main structural axes of a vascular plant. The stem is normally divided into nodes and internodes, the nodes hold leaves, flowers, cones, axillary buds, or other stems. The Branch is a woody structural member connected to but not part of the central trunk of a tree (or sometimes a shrub). A leaf is an above-ground plant organ. Its main functions are photosynthesis and gas exchange. A flower is a special kind of plant part. The flower grows on a stalk äóñ a thin node äóñ which supports it. Flowers have petals. Inside the part of the flower that has petals are the parts which produce pollen and seeds. | 0.828381 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003960 | image | question_images/parts_plant_3790.png | parts_plant_3790.png | 0.776852 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003922 | image | question_images/parts_plant_3225.png | parts_plant_3225.png | 0.776199 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003449 | image | abc_question_images/types_leaves_10988.png | types_leaves_10988.png | 0.769441 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003965 | image | question_images/parts_plant_3791.png | parts_plant_3791.png | 0.768788 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003834 | image | question_images/parts_plant_1.png | parts_plant_1.png | 0.768151 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003608 | image | question_images/parts_leaf_1119.png | parts_leaf_1119.png | 0.761839 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003945 | image | question_images/parts_plant_3787.png | parts_plant_3787.png | 0.759273 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | DQ_003376 | image | abc_question_images/parts_leaf_16262.png | parts_leaf_16262.png | 0.758881 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_1106 | text | null | Despite these problems, there is a rich fossil record. How does an organism become fossilized? | 0.500657 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_2270 | text | null | Nervous system problems include diseases and injuries. Most nervous system diseases cant be prevented. But you can take steps to decrease your risk of nervous system injuries. | 0.49401 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_4644 | text | null | Science is more about gaining knowledge than it is about simply having knowledge. Science is a way of learning about the natural world that is based on evidence and logic. In other words, science is a process, not just a body of facts. Through the process of science, our knowledge of the world advances. | 0.489514 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_3278 | text | null | What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you how quickly a population is increasing or decreasing. What determines the population growth rate for a particular population? | 0.489413 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_0094 | text | null | Our solar system began about 5 billion years ago. The Sun, planets and other solar system objects all formed at about the same time. | 0.489012 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_2308 | text | null | The immune system is the body system that normally fights infections and defends against other causes of disease. When the immune system is working well, it usually keeps you from getting sick. But like any other body system, the immune system can have problems and develop diseases. Two types of immune system diseases are autoimmune diseases and allergies. | 0.48827 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_3491 | text | null | Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health. | 0.488225 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.487649 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_0332 | text | null | All living things need energy. They need it to power the processes of life. For example, it takes energy to grow. It also takes energy to produce offspring. In fact, it takes energy just to stay alive. Remember that energy cant be created or destroyed. It can only change form. Energy changes form as it moves through ecosystems. | 0.484589 |
DQ_003395 | Where is the system? | abc_question_images/parts_plant_11145.png | a. w, b. h, c. k, d. s | a | T_0116 | text | null | Every organism is different from every other organism. Every organisms genes are different, too. | 0.483096 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003396 | image | abc_question_images/parts_plant_11155.png | parts_plant_11155.png | 1 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003856 | image | question_images/parts_plant_1155.png | parts_plant_1155.png | 0.836335 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003437 | image | abc_question_images/parts_plant_16276.png | parts_plant_16276.png | 0.777761 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003431 | image | abc_question_images/parts_plant_16272.png | parts_plant_16272.png | 0.74338 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003427 | image | abc_question_images/parts_plant_13579.png | parts_plant_13579.png | 0.734895 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003981 | image | question_images/parts_plant_3797.png | parts_plant_3797.png | 0.72773 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003405 | image | abc_question_images/parts_plant_13164.png | parts_plant_13164.png | 0.717185 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_004039 | image | question_images/parts_plant_98.png | parts_plant_98.png | 0.700422 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003989 | image | question_images/parts_plant_3847.png | parts_plant_3847.png | 0.70001 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | DQ_003409 | image | abc_question_images/parts_plant_13195.png | parts_plant_13195.png | 0.693843 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_1908 | text | null | A life scientist would carry out a scientific investigation to try to answer this question. A scientific investigation follows a general plan called the scientific method. The scientific method is a series of logical steps for testing a possible answer to a question. The steps are shown in the flow chart in Figure 1.8. | 0.540625 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_0001 | text | null | The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followed in the scientific method is illustrated in Figure 1.1. | 0.524389 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_1184 | text | null | The flow of matter in an ecosystem is not like energy flow. Matter enters an ecosystem at any level and leaves at any level. Matter cycles freely between trophic levels and between the ecosystem and the physical environment (Figure | 0.523436 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_0638 | text | null | To understand minerals, we must first understand matter. Matter is the substance that physical objects are made of. | 0.520496 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_3941 | text | null | Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter. | 0.51959 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_4421 | text | null | 1. What is the traditional definition of gravity? 