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13,000 | NDQ_013843 | transfer of thermal energy | Conduction occurs when particles of matter flow. | null | null | Multiple Choice | a. true, b. false | b |
13,001 | NDQ_013845 | transfer of thermal energy | Insulation can keep a house cool on a hot day. | null | null | Multiple Choice | a. true, b. false | a |
13,002 | NDQ_013848 | transfer of thermal energy | Thermal energy is always transferred from cooler to warmer objects. | null | null | Multiple Choice | a. true, b. false | b |
13,003 | NDQ_013850 | transfer of thermal energy | Land and sea breezes are examples of convection currents. | null | null | Multiple Choice | a. true, b. false | a |
13,004 | NDQ_013851 | transfer of thermal energy | Only hot objects radiate thermal energy. | null | null | Multiple Choice | a. true, b. false | b |
13,005 | NDQ_013852 | transfer of thermal energy | A pot resting on a hot stovetop heats up because of | null | null | Multiple Choice | a. convection., b. conduction., c. radiation., d. all of the above | b |
13,006 | NDQ_013853 | transfer of thermal energy | Your hand feels cold when you hold an ice cube because | null | null | Multiple Choice | a. the ice radiates cold to your hand., b. the ice conducts cold to your hand., c. your hand cools down by convection., d. your hand transfers thermal energy to the ice. | d |
13,007 | NDQ_013854 | transfer of thermal energy | In which of the following materials does conduction occur most quickly? | null | null | Multiple Choice | a. iron, b. wood, c. plastic, d. oxygen | a |
13,008 | NDQ_013855 | transfer of thermal energy | Examples of thermal insulators include | null | null | Multiple Choice | a. down feathers., b. Styrofoam., c. air., d. all of the above | d |
13,009 | NDQ_013856 | transfer of thermal energy | The transfer of thermal energy by convection occurs only in | null | null | Multiple Choice | a. gases., b. solids., c. fluids., d. liquids. | c |
13,010 | NDQ_013857 | transfer of thermal energy | Thermal energy is transferred throughout the ocean by | null | null | Multiple Choice | a. radiation., b. conduction., c. thermal conductors., d. convection currents. | d |
13,011 | NDQ_013858 | transfer of thermal energy | A sea breeze blows | null | null | Multiple Choice | a. toward the land., b. toward the sea., c. only at night., d. during both day and night. | a |
13,012 | NDQ_013859 | transfer of thermal energy | Conduction occurs only between particles that collide. | null | null | Multiple Choice | a. true, b. false | a |
13,013 | NDQ_013860 | transfer of thermal energy | Wood is an example of a good thermal conductor. | null | null | Multiple Choice | a. true, b. false | b |
13,014 | NDQ_013861 | transfer of thermal energy | Home insulation prevents the transfer of cold into the house. | null | null | Multiple Choice | a. true, b. false | b |
13,015 | NDQ_013862 | transfer of thermal energy | Warmer air rises because it is less dense than cooler air. | null | null | Multiple Choice | a. true, b. false | a |
13,016 | NDQ_013863 | transfer of thermal energy | All objects radiate thermal energy. | null | null | Multiple Choice | a. true, b. false | a |
13,017 | NDQ_013864 | transfer of thermal energy | Convection currents carry thermal energy from the sun to Earth. | null | null | Multiple Choice | a. true, b. false | b |
13,018 | NDQ_013865 | transfer of thermal energy | Fluid particles with more energy have greater density. | null | null | Multiple Choice | a. true, b. false | b |
13,019 | NDQ_013866 | transfer of thermal energy | Metals are excellent thermal conductors because they have freely moving electrons. | null | null | Multiple Choice | a. true, b. false | a |
13,020 | NDQ_013867 | transfer of thermal energy | A land breeze is an example of a convection current. | null | null | Multiple Choice | a. true, b. false | a |
13,021 | NDQ_013868 | transfer of thermal energy | Thermal energy is transferred from a space heater to a person in front of it by conduction. | null | null | Multiple Choice | a. true, b. false | b |
13,022 | NDQ_013869 | using thermal energy | The function of a thermostat is to transfer thermal energy. | null | null | Multiple Choice | a. true, b. false | b |
13,023 | NDQ_013870 | using thermal energy | What happens to hot water as it moves through a homes hot-water heating system? | null | null | Multiple Choice | a. It transfers thermal energy to the rooms of the house., b. It cools down and returns to the boiler., c. It turns to steam, which runs the fan., d. two of the above | d |
13,024 | NDQ_013871 | using thermal energy | The water in a hot-water heating system is heated by a furnace. | null | null | Multiple Choice | a. true, b. false | b |
13,025 | NDQ_013872 | using thermal energy | In a warm-air heating system, cold air in each room | null | null | Multiple Choice | a. enters an intake vent near the ceiling., b. blows out of a vent and across the room., c. leaves the house through the chimney., d. transfers thermal energy to the furnace. | a |
