Page 135 - Science Course 3 (Book 2)

Mo11-L4: Lesson Review Quiz (Multiple Choice)

Direction: On the line before each question or statement, write the letter of the correct answer

1. ___________ were used to develop the geologic time scale.
A. Fossils
B. Meteorites
C. Sedimentary rocks
2. A mass extinction is the
A. dying out of existing species.
B. evolution of many new species.
C. evolution of complex life-forms.
3. A _____________ can cause extinctions by causing the blocking of sunlight.
A. rise in sea level
B. volcanic eruption
C. shift in Earth’s plates
4. Geographic isolation of foxes might be caused by
A. a rise in sea level.
B. a meteorite impact.
C. the formation of deep canyon.
5. The Cambrian explosion was
A. a major volcanic eruption.
B. the sudden evolution of complex life-forms.
C. the mass extinction that followed the Precambrian.

Mo11-L4: Lesson Review Quiz (Matching)

Direction: On the line before each def nition, write the letter of the term that matches it correctly.
Each term is used only once

6. shortest units of geologic time A. eons

7. largest subdivisions of eons B. epochs
8. largest subdivisions of eras C. eras

9. longest units of geologic time D. periods

10. Compare and contrast geologic periods, eons, epochs, and eras.

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