2. Identify factors that influence the strength of gravity between two objects. | 0.518706 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_4644 | text | null | Science is more about gaining knowledge than it is about simply having knowledge. Science is a way of learning about the natural world that is based on evidence and logic. In other words, science is a process, not just a body of facts. Through the process of science, our knowledge of the world advances. | 0.517325 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_2508 | text | null | Cellular respiration and photosynthesis are like two sides of the same coin. This is clear from the diagram in Figure needed for photosynthesis. Together, the two processes store and release energy in virtually all living things. | 0.511697 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_0976 | text | null | To be considered alive a molecule must: be organic. The organic molecules needed are amino acids, the building blocks of life. have a metabolism. be capable of replication (be able to reproduce). | 0.511297 |
DQ_003396 | The Stem is identified by which letter in the diagram? | abc_question_images/parts_plant_11155.png | a. C, b. R, c. N, d. E | a | T_1106 | text | null | Despite these problems, there is a rich fossil record. How does an organism become fossilized? | 0.509227 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003396 | image | abc_question_images/parts_plant_11155.png | parts_plant_11155.png | 1 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003856 | image | question_images/parts_plant_1155.png | parts_plant_1155.png | 0.836335 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003437 | image | abc_question_images/parts_plant_16276.png | parts_plant_16276.png | 0.777761 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003431 | image | abc_question_images/parts_plant_16272.png | parts_plant_16272.png | 0.74338 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003427 | image | abc_question_images/parts_plant_13579.png | parts_plant_13579.png | 0.734895 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003981 | image | question_images/parts_plant_3797.png | parts_plant_3797.png | 0.72773 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003405 | image | abc_question_images/parts_plant_13164.png | parts_plant_13164.png | 0.717185 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_004039 | image | question_images/parts_plant_98.png | parts_plant_98.png | 0.700422 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003989 | image | question_images/parts_plant_3847.png | parts_plant_3847.png | 0.70001 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | DQ_003409 | image | abc_question_images/parts_plant_13195.png | parts_plant_13195.png | 0.693843 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2534 | text | null | Both types of reproduction have certain advantages. | 0.485392 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_0698 | text | null | Energy changes form when something happens. But the total amount of energy always stays the same. The Law of Conservation of Energy says that energy cannot be created or destroyed. Scientists observed that energy could change from one form to another. They also observed that the overall amount of energy did not change. | 0.474859 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_3491 | text | null | Vitamins and minerals are also nutrients. They do not provide energy, but they are needed for good health. | 0.468636 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2276 | text | null | A drug is any chemical substance that affects the body or brain. Some drugs are medicines. Although these drugs are helpful when used properly, they can be misused like any other drug. Drugs that arent medicines include both legal and illegal drugs. Both can do harm. | 0.466799 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2237 | text | null | All known matter can be divided into a little more than 100 different substances called elements. | 0.464568 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2746 | text | null | Like all organisms, bacteria need energy, and they can acquire this energy through a number of different ways. | 0.463982 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2527 | text | null | Budding occurs when a parent cell forms a bubble-like bud. The bud stays attached to the parent while it grows and develops. It breaks away from the parent only after it is fully formed. Yeasts can reproduce this way. You can see two yeast cells budding in Figure 5.11. | 0.461428 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_0726 | text | null | Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy. | 0.460616 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_3043 | text | null | The great apes are the members of the biological family Hominidae, which includes four living genera: chimpanzees, gorillas, orangutans and humans. Among these four genera are just seven species, two of each except humans, which has only one species, Homo sapiens. | 0.457847 |