13,026 | NDQ_013873 | using thermal energy | In a warm-air heating system, pipes carry thermal energy throughout the house. | null | null | Multiple Choice | a. true, b. false | b |
13,027 | NDQ_013874 | using thermal energy | What happens when the refrigerant of a cooling system absorbs thermal energy? | null | null | Multiple Choice | a. It melts., b. It thaws., c. It condenses., d. It evaporates. | d |
13,028 | NDQ_013875 | using thermal energy | How are internal and external combustion engines similar? | null | null | Multiple Choice | a. Both burn fuel in a cylinder., b. Both produce thermal energy., c. Both have a piston that moves in a cylinder., d. two of the above | d |
13,029 | NDQ_013876 | using thermal energy | Thermal energy from inside a refrigerator changes the refrigerant to a gas. | null | null | Multiple Choice | a. true, b. false | a |
13,030 | NDQ_013877 | using thermal energy | A combustion engine burns fuel to produce thermal energy. | null | null | Multiple Choice | a. true, b. false | a |
13,031 | NDQ_013878 | using thermal energy | In a functioning combustion engine, the piston has | null | null | Multiple Choice | a. kinetic energy., b. electrical energy., c. chemical energy., d. thermal energy. | a |
13,032 | NDQ_013880 | using thermal energy | In any combustion engine, the engine does the work of moving a piston. | null | null | Multiple Choice | a. true, b. false | a |
13,033 | NDQ_013881 | using thermal energy | In a warm-air heating system, warm-air vents are always placed near the ceiling. | null | null | Multiple Choice | a. true, b. false | b |
13,034 | NDQ_013883 | using thermal energy | An air conditioner is an example of a cooling system. | null | null | Multiple Choice | a. true, b. false | a |
13,035 | NDQ_013886 | using thermal energy | Refrigerant changes to a liquid in the condenser of a refrigerator. | null | null | Multiple Choice | a. true, b. false | a |
13,036 | NDQ_013888 | using thermal energy | Steam ships have internal combustion engines. | null | null | Multiple Choice | a. true, b. false | b |
13,037 | NDQ_013889 | using thermal energy | The purpose of a radiator in a heating system is to produce thermal energy. | null | null | Multiple Choice | a. true, b. false | b |
13,038 | NDQ_013890 | using thermal energy | substance that absorbs and releases thermal energy in a cooling system | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | c |
13,039 | NDQ_013891 | using thermal energy | Warm air moves through the ducts of heating system because of gravity. | null | null | Multiple Choice | a. true, b. false | b |
13,040 | NDQ_013892 | using thermal energy | device in a heating system that controls the furnace or boiler | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | g |
13,041 | NDQ_013893 | using thermal energy | complex machine that produces thermal energy outside the machine and uses the thermal energy to do | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | e |
13,042 | NDQ_013894 | using thermal energy | The transfer of thermal energy can be used to keep things cool. | null | null | Multiple Choice | a. true, b. false | a |
13,043 | NDQ_013895 | using thermal energy | heating system that includes a boiler, pipes, and radiators | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | f |
13,044 | NDQ_013896 | using thermal energy | Thermal energy naturally moves from a warmer area to a cooler area. | null | null | Multiple Choice | a. true, b. false | a |
13,045 | NDQ_013897 | using thermal energy | The piston of a combustion engine moves because the crankshaft turns. | null | null | Multiple Choice | a. true, b. false | b |
13,046 | NDQ_013898 | using thermal energy | complex machine that produces thermal energy inside the machine and uses the thermal energy to do work | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | a |
13,047 | NDQ_013899 | using thermal energy | refrigerator or air conditioner | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | b |
13,048 | NDQ_013900 | using thermal energy | heating system that includes a furnace, ducts, and vents | null | null | Multiple Choice | a. internal combustion engine, b. cooling system, c. refrigerant, d. warm-air heating system, e. external combustion engine, f. hot-water heating system, g. thermostat | d |
13,049 | NDQ_013901 | using thermal energy | Types of home heating systems include | null | null | Multiple Choice | a. warm-air heating systems., b. hot-water heating systems., c. solar heating systems., d. all of the above | d |
13,050 | NDQ_013902 | using thermal energy | How is thermal energy transferred in a refrigerator? | null | null | Multiple Choice | a. from the warm kitchen to the cool refrigerator, b. from the cool refrigerator to the warm kitchen, c. from the cool refrigerator to the cold outdoors, d. two of the above | b |
