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6,600 | NDQ_000249 | fossils | An animal is more likely to a fossil if it: | null | null | Multiple Choice | a. is buried deeply in the ground, b. is left on the surface of the ground, c. does not contain bones or other hard body parts, d. all of the above are about equally likely to result in fossilization | a |
6,601 | NDQ_000252 | fossils | Marine fossils on the top of Mt. Everest indicate | null | null | Multiple Choice | a. sea level was once higher than the top of Mt, b. the fossils are not actually marine fossils, but just look like them, c. the rock at the top of Mt, d. someone put them up there as a trick. | c |
6,602 | NDQ_000257 | fossils | Preserved traces can include burrows. | null | null | Multiple Choice | a. true, b. false | a |
6,603 | NDQ_000260 | fossils | Scientists have discovered fossil footprints. | null | null | Multiple Choice | a. true, b. false | a |
6,604 | NDQ_000262 | fossils | Complete preservation occurs only when remains are preserved in rock. | null | null | Multiple Choice | a. true, b. false | b |
6,605 | NDQ_000263 | fossils | In the past, fossils inspired legends of monsters. | null | null | Multiple Choice | a. true, b. false | a |
6,606 | NDQ_000264 | fossils | It is very likely that any given organism will become a fossil. | null | null | Multiple Choice | a. true, b. false | b |
6,607 | NDQ_000265 | fossils | Fossils in older rocks are more similar to animals that live today than fossils in younger rocks. | null | null | Multiple Choice | a. true, b. false | b |
6,608 | NDQ_000266 | fossils | Fossils of ocean animals have been found at the top of Mt. Everest. | null | null | Multiple Choice | a. true, b. false | a |
6,609 | NDQ_000267 | fossils | Fossils form when remains are replaced by minerals. | null | null | Multiple Choice | a. true, b. false | a |
6,610 | NDQ_000268 | fossils | Fossils show that Antarctica once had a much warmer climate. | null | null | Multiple Choice | a. true, b. false | a |
6,611 | NDQ_000269 | fossils | Index fossils are the first fossils ever discovered of an extinct species. | null | null | Multiple Choice | a. true, b. false | b |
6,612 | NDQ_000270 | fossils | Complete preservation is valuable because scientists can study the organisms DNA. | null | null | Multiple Choice | a. true, b. false | a |
6,613 | NDQ_000271 | fossils | There are no plants in Antarctica so there are no plant fossils there. | null | null | Multiple Choice | a. true, b. false | b |
6,614 | NDQ_000272 | fossils | Teeth are more likely than feathers to be preserved as fossils. | null | null | Multiple Choice | a. true, b. false | a |
6,615 | NDQ_000273 | fossils | People first started discovering fossils about 150 years ago. | null | null | Multiple Choice | a. true, b. false | b |
6,616 | NDQ_000274 | fossils | All fossils form when remains of dead organisms are covered with sediments. | null | null | Multiple Choice | a. true, b. false | b |
6,617 | NDQ_000275 | fossils | dark stain in rock left by the remains of an organism | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | g |
6,618 | NDQ_000276 | fossils | preserved tracks or other evidence of an organism that lived in the past | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | e |
6,619 | NDQ_000277 | fossils | type of fossil that can be used to determine the age of rock layers | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | c |
6,620 | NDQ_000278 | fossils | process by which remains or traces of living things become fossils | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | f |
6,621 | NDQ_000279 | fossils | type of fossil that forms in a mold | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | d |
6,622 | NDQ_000280 | fossils | any preserved remains or traces of an organism that lived in the past | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | a |
6,623 | NDQ_000281 | fossils | imprint of an organism left in rock | null | null | Multiple Choice | a. fossil, b. mold, c. index fossil, d. cast, e. trace fossil, f. fossilization, g. compression | b |
6,624 | NDQ_000282 | fossils | Which of the following parts of organisms are most likely to be fossilized? | null | null | Multiple Choice | a. skin, b. hair, c. shells, d. internal organs | c |
6,625 | NDQ_000283 | fossils | Preserved traces of organisms might include | null | null | Multiple Choice | a. casts., b. feces., c. molds., d. compressions. | b |
6,626 | NDQ_000284 | fossils | Preserved remains that have become fossils have turned to | null | null | Multiple Choice | a. tar., b. rock., c. amber., d. none of the above | b |
