| 1. A measure of how much damage an earthquake causes is called __________. | |
| a) | epicenter | b) | intensity | c) | magnitude | d) | focus |
| 2. It would probably be unwise to build a nuclear power plant directly above a fault because ___________. | |
| a) | earthquakes occur at faults | b) | L-waves are radioactive | c) | tension might damage the plant's flexible moorings | d) | hazardous waste could cause an earthquake |
| 3. A seismograph's frame and drum are attached to _______. | |
| a) | the mantle | b) | the epicenter | c) | bedrock | d) | the Moho |
| 4. During an earthquake, a relatively safe place to be in is __________. | |
| a) | under a tree | b) | in a doorway | c) | near a window | d) | in bed |
| 5. _________ occurs where plates are pulled apart. | |
| a) | Subduction zones | b) | Trenches | c) | Convergent boundaries | d) | Divergent boundaries |
| 6. Using an unsecured gas heater in an earthquake-prone area might be unwise because ____________. | |
| a) | the gas is a hazardous waste | b) | the gas lines could break during a earthquake | c) | S-waves particularly affect such appliances | d) | heat is know to cause earthquakes |
| 7. The Richter scale describes an earthquake's _________. | |
| a) | intensity | b) | epicenter | c) | magnitude | d) | time |
| 8. In some earthquake-prone areas, buildings are attached to _________. | |
| a) | bedrock | b) | epicenters | c) | movable appliances | d) | flexible moorings |
| 9. ___________ proposed that organisms passed on acquired traits to their offspring. | |
| a) | Darwin | b) | Redi | c) | Lamarck | d) | Miller and Urey |
| 10. The instrument that measures waves from earthquakes is a ___________. | |
| a) | seismogram | b) | seismograph | c) | seismologist | d) | seismometer |
| 11. _________ is known as the formation of a new species. | |
| a) | Speciation | b) | Adaptation | c) | Spontaneous generation | d) | Dominant |
| 12. Early humans that lived from about 40000 to 30000 years ago are ______. | |
| a) | australopithecines | b) | Cro-Magnon | c) | habilines | d) | Homo sapiens |
| 13. The -_________ is the basic unit of all living things. | |
| a) | organ | b) | preservation | c) | cell | d) | gene |
| 14. Ancestors of modern humans whose skulls have a mixture of apelike and humanlike features are known as __________. | |
| a) | australopithecines | b) | Cro-Magnon | c) | habilines | d) | Homo sapiens |
| 15. __________ are modern humans. | |
| a) | Australopithecines | b) | Cro-Magnon | c) | Habilines | d) | Homo sapiens |
| 16. ___________ is a trait that increases the ability of an organism to survive in its enviroment. | |
| a) | Speciation | b) | Adaption | c) | Spontaneous generation | d) | Dominant |
| 17. Natural selections helps to explain __________. | |
| a) | spontaneous generation | b) | natural adaptions | c) | mutations | d) | speciation |
| 18. ___________ are ancestors of Homo sapiens. | |
| a) | Homo erectus | b) | Homo neanders | c) | Homo magnos | d) | Homo australos |
| 19. Mendel found that seeds from _________ pea plants produced 75 percent tall and 25 percent short offspring. | |
| a) | hybrid short | b) | hybrid tall | c) | pure short | d) | pure tall |
| 20. Gregor Mendel made the first scientific study of ________, the passing of traits from parents to offspring. | |
| a) | genetic engineering | b) | heredity | c) | reproduction | d) | mitosis |
| 21. Darwin's theory of evolution by the process of ________ states that organisms that are better adapted to their environments are more likely to survive. | |
| a) | natural selections | b) | genetic engineering | c) | speciation | d) | spontaneous generation |
| 22. _________ are rigid blocks of crust and upper mantle. | |
| a) | Rifts | b) | Subduction zones | c) | Mid-ocean ridges | d) | Plates |
| 23. _________ are blocks of Earth's crust and upper mantle. | |
| a) | Mid-ocean ridges | b) | Faults | c) | Plates | d) | Trenches |
| 24. Places where plates collide with one another are _________ boundaries. | |
| a) | transform | b) | convergent | c) | divergent | d) | rift |
| 25. A measure of the total amount of energy released by an earthquake is called its _______. | |
| a) | epicenter | b) | magnitude | c) | focus | d) | intensity |