13,051 | NDQ_013903 | using thermal energy | Why must a cooling system do work to keep things cool? | null | null | Multiple Choice | a. It transfers thermal energy from a cooler to a warmer place., b. It takes energy to reverse the normal direction of heat flow., c. It takes energy to maintain the normal direction of heat flow., d. two of the above | d |
13,052 | NDQ_013904 | using thermal energy | What happens to the refrigerant as it passes through a cooling system? | null | null | Multiple Choice | a. It freezes and lowers the temperature of the system., b. It changes between liquid and gaseous states., c. It releases thermal energy into the refrigerator., d. It keeps evaporating and has to be replaced. | b |
13,053 | NDQ_013905 | using thermal energy | In an external combustion engine, thermal energy is used directly to | null | null | Multiple Choice | a. move the piston back and forth., b. move the piston up and down., c. turn water into steam., d. all of the above | c |
13,054 | NDQ_013906 | using thermal energy | What happens first in an internal combustion engine? | null | null | Multiple Choice | a. Exhaust gases exit the cylinder., b. The piston moves up or down., c. A fuel-air mixture enters the cylinder., d. The piston rod turns the crankshaft. | c |
13,055 | NDQ_013907 | using thermal energy | Thermal energy from a radiator travels throughout the air in a room by | null | null | Multiple Choice | a. conduction., b. convection., c. radiation., d. all of the above | d |
13,056 | NDQ_013916 | characteristics of waves | You can start a surface wave by | null | null | Multiple Choice | a. pushing and pulling on a spring., b. shaking a rope up and down., c. dropping a pebble in a pond., d. all of the above | c |
13,057 | NDQ_013918 | characteristics of waves | What is required for a mechanical wave to occur? | null | null | Multiple Choice | a. a disturbance in matter, b. a source of energy, c. particles of matter, d. all of the above | d |
13,058 | NDQ_013920 | characteristics of waves | The parts of a longitudinal wave where particles of matter are spread farthest apart are called | null | null | Multiple Choice | a. crests., b. vibrations., c. rarefactions., d. compressions. | c |
13,059 | NDQ_013921 | characteristics of waves | The lowest parts of a transverse wave is are known as | null | null | Multiple Choice | a. valleys., b. troughs., c. bottoms., d. media. | b |
13,060 | NDQ_013924 | characteristics of waves | What is an S wave? | null | null | Multiple Choice | a. any transverse wave, b. a type of longitudinal wave, c. a wave generated by an earthquake, d. two of the above | c |
13,061 | NDQ_013929 | characteristics of waves | A mechanical wave starts with a disturbance in matter. | null | null | Multiple Choice | a. true, b. false | a |
13,062 | NDQ_013932 | characteristics of waves | Particles of matter actually travel along with a mechanical wave. | null | null | Multiple Choice | a. true, b. false | b |
13,063 | NDQ_013934 | characteristics of waves | Transverse waves travel only through solid matter. | null | null | Multiple Choice | a. true, b. false | b |
13,064 | NDQ_013935 | characteristics of waves | Ocean waves travel deep below the surface of the water. | null | null | Multiple Choice | a. true, b. false | b |
13,065 | NDQ_013936 | characteristics of waves | Earthquakes cause longitudinal waves. | null | null | Multiple Choice | a. true, b. false | a |
13,066 | NDQ_013937 | characteristics of waves | The medium of a mechanical wave must be a solid or liquid. | null | null | Multiple Choice | a. true, b. false | b |
13,067 | NDQ_013938 | characteristics of waves | In a surface wave, particles of the medium move only up and down. | null | null | Multiple Choice | a. true, b. false | b |
13,068 | NDQ_013939 | characteristics of waves | Ocean waves crash on shore when the bottoms of the waves slow down due to friction. | null | null | Multiple Choice | a. true, b. false | a |
13,069 | NDQ_013940 | characteristics of waves | In a surface wave, particles of matter move in a circular motion. | null | null | Multiple Choice | a. true, b. false | a |
13,070 | NDQ_013941 | characteristics of waves | All waves transfer energy from one place to another. | null | null | Multiple Choice | a. true, b. false | a |
13,071 | NDQ_013942 | characteristics of waves | A primary (P) wave is a longitudinal wave. | null | null | Multiple Choice | a. true, b. false | a |
13,072 | NDQ_013943 | characteristics of waves | All waves must travel through matter. | null | null | Multiple Choice | a. true, b. false | b |
13,073 | NDQ_013944 | characteristics of waves | All mechanical waves are either transverse or longitudinal waves. | null | null | Multiple Choice | a. true, b. false | b |
13,074 | NDQ_013945 | characteristics of waves | Some waves do not require a medium. | null | null | Multiple Choice | a. true, b. false | a |
13,075 | NDQ_013946 | characteristics of waves | A source of energy is needed to start a mechanical wave. | null | null | Multiple Choice | a. true, b. false | a |
13,076 | NDQ_013947 | characteristics of waves | disturbance in matter that transfers energy from place to place | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | c |
