Term
| Science is the rigorous study of the natural world as practiced by scientists |
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Definition
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Term
| observation, description, and prediction |
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Definition
| the scientific method involves what basic facets? |
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Term
| time-order relation: hypothesized causes must precede observed effects in time |
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Definition
| What do we need to establish for cause and effect relation? |
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Term
| physical geology and historical geology |
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Definition
| What are the two major branches of geology? |
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Term
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Definition
| This branch of geology deals with Earth materials and processes |
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Term
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Definition
| This branch of geology deals with origin and changes of Earth and life through time and space |
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Term
| Because the earth has changed through time, and because understanding past geologic events will help us predict future geologic events |
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Definition
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Term
| deep time, plate tectonics and evolution of life |
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Definition
| What are the three major themes in Earth History? |
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Term
| The Earth formed about 4.6 billion years ago |
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Definition
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Term
| about 300,000 and 150,000 years ago |
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Definition
| When did homo sapiens appear on the Earth? |
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Term
| Recognition of immensity of geologic time |
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Definition
| What is geology's most important contribution to human knowledge? |
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Term
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Definition
| What is the name of the science that deals with determining the ages of rocks? |
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Term
| absolute age and relative age |
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Definition
| What are the two ways that geologists date rocks? |
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Term
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Definition
| the actual age. Quantifying the age of the rock or mineral in years. |
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Definition
| determining which rocks are older and which are younger |
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Term
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Definition
| the theory of ___ has revolutionized the understanding of geology. |
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Definition
| ___ explains many large scale patterns in the Earth's geological record. |
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Term
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Definition
| ___ is a "great unifying theory" in geology |
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Term
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Definition
| The earth's ___ is divided into plates |
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Term
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Definition
| The earth's lithosphere is divided into ___. |
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Term
| 7 large plates and 20 smaller ones |
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Definition
| How many plates is the lithosphere divided into? |
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Term
| Divergent, convergent, and transform |
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Definition
| What are the three types of plate boundaries? |
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Term
| divergent plate boundaries |
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Definition
| Where plates move apart from one another |
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Term
| convergent plate boundary |
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Definition
| where plates move toward one another |
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Term
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Definition
| where two plates slide past one another |
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Term
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Definition
| In biology, __ is the "great unifying theory" for understanding the history of life |
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Term
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Definition
| because of ___, plants and animals living today are different from their ancestors. |
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Term
| response to changes in the environment and competition for food. |
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Definition
| The differences in plants and animals from their ancestors appears to be a ___. |
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Term
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Definition
| ___ shows a "gradational" change in plants and animals from their ancestors over time |
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Term
| Charles Darwin and ALfred Wallace |
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Definition
| ___ and ___ assembled a large body of observational evidence in support of evolution. |
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Term
| Charles Darwin and Alfred Wallace |
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Definition
| ___ and ___ proposed a mechanism for evolution which ___ called natural selection. |
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Term
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Definition
| Charles Darwin and Alfred Wallace proposed a mechanism for evolution which Darwin called ___. |
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