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Lesson 4 Science
Lesson 4
Question | Answer |
---|---|
I am loose pieces of minerals, rock, and organic material carried and deposited by rivers. | Sediment |
I am a pricess that happens when gravity pulls materials slowly downhill | mass wasting |
I drop off particles carried by erosion from another location. | depostions |
I am the breaking down of rocks into smaller pieces by natural processes. | weathering |
I form along the sides of and in front of glaciers and am left behind when they melt | moraine |
I pick up and remove rock pieces and other particles. | Erosion |
Glaciers carry me, and I fall to the ground in a jumble when they melt. | till |
I am a material made of decayes plant and animal remains. | humus |
I am made up fweathered rock, air, water, living things, and humus. | soil |
A force that breaks down rocks into smaller pieces by natural processes is called | weathering |
Freezing water, moving water, plants, and animals cause the breaking down of rock called | mechanical weathering |
Oxygen and acids cause the breaking down of rock by changes in its chemical composition called | chemical weathering |
When a glarcier melts, the rocks it carried fall to the ground in a jumble called | till |