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Science Test
12-19
| Question | Answer |
|---|---|
| What is the highest point of a wave called? | Crest |
| ______________ is made from decaying plants and animals and helps to create soil. | hummus |
| UNSORTED or mixed sediment is usually caused by _______________ | glaciers |
| If there is SORTED layers (layers of cobbles sand and silt) it is usually evidence of erosion caused by _______________ | stream or rushing water |
| physical and chemical ____________ cause the breakdown of the earth's crust | weathering |
| Which will weather faster, a large rock, or the same rock broken into small pieces? WHY? | small pieces/more surface area |
| why might the sediment onthe surface of the earth be different from the bedrock underneath? | sediments can be transported from place to place on the surface |
| does erosion occur on the outside or inside bend of a stream? Where is water moving the fastest? | Outside |
| If sediment particles are SHARP EDGED they are usually transported by ________ | Gravity |
| Which agent of erosion causes a U-SHAPED valley? | Glaciers |
| After a pebble is carried a long way by a stream, what will it look like? | rounded and smaller |
| Put the following in the correct order of HORIZONTAL SORTING sand, silt, cobbles, clay, pebbles | cobbles, pebbles, sand, silt, clay |
| What is ICE WEDGING? What climate does it take place? | When water gets into cracks in rocks and freezes. It expands and causes the cracks to grow, then melts and freezes again. It occurs in a cold, moist climate |
| What are the curves in a river called? | Meanders |
Created by:
andersonkristina
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