6,627 | NDQ_000285 | fossils | Which type of organisms remains are least likely to be preserved as fossils? | null | null | Multiple Choice | a. jellyfish, b. salmon, c. shark, d. tuna | a |
6,628 | NDQ_000286 | fossils | Fossils can show us | null | null | Multiple Choice | a. how extinct organisms looked., b. what past environments were like., c. what geological processes occurred in the past., d. all of the above | d |
6,629 | NDQ_000287 | fossils | To be used as index fossils, fossils must represent an organism that | null | null | Multiple Choice | a. lived in the water., b. lived over a wide area., c. lived for a long period of time., d. lived less than 5 million years ago. | b |
6,630 | NDQ_000288 | relative ages of rocks | Earths geologic processes have changed over time. | null | null | Multiple Choice | a. true, b. false | b |
6,631 | NDQ_000289 | relative ages of rocks | A rocks age compared to the ages of other rocks is called its | null | null | Multiple Choice | a. absolute age, b. confirmed age, c. nominal age, d. none of the above | d |
6,632 | NDQ_000290 | relative ages of rocks | Extinction occurs when a species completely dies out. | null | null | Multiple Choice | a. true, b. false | a |
6,633 | NDQ_000291 | relative ages of rocks | The Law of Superposition states that | null | null | Multiple Choice | a. younger rocks are found below older rocks, b. older rocks are found below younger rocks, c. a rock that cuts across other rocks must be younger than the rock it cuts across, d. none of the above | b |
6,634 | NDQ_000292 | relative ages of rocks | Layers of sedimentary rock are called strata. | null | null | Multiple Choice | a. true, b. false | a |
6,635 | NDQ_000293 | relative ages of rocks | The rock layers at the Grand Canyon | null | null | Multiple Choice | a. are the same on opposite sides of the river., b. were formed in different ways on each side of the river., c. are younger than the Colorado River in that region., d. none of these. | a |
6,636 | NDQ_000294 | relative ages of rocks | A good key bed must be | null | null | Multiple Choice | a. found over a large area, b. similar to the rock units it is found with, c. a volcanic ash, d. all of these | a |
6,637 | NDQ_000295 | relative ages of rocks | The relative age of a rock is its approximate age in years. | null | null | Multiple Choice | a. true, b. false | b |
6,638 | NDQ_000296 | relative ages of rocks | Rock layers on opposite sides of the Grand Canyon show lateral continuity. | null | null | Multiple Choice | a. true, b. false | a |
6,639 | NDQ_000297 | relative ages of rocks | A good index fossil | null | null | Multiple Choice | a. is found in a local area, b. is distinctive, c. existed for a long period of time, d. all of these | b |
6,640 | NDQ_000299 | relative ages of rocks | Key beds are rock layers that have unconformities. | null | null | Multiple Choice | a. true, b. false | b |
6,641 | NDQ_000300 | relative ages of rocks | More than one type of index fossil provides stronger evidence that rock layers are the same age. | null | null | Multiple Choice | a. true, b. false | a |
6,642 | NDQ_000302 | relative ages of rocks | The Cretaceous Period ended when the first dinosaurs appeared. | null | null | Multiple Choice | a. true, b. false | b |
6,643 | NDQ_000305 | relative ages of rocks | The earliest geologic time scale showed how many years ago each era began. | null | null | Multiple Choice | a. true, b. false | b |
6,644 | NDQ_000307 | relative ages of rocks | Fish were common organisms during the Paleozoic Era. | null | null | Multiple Choice | a. true, b. false | a |
6,645 | NDQ_000308 | relative ages of rocks | Fossil B is younger than Fossil A, but the rock layer containing Fossil B is beneath the rock layer | null | null | Multiple Choice | a. true, b. false | a |
6,646 | NDQ_000310 | relative ages of rocks | To help decipher the geologic history of a region, create a geologic time scale using the rock units you | null | null | Multiple Choice | a. true, b. false | b |
6,647 | NDQ_000313 | relative ages of rocks | James Hutton thought Earth was old because he saw how slowly geological processes work now. | null | null | Multiple Choice | a. true, b. false | a |
6,648 | NDQ_000315 | relative ages of rocks | Cross-cutting relationships help geologists to determine the older and younger of two rock units. | null | null | Multiple Choice | a. true, b. false | a |
6,649 | NDQ_000316 | relative ages of rocks | In the process of relative dating, scientists determine the exact age of a fossil or rock. | null | null | Multiple Choice | a. true, b. false | b |
6,650 | NDQ_000320 | relative ages of rocks | whether a rock is older or younger than other rocks | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | c |
