Soil

Which of the following is NOT an organic material

• Worms
• Decayed animals
• Rocks
• Decayed plants

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

• clay
• sand
• silt
• mud

When plants, animals, and other organisms die, they break down and become part of the soil. What is this part of the soil called?

• sand
• silt
• clay
• humus

Which type of soil can hold the greatest amount of water?

• sand
• silt
• clay
• loam

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

• Sandy soil does not hold enough water.
• Air cannot pass through sandy soil.
• Roots cannot easily push through sandy soil.
• Sandy soil has too many nutrients.

Tags

NGSS.MS-LS1-5

Organic matter is made of materials that….

• Were once living
• Were once nonliving
• Were once living and nonliving

A student wanted to investigate which type of soil retains the most water.  She put 200 mL of water in each type of soil and measured how much water came through the soil after 1 hour.  The results are shown above.  
1.  According to the diagram above, which soil retains the least amount of water?

• Red Soil
• Clay Soil
• Sandy Soil
• Black Soil

In which soil type would water drain easily?

• Sand
• Silt
• Clay

In which soil type would water have difficulty draining?

• Sand
• Silt
• Clay