Soil Properties - Questions

Competency Goal 2: The learner will conduct investigations to build understanding of soil properties.

Questions:

1. Soil provides what important ingedient for plant growth? (2.03)

A. clay	C. humus
B. nutrients	D. topsoil

2. ________________________ is made of decayed twigs, leaves, or animals. (2.04)

A. silt	C. clay
B. topsoil	D. humus

3. The top layer of soil is called ___________________________. (2.04)

A. humus	C. clay
B. silt	D. topsoil

4. Recycling discarded plant and animal material is called _____________________. (2.05)

A. germination	C. composting
B. pollination	D. recycling

5. Which of the following will absorb water quickest?

A. clay	C. sand
B. asphalt	D. rocks

6. These items may be recycled in your compost pile. (2.05)

A. aluminum & #2 plastic	C. sandwich bags & pudding cups
B. newspaper & fruit	D. old video games & toys

7. Grains of tiny broken up rock is called ____________________. (2.04)

A. gravel	C. sand
B. clay	D. topsoil

8. All food crops are successfully grown in the same type of soil. (2.03)

A. true

B. false

9. Soils can be described by observing ______________________. (2.03)

A. color	C. capacity to hold water
B. texture	D. all of the above

10. Compost piles often steam. This is because of ______________________. (2.06)

A. condensation	C. the earth's crust is thin
B. decaying materials create heat	D. global warming