DQ_003397 | Which letter represents the bud? | abc_question_images/parts_plant_11155.png | a. N, b. R, c. C, d. E | b | T_2163 | text | null | The vitamins to watch out for are A, D, E, and K. These vitamins are stored by the body, so they can build up to high levels. | 0.455925 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003396 | image | abc_question_images/parts_plant_11155.png | parts_plant_11155.png | 1 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003856 | image | question_images/parts_plant_1155.png | parts_plant_1155.png | 0.836335 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003437 | image | abc_question_images/parts_plant_16276.png | parts_plant_16276.png | 0.777761 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003431 | image | abc_question_images/parts_plant_16272.png | parts_plant_16272.png | 0.74338 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003427 | image | abc_question_images/parts_plant_13579.png | parts_plant_13579.png | 0.734895 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003981 | image | question_images/parts_plant_3797.png | parts_plant_3797.png | 0.72773 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003405 | image | abc_question_images/parts_plant_13164.png | parts_plant_13164.png | 0.717185 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_004039 | image | question_images/parts_plant_98.png | parts_plant_98.png | 0.700422 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003989 | image | question_images/parts_plant_3847.png | parts_plant_3847.png | 0.70001 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | DQ_003409 | image | abc_question_images/parts_plant_13195.png | parts_plant_13195.png | 0.693843 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_3385 | text | null | Plants seem to grow wherever they can. How? Plants cant move on their own. So how does a plant start growing in a new area? | 0.46353 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_1947 | text | null | Some seed plants evolved another major adaptation. This was the formation of seeds in flowers. Flowers are plant structures that contain male and/or female reproductive organs. | 0.419365 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_1954 | text | null | Instead of fleeing, a plants primary way of responding is to change how it is growing. One way is by tropisms. | 0.384148 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0026 | text | null | When a lot of rain falls in a short period of time, much of the water is unable to soak into the ground. Instead, it runs over the land. Gravity causes the water to flow from higher to lower ground. As the runoff flows, it may pick up loose material on the surface, such as bits of soil and sand. Runoff is likely to cause more erosion if the land is bare. Plants help hold the soil in place. The runoff water in Figure 10.3 is brown because it eroded soil from a bare, sloping field. Can you find evidence of erosion by runoff where you live? What should you look for? Much of the material eroded by runoff is carried into bodies of water, such as streams, rivers, ponds, lakes, or oceans. Runoff is an important cause of erosion. Thats because it occurs over so much of Earths surface. | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0023 | text | null | The size of particles determines how they are carried by flowing water. This is illustrated in Figure 10.2. Minerals that dissolve in water form salts. The salts are carried in solution. They are mixed thoroughly with the water. Small particles, such as clay and silt, are carried in suspension. They are mixed throughout the water. These particles are not dissolved in the water. Somewhat bigger particles, such as sand, are moved by saltation. The particles move in little jumps near the stream bottom. They are nudged along by water and other particles. The biggest particles, including gravel and pebbles, are moved by traction. In this process, the particles roll or drag along the bottom of the water. | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0022 | text | null | Faster-moving water has more energy. Therefore, it can carry larger particles. It can carry more particles. What causes water to move faster? The slope of the land over which the water flows is one factor. The steeper the slope, the faster the water flows. Another factor is the amount of water thats in the stream. Streams with a lot of water flow faster than streams that are nearly dry. | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0021 | text | null | Flowing water is a very important agent of erosion. Flowing water can erode rocks and soil. Water dissolves minerals from rocks and carries the ions. This process happens really slowly. But over millions of years, flowing water dissolves massive amounts of rock. Moving water also picks up and carries particles of soil and rock. The ability to erode is affected by the velocity, or speed, of the water. The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited. The graph in Figure 10.1 shows how water velocity and particle size influence erosion and deposition. | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0020 | text | null | Astronomy and astronomers have shown that the planets in our solar system are not the only planets in the universe. Over 530 planets were known outside our solar system in 2011. And there are billions of other planets! The universe also contains black holes, other galaxies, asteroids, comets, and nebula. As big as Earth seems, the entire universe is vastly more enormous. Earth is just a tiny part of our universe. Astronomers use many tools to study things in space. Earth-orbiting telescopes view stars and galaxies from the darkness of space (Figure 1.17). They may have optical and radio telescopes to see things that the human eye cant see. Spacecraft travel great distances to send back information on faraway places. Astronomers ask a wide variety of questions. How do strong bursts of energy from the Sun, called solar flares, affect communications? How might an impact from an asteroid affect life on Earth? What are the properties of black holes? Astronomers ask bigger questions too. How was the universe created? Is there life on other planets? Are there resources on other planets that people could use? Astronomers use what Earth scientists know to make comparisons with other planets. | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0018 | text | null | Meteorologists dont study meteors they study the atmosphere! The word meteor refers to things in the air. Meteorology includes the study of weather patterns, clouds, hurricanes, and tornadoes. Meteorology is very important. Using radars and satellites, meteorologists work to predict, or forecast, the weather (Figure 1.14). The atmosphere is a thin layer of gas that surrounds Earth. Climatologists study the atmosphere. These scientists work to understand the climate as it is now. They also study how climate will change in response to global warming. The atmosphere contains small amounts of carbon dioxide. Climatologists have found that humans are putting a lot of extra carbon dioxide into the atmosphere. This is mostly from burning fossil fuels. The extra carbon dioxide traps heat from the Sun. Trapped heat causes the atmosphere to heat up. We call this global warming (Figure 1.15). | 0.377791 |
