types of soil

Are there minerals in soil?

• Yes
• No

Soil is made of

• weathered rocks and minerals
• dead plants and animals
• air and water
• all of the above

Which of the following is NOT one of the three types of soil?

• clay
• sand
• loam
• mud

This type of soil is made of tiny pieces of rock. 

• sand
• clay
• humus
• loam

What type of sand is made of nearly equal parts of sand, clay and silt?

• Sandy soil
• Clay soil
• Loamy soil

_______ is the type of soil used most often with plants. It is a mixture of clay, sand, and silt.

• loam
• humus
• mud
• dirt

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.

If you have 50% clay, 10% silt, and 40% sand, what type of soil do you have?

• silty clay
• clay loam
• clay
• sand

How does soil form?

• Soil forms as rock is broken down by weathering and mixed with other materials on the surface.
• Soil forms when someone takes a shovel and breaks rocks, and then mixes it with dirt.
• Soil forms when an you throw rocks and dirt into a pond.
• Soil forms when you mix water and rocks together, then add air.

Many plants cannot grow in clay soil. Why is this true?

• Clay soil does not have many nutrients.
• Roots cannot easily push through clay soil.
• Water doesn't drain well through clay.
• All of these choices.