Soil (Quiz 4.3 - Sci 4)

The four types of soil are _____. 

• humus, gravel, pebbles, sand
• sand, silt, clay, loam
• sand, rock, pebbles, granite
• sand, clay, bedrock, topsoil

Which soil would retain the most water?

• loam

• sand

• silt

• clay

Which soil would hold the least amount of water?

• clay

• silt

• sand

Plants get the nutrients they need from the _____.

• sun

• rain

• air

• soil

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

This type of soil is sticky when wet and hard when dry. 

• clay
• silt
• sand
• gravel

This type of soil is best for plant growth. 

• rock
• sand
• loam
• clay

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

• True
• False

True or False: Soil is formed in a very short time.

• True

• False

Cactus, aloe vera, and oregano survive best in which soil type?

• sand

• silt

• clay