13,077 | NDQ_013948 | characteristics of waves | part of a longitudinal wave where particles of the medium are spread farthest apart | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | f |
13,078 | NDQ_013949 | characteristics of waves | wave in which particles of the medium vibrate at right angles to the direction that the wave travels | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | g |
13,079 | NDQ_013950 | characteristics of waves | combined transverse and longitudinal wave | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | e |
13,080 | NDQ_013951 | characteristics of waves | part of a transverse wave where particles of the medium are lowest | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | b |
13,081 | NDQ_013952 | characteristics of waves | wave in which particles of the medium vibrate in the same direction that the wave travels | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | a |
13,082 | NDQ_013953 | characteristics of waves | matter through which a mechanical wave travels | null | null | Multiple Choice | a. longitudinal wave, b. trough, c. mechanical wave, d. medium, e. surface wave, f. rarefaction, g. transverse wave | d |
13,083 | NDQ_013954 | characteristics of waves | Types of mechanical waves include | null | null | Multiple Choice | a. longitudinal waves., b. transverse waves., c. surface waves., d. all of the above | d |
13,084 | NDQ_013955 | characteristics of waves | The medium of a mechanical wave can be a | null | null | Multiple Choice | a. gas., b. solid., c. liquid., d. any of the above | d |
13,085 | NDQ_013956 | characteristics of waves | The crests of a transverse wave are like the | null | null | Multiple Choice | a. crests of a primary wave., b. troughs of a longitudinal wave., c. rarefactions of a secondary wave., d. compressions of a longitudinal wave. | d |
13,086 | NDQ_013957 | characteristics of waves | Examples of mechanical waves include all of the following except | null | null | Multiple Choice | a. ocean waves., b. sound waves., c. waves in a rope., d. electromagnetic waves. | d |
13,087 | NDQ_013958 | characteristics of waves | Waves that an earthquake sends through rocks underground include | null | null | Multiple Choice | a. tsunami waves., b. transverse waves., c. longitudinal waves., d. two of the above | d |
13,088 | NDQ_013959 | characteristics of waves | Which of the following statements about ocean waves is true? | null | null | Multiple Choice | a. They travel on the surface of the water., b. They travel deep underwater., c. They are secondary waves., d. They are primary waves. | a |
13,089 | NDQ_013960 | characteristics of waves | You generate a longitudinal wave when you | null | null | Multiple Choice | a. shake a spring up and down., b. shake a rope up and down., c. push and pull a spring., d. two of the above | c |
13,090 | NDQ_013961 | measuring waves | The less compressed particles of matter become in a longitudinal wave, the greater the waves amplitude. | null | null | Multiple Choice | a. true, b. false | b |
13,091 | NDQ_013962 | measuring waves | In a longitudinal wave, amplitude is a measure of | null | null | Multiple Choice | a. how many waves pass a fixed point each second., b. how close together particles of the medium become., c. how quickly the wave travels a given distance., d. how far apart adjacent compressions are. | b |
13,092 | NDQ_013963 | measuring waves | The distance between two adjacent compressions of a longitudinal wave is its wavelength. | null | null | Multiple Choice | a. true, b. false | a |
13,093 | NDQ_013964 | measuring waves | If two waves have the same amplitude, the wave with more energy is the wave with the | null | null | Multiple Choice | a. shorter wavelength., b. lower frequency., c. denser medium., d. slower speed. | a |
13,094 | NDQ_013965 | measuring waves | The frequency of a wave is the same as the frequency of the vibrations that caused the wave. | null | null | Multiple Choice | a. true, b. false | a |
13,095 | NDQ_013966 | measuring waves | If two waves have the same speed, the wave with a higher frequency must have a | null | null | Multiple Choice | a. shorter wavelength., b. longer wavelength., c. greater amplitude., d. two of the above | a |
13,096 | NDQ_013967 | measuring waves | Wave speed is a product of | null | null | Multiple Choice | a. wavelength and frequency., b. wavelength and amplitude., c. frequency and amplitude., d. none of the above | a |
13,097 | NDQ_013968 | measuring waves | Wave speed measures the same thing as wave frequency. | null | null | Multiple Choice | a. true, b. false | b |
13,098 | NDQ_013969 | measuring waves | Wavelength equals wave speed multiplied by wave frequency. | null | null | Multiple Choice | a. true, b. false | b |
13,099 | NDQ_013970 | measuring waves | What is the frequency of a wave that has a wavelength of 2 m and a speed of 2 m/s? | null | null | Multiple Choice | a. 4 Hz, b. 2 Hz, c. 1 Hz, d. 12 Hz | c |
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