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- 1. Multiple Choice
Which component of soil is described?
This is large solid pieces made of minerals
silt
humus
sand
rock
- 2. Multiple Choice
Which component of soil is described?
This is tiny grains of worn down rock. It doesn't hold water or have many nutrients.
silt
humus
sand
rock
- 3. Multiple Choice
Which component of soil is described?
This is very small broken pieces of rock. It is larger than clay, but smaller than sand. It is powdery when dry.
silt
humus
loam
renewable
- 4. Multiple Choice
Which component of soil is described?
This holds water well. It is sticky and can be shaped when it is wet. It is hard when dry.
sand
rock
salt
clay
- 5. Multiple Choice
Which component of soil is described?
This is made of leaves, twigs, small animals, and other decayed substances. This contains many nutrients.
rock
humus
Cheerios
sand
- 6. Multiple Choice
True or False:
Coal, oil, and natural gas are classified as non-renewable resources because they take millions of years to form.
True
False
- 7. Multiple Choice
Which of the following would likely retain the most moisture (water)?
Grainy, loosely compacted, tan and brown soil
large and small particles, loosely compacted, dark brown soil
very compact, clay like, red soil
large pieces of plant material, soft particles, black and dark brown soil
- 8. Multiple Choice
Why are organisms, such as earthworms, small plant roots, beetles, and spiders important to a garden?
They recycle energy and nutrients in the soil.
They destroy vegetables in the garden.
They warm up the soil.
- 9. Multiple Choice
True or False:
Trees are considered a renewable resource because when a tree is cut down, a new tree can replace it.
True
False
- 10. Multiple Choice
Mark all of the renewable resources:
air
trees
oil
animals
water
- 11. Multiple Choice
Mark all of the non-renewable resources
coal
natural gas
plants
ore
- 12. Multiple Choice
What word can be defined as: using resources as little as possible and not wasting them?
nonrenewable resources
conservation
pollution
fossil fuels
- 13. Multiple Choice
If a student poured 50 ml of water through soil, and only 10 ml flowed through the soil and was recollected, how much water was retained in the soil?
10 ml
60 ml
40 ml
- 14. Multiple Choice
What is one way that conserving electricity saves natural resources?
Most electricity is made from power plants that burn coal. So, when we conserve electricity, we are conserving non-renewable resources.
Most electricity comes from tiny ants on tiny treadmills. By not killing the ants, we are conserving non-renewable resources.
Most electricity is made wind generated power plants. When we conserve electricity, we make is so the wind does not have to blow harder.
- 15. Multiple Choice
"Using less water by taking a shower instead of a bath" is an example of:
Reduce
Reuse
Recycle
- 16. Multiple Choice
"Using a glass jar again for a new purpose" is an example of:
Reduce
Reuse
Recycle
- 17. Multiple Choice
"Allowing glass, paper, or plastic to be made into something else" is an example of:
Reduce
Reuse
Recycle
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