soil quiz

Soil is made up of four main ingredients. Choose the correct list of ingredients.

• Tiny pieces of rock, humus, air and sand
  
• Humus, or dead plant material, clay, water, and salts
  
• Tiny pieces of rock, air, water,and humus or dead plant material
• Air, water, tiny pieces of rock, and manure
  

Choose three organisms that live in soil.

• lung, heart cancer
• dog
• cats
• Worms,moles,bacteria

This type of soil dries out quickly after a rainstorm.

• clay
• loam
• sand

This type of soil can become as hard as stone when it dries out.

• clay
• loam
• sand

This type of soil is the best kind for growing most things.

• clay
• loam
• sand 

This soil ingredient is made up of decayed plants and animals

• Air
• Humus
• Minerals
• water

What is soil erosion?

• The way soil is formed
• A process that moves soil by wind and water away from where it is needed
  
• Another name for the greenhouse effect
  
• Another name for soil pollution
  

Loam is used to help grow.

• Animals
• kids
• fruits and vegetables
• toys

Humus is found in _____________?

• top soil
• oceans
• houses
• rocks

What soil is coarse and drains quickly?

• sand
• clay
• fruit 
• loam