6,651 | NDQ_000321 | relative ages of rocks | law stating that rock layers are deposited in horizontal layers | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | e |
6,652 | NDQ_000322 | relative ages of rocks | law stating that rock layers closer to the surface are younger than deeper rock layers | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | b |
6,653 | NDQ_000323 | relative ages of rocks | law stating that rock layers are older than any rocks that cut across them | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | f |
6,654 | NDQ_000324 | relative ages of rocks | gap in a sequence of rock layers | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | g |
6,655 | NDQ_000325 | relative ages of rocks | law stating that matching nearby rock layers are the same age | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | d |
6,656 | NDQ_000326 | relative ages of rocks | study of rock layers | null | null | Multiple Choice | a. stratigraphy, b. superposition, c. relative age, d. lateral continuity, e. original horizontality, f. cross-cutting relationships, g. unconformity | a |
6,657 | NDQ_000327 | relative ages of rocks | If sedimentary rock layers are tilted, they must have | null | null | Multiple Choice | a. formed at an angle., b. moved after they formed., c. been cross-cut by igneous rock., d. formed from deposits on a mountainside. | b |
6,658 | NDQ_000328 | relative ages of rocks | A key bed of clay from around the time the dinosaurs went extinct led to the hypothesis that the extinction was caused by a | null | null | Multiple Choice | a. large flood., b. huge volcano., c. giant asteroid., d. none of the above | c |
6,659 | NDQ_000329 | relative ages of rocks | Evidence shows that Earth is about | null | null | Multiple Choice | a. 1.9 million years old., b. 2.8 million years old., c. 3.8 billion years old., d. 4.5 billion years old. | d |
6,660 | NDQ_000330 | relative ages of rocks | Eons of the geologic time scale are divided first into | null | null | Multiple Choice | a. years., b. periods., c. eras., d. epochs. | c |
6,661 | NDQ_000331 | relative ages of rocks | The Cenozoic Era is called the age of | null | null | Multiple Choice | a. dinosaurs., b. mammals., c. reptiles., d. life. | b |
6,662 | NDQ_000332 | relative ages of rocks | What does the term paleozoic mean? | null | null | Multiple Choice | a. fossil life, b. ancient rock, c. rock strata, d. old life | d |
6,663 | NDQ_000333 | relative ages of rocks | Many of the divisions of the geologic time scale mark major events in the history of | null | null | Multiple Choice | a. life., b. science., c. astronomy., d. Earth science. | a |
6,664 | NDQ_000335 | absolute ages of rocks | How much percent of the parent isotope remains after 2 half-lives? | null | null | Multiple Choice | a. 100%, b. 50%, c. 25%, d. 75% | c |
6,665 | NDQ_000337 | absolute ages of rocks | The half-life of a radioactive element is | null | null | Multiple Choice | a. half the estimated age of Earths crust, b. the time it takes for half a parent isotope to decay into the daughter isotope, c. half the weight of the original radioactive element, d. the time it takes for half of a daughter isotope to decay into a parent isotope | b |
6,666 | NDQ_000339 | absolute ages of rocks | Carbon dating is useful for | null | null | Multiple Choice | a. igneous rocks, b. sedimentary rocks, c. organic materials, d. none of the above | c |
6,667 | NDQ_000340 | absolute ages of rocks | Potassium-argon is better for dating igneous rocks than carbon-14 because | null | null | Multiple Choice | a. the argon-39 half life is short, b. the potassium-40 half-life is long, c. igneous rocks do not contain carbon, d. all of these | b |
6,668 | NDQ_000343 | absolute ages of rocks | For radiometric dating of Earths oldest rocks, it is best to use | null | null | Multiple Choice | a. uranium-238 to lead-206, b. potassium-argon, c. radiocarbon, d. none of these | a |
6,669 | NDQ_000348 | absolute ages of rocks | The number of protons in atoms of the same element may vary. | null | null | Multiple Choice | a. true, b. false | b |
6,670 | NDQ_000351 | absolute ages of rocks | Almost all carbon atoms are atoms of carbon-14. | null | null | Multiple Choice | a. true, b. false | b |
6,671 | NDQ_000353 | absolute ages of rocks | When an atom of carbon-14 decays, it loses an electron. | null | null | Multiple Choice | a. true, b. false | b |
6,672 | NDQ_000354 | absolute ages of rocks | Using radioactivity scientists are able to measure the relative age of some rocks. | null | null | Multiple Choice | a. true, b. false | b |
6,673 | NDQ_000355 | absolute ages of rocks | Carbon-14 atoms decay to carbon-13 atoms. | null | null | Multiple Choice | a. true, b. false | b |
