Which word means to use wisely, and not be wasteful.

• decompose

• composition

• conserve

• reserve

Humus is.....

• the dead parts of plants and animals in soil

• A food we eat with pretzels.

• The tiny particles inside of soil

• The roots that come off of a plant and live in soil.

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

• clay
• sand
• silt
• mud

Tags

NGSS.MS-ESS2-1

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 of the following is the largest particle in soil?

• sand
• silt
• humus
• clay

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

• sand
• silt
• clay
• loam

If soil particles are large, then 

• more water is retained
• less water is retained

What are the two types of resources?

• Renewable and Non-renewable

• Wearable and Non-wearable

• Usable and Non-usable

• Useful and Non-useful

Which group includes ALL renewable resources?

• Coal, trees, water, oil
• Water, wind, sun, plants
• Minerals, sun, natural gas, water

Coal is a __________ energy resource.

• Renewable
• Nonrenewable

Tags

NGSS.MS-ESS3-1