DQ_003398 | Where is the flower? | abc_question_images/parts_plant_11155.png | a. n, b. c, c. r, d. e | a | T_0018 | text | null | Meteorologists dont study meteors they study the atmosphere! The word meteor refers to things in the air. Meteorology includes the study of weather patterns, clouds, hurricanes, and tornadoes. Meteorology is very important. Using radars and satellites, meteorologists work to predict, or forecast, the weather (Figure 1.14). The atmosphere is a thin layer of gas that surrounds Earth. Climatologists study the atmosphere. These scientists work to understand the climate as it is now. They also study how climate will change in response to global warming. The atmosphere contains small amounts of carbon dioxide. Climatologists have found that humans are putting a lot of extra carbon dioxide into the atmosphere. This is mostly from burning fossil fuels. The extra carbon dioxide traps heat from the Sun. Trapped heat causes the atmosphere to heat up. We call this global warming (Figure 1.15). | 0.377791 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003399 | image | abc_question_images/parts_plant_11160.png | parts_plant_11160.png | 1 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003868 | image | question_images/parts_plant_1160.png | parts_plant_1160.png | 0.888129 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003409 | image | abc_question_images/parts_plant_13195.png | parts_plant_13195.png | 0.811267 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003917 | image | question_images/parts_plant_3224.png | parts_plant_3224.png | 0.80806 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003971 | image | question_images/parts_plant_3793.png | parts_plant_3793.png | 0.807464 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003405 | image | abc_question_images/parts_plant_13164.png | parts_plant_13164.png | 0.806617 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_004032 | image | question_images/parts_plant_906.png | parts_plant_906.png | 0.796836 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003983 | image | question_images/parts_plant_3799.png | parts_plant_3799.png | 0.79165 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003965 | image | question_images/parts_plant_3791.png | parts_plant_3791.png | 0.785918 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | DQ_003955 | image | question_images/parts_plant_3789.png | parts_plant_3789.png | 0.784523 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_3941 | text | null | Why do different states of matter have different properties? Its because of differences in energy at the level of atoms and molecules, the tiny particles that make up matter. | 0.532488 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_1908 | text | null | A life scientist would carry out a scientific investigation to try to answer this question. A scientific investigation follows a general plan called the scientific method. The scientific method is a series of logical steps for testing a possible answer to a question. The steps are shown in the flow chart in Figure 1.8. | 0.530056 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_2508 | text | null | Cellular respiration and photosynthesis are like two sides of the same coin. This is clear from the diagram in Figure needed for photosynthesis. Together, the two processes store and release energy in virtually all living things. | 0.525023 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_1184 | text | null | The flow of matter in an ecosystem is not like energy flow. Matter enters an ecosystem at any level and leaves at any level. Matter cycles freely between trophic levels and between the ecosystem and the physical environment (Figure | 0.519504 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_2237 | text | null | All known matter can be divided into a little more than 100 different substances called elements. | 0.513421 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_3963 | text | null | Figure 5.1 represents a simple model of an atom. You will learn about more complex models in later lessons, but this model is a good place to start. You can see similar, animated models of atoms at this URL: http://web.jjay.cuny | 0.507348 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_0001 | text | null | The scientific method is a set of steps that help us to answer questions. When we use logical steps and control the number of things that can be changed, we get better answers. As we test our ideas, we may come up with more questions. The basic sequence of steps followed in the scientific method is illustrated in Figure 1.1. | 0.504414 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_4893 | text | null | A given kind of matter has the same chemical makeup and the same chemical properties regardless of its state. Thats because state of matter is a physical property. As a result, when matter changes state, it doesnt become a different kind of substance. For example, water is still water whether it exists as ice, liquid water, or water vapor. | 0.503958 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_4814 | text | null | Graphs are very useful tools in science. They can help you visualize a set of data. With a graph, you can actually see what all the numbers in a data table mean. Three commonly used types of graphs are bar graphs, circle graphs, and line graphs. Each type of graph is suitable for showing a different type of data. | 0.502772 |
DQ_003399 | By what letter is the stem represented in the diagram? | abc_question_images/parts_plant_11160.png | a. V, b. K, c. D, d. R | c | T_4844 | text | null | An electric circuit consists of at least one closed loop through which electric current can flow. Every circuit has a voltage source such as a battery and a conductor such as metal wire. A circuit may have other parts as well, such as lights and switches. In addition, a circuit may consist of one loop or two loops. | 0.501393 |
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