Soil Review

What is soil made of? 

• Inorganic and Organic matter
• Organic Matter
• Inorganic Matter
• Bugs

Why is soil important

• It looks pretty
• It allows plants to grow
• It makes buildings sturdy
• It's not

Which is NOT an example of organic matter

• Worms and bugs
• dead leaves and animals
• water and air
• Flowers and Seeds

Which is NOT an example of inorganic matter

• rocks and minerals
• air and water
• worms and bugs
• dust and dirt

What is the top layer of really rich soil called?

• Topsoil
• Subsoil
• Bedrock
• Humus

What is the bottom layer of soil that is mostly made of rock called

• Topsoil
• Subsoil
• Bedrock
• Humus

Which is NOT a type of soil

• Clay
• Bedrock
• Silt
• Sand