Weds. 3/26 Ch. 10 Notes Assignment
- 1. Canyons are sometimes formed by erosion as...
A) moving land.
B) moving clouds as the sun goes across the sky.
C) moving water digs into the Earth.
- 2. Plant roots that grow into the cracks of cement or rocks make the cracks larger. This is an example of________ ___________.
A) chemical weathering
B) mechanical weathering
- 3. Iron oxide (the red coloring) that forms on the outside of rocks is an example of _________ _______.
A) mechanical weathering
B) chemical weathering
- 4. Why do farmers plant a cover crop?
A) Farmers plant a cover crop because it looks pretty.
B) Farmers plant a cover crop to reduce the amount of soil erosion.
- 5. The amount of salt in the ocean has __________ over the years.
A) decreased
B) stayed the same
C) increased
- 6. True or false. Erosion involves the movement of materials from one place to another.
A) True
B) False
- 7. True or false. Mineral deposits in lakes and oceans are formed when dissolved minerals settle out of the water.
A) True
B) False
- 8. What causes tsunamis to form?
A) Underwater earthquake
B) Volcanoes erupting above land
- 9. What causes sand dunes to form?
A) Humans
B) Water
C) Wind
- 10. What is Earth's surface shaped by?
A) Water running downhill
B) Water staying still and never moving
C) Water moving up hills
- 11. What does the color of sand on a beach depend on?
A) The color of the rocks on the beach.
B) The color of the water.
C) The color of the sky.
- 12. The top of a wave is known as the...?
A) Amplitude
B) Crest
C) Trough
- 13. The bottom of a wave is known as the...?
A) Crest
B) Amplitude
C) Trough
- 14. When you measure a wave from one crest to another crest, the measurement is known as...?
A) Crest
B) Trough
C) Wavelength
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