6,674 | NDQ_000356 | absolute ages of rocks | Radioactive isotopes gain or lose particles to become different elements. | null | null | Multiple Choice | a. true, b. false | a |
6,675 | NDQ_000357 | absolute ages of rocks | The half-life of a radioactive isotope is constant. | null | null | Multiple Choice | a. true, b. false | a |
6,676 | NDQ_000358 | absolute ages of rocks | A living thing takes in carbon-14 only while it is alive. | null | null | Multiple Choice | a. true, b. false | a |
6,677 | NDQ_000359 | absolute ages of rocks | No one knows Earths age because no isotopes are good for substances that old. | null | null | Multiple Choice | a. true, b. false | b |
6,678 | NDQ_000360 | absolute ages of rocks | Carbon-14 dating can be used to determine the ages of rocks. | null | null | Multiple Choice | a. true, b. false | b |
6,679 | NDQ_000361 | absolute ages of rocks | Carbon-14 loses an alpha particle, which is two protons and two electrons. | null | null | Multiple Choice | a. true, b. false | b |
6,680 | NDQ_000362 | absolute ages of rocks | Plants take in carbon-14 during photosynthesis. | null | null | Multiple Choice | a. true, b. false | a |
6,681 | NDQ_000363 | absolute ages of rocks | The half-life of carbon-14 is 5730 years. | null | null | Multiple Choice | a. true, b. false | a |
6,682 | NDQ_000364 | absolute ages of rocks | All fossils can be dated with carbon-14 dating. | null | null | Multiple Choice | a. true, b. false | b |
6,683 | NDQ_000365 | absolute ages of rocks | To date a rock that is as old as Earth, you could use potassium-40 dating. | null | null | Multiple Choice | a. true, b. false | b |
6,684 | NDQ_000366 | absolute ages of rocks | Absolute ages are based on evidence from | null | null | Multiple Choice | a. key beds., b. stratigraphy., c. index fossils., d. radiometric dating. | d |
6,685 | NDQ_000367 | absolute ages of rocks | Which of the following atomic particles may vary for atoms of a given element? | null | null | Multiple Choice | a. protons, b. neutrons, c. electrons, d. all of the above | b |
6,686 | NDQ_000368 | absolute ages of rocks | How many protons are found in each atom of carbon-14? | null | null | Multiple Choice | a. 14, b. 8, c. 7, d. 6 | d |
6,687 | NDQ_000369 | absolute ages of rocks | If a carbon atom has 7 neutrons, it is the isotope named | null | null | Multiple Choice | a. carbon-11., b. carbon-12., c. carbon-13., d. carbon-14. | c |
6,688 | NDQ_000370 | absolute ages of rocks | Plants use carbon dioxide for the process of | null | null | Multiple Choice | a. respiration., b. germination., c. reproduction., d. photosynthesis. | d |
6,689 | NDQ_000371 | absolute ages of rocks | New atoms of carbon-14 form in the atmosphere because of | null | null | Multiple Choice | a. pollution., b. cosmic rays., c. global warming., d. burning of fossil fuels. | b |
6,690 | NDQ_000372 | absolute ages of rocks | If you start with 1.00 g of carbon-14, the amount left after two half-lives will be | null | null | Multiple Choice | a. 0 g., b. 0.25 g., c. 0.50 g., d. 0.75 g. | b |
6,691 | NDQ_000373 | absolute ages of rocks | using radioactive decay to estimate the age of a fossil or rock | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | g |
6,692 | NDQ_000374 | absolute ages of rocks | radioactive element with a relatively long half-life | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | d |
6,693 | NDQ_000375 | absolute ages of rocks | rate of decay of a radioactive element | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | f |
6,694 | NDQ_000376 | absolute ages of rocks | atom of an element with a different number of neutrons | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | a |
6,695 | NDQ_000377 | absolute ages of rocks | stable isotope of carbon | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | c |
6,696 | NDQ_000378 | absolute ages of rocks | radioactive element with a relatively short half-life | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | b |
6,697 | NDQ_000379 | absolute ages of rocks | breakdown of unstable elements into stable elements | null | null | Multiple Choice | a. isotope, b. carbon-14, c. carbon-12, d. uranium-238, e. radioactive decay, f. half-life, g. radiometric dating | e |
6,698 | NDQ_000380 | the origin of earth | ring of icy debris just beyond Neptune | null | null | Multiple Choice | a. atmosphere, b. nuclear fusion, c. comet, d. solar nebula, e. water vapor, f. Kuiper belt, g. oxygen | f |
6,699 | NDQ_000381 | the origin of earth | Before the Sun formed | null | null | Multiple Choice | a. temperature and pressure was extreme, b. radioactivity began, c. the planets formed, d. all of the above | a |
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