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Flashcards in Luci's science rocks Deck (16):
1

organic matter

any substance that is made of living or the remains of living things

2

humus

the organic part of soil

3

sediments

solid particles carried from one place and dropped onto another place

4

weathering

the process of breaking down rock into small pieces

5

mechanical weathering

breaking down of rock, by wind, water, and ice, that does not change the chemical content of rocks

6

chemical weathering

a change in minerals as they react with substances in the environment, such as water or oxygen, to change the chemical content of rocks

7

erosion

the process by which soil and sediments are transferred from one location to another, usually by wind, water, ice and gravity

8

deposition

the process of adding new sediments to a new place after being carried from another

9

Why soil is important to living things?

Soil is important to living things because it is the home of certain living things. It also provides nutrients to plants that support oxygen in the atmosphere.

10

What are the steps of soil formation?

Soil is important to living things because it is the home of certain living things. It also provides nutrients to plants that support oxygen in the atmosphere.

11

What different types of soil are there, and what are the properties of each?

answer needed

12

What factors affect soil formation?

answer needed

13

What events take place that can change the Earth's surface?

answer needed

14

What is the difference between weathering and erosion? (Use examples in your answers.)

answer needed

15

What is the difference between the different types of weathering? (Use examples in your answer.)

answer needed

16

What are the steps of the rock cycle?

answer needed