Soil

The top layer of soil is called ________.

• bedrock
• topsoil
• subsoil
• grass

What are soil layers called?

• Rock

• Horizons

• Layers

• Profile

In which horizon do most animals such as bugs live?

• Humus

• Topsoil

• Subsoil

• Parent Material

• Bedrock

Why is soil an important natural resource?

• soil is used to make buildings
• soil can grow crops
• soil comes from bedrock
• soil is full of mircobes

Which of the following is NOT a property of soil?

• Color

• Texture

• Where it's located

• Ability to retain water

Plants get the minerals they need to flourish from:

• Sun

• Rain

• Clean air and carbon dioxide

• Soil

a mixture of weathered rock, rock fragments, decayed organic matter, water, and air

• Soil

• Loam

• Organic

• Trees

Wind blowing dirt and sand through the air is an example of...

• weathering 
• erosion

The texture of soil depends mainly on

• the types of plants that grow in the soil.
• the size of the particles in the soil.
• the color of the soil.
• the number of worms in the soil.

Are there minerals in soil?

• Yes
• No