Quiz 14 Study Guide

Question 1

Water is pulled down because of the force of _______________.

Answer 1

gravity

Question 2

Humus is the soft, organic substance in the soil made from the decayed remains of ________________ ______________.

Answer 2

living things

Question 3

Bedrock is part of the earth’s ______________.

Answer 3

crust

Question 4

a rare and valuable mineral

Answer 4

gem

Question 5

a substance found naturally in the earth that has a crystal-like structure

Answer 5

mineral

Question 6

Soil ____________ is the loss of soil by water or wind.

Answer 6

erosion

Question 7

Rivers and glaciers can deposit _______________, making the soil more fertile

Answer 7

sediment

Question 8

Crystals are ____________ arranged in precise, repeating patterns.

Answer 8

always

Question 9

Loam is a mixture of ____________, silt, and clay.

Answer 9

sand

Question 10

Weathering is the breaking down of __________ by the forces of nature.

Answer 10

rock

Question 11

Be able to identify each horizon layer.

Answer 11

see Science book, p. 339