Unit 7 - Natural Resources Review Quiz

Which component of soil is described?

This is large solid pieces made of minerals

• silt

• humus

• sand

• rock

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

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

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

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

True or False:

Coal, oil, and natural gas are classified as non-renewable resources because they take millions of years to form.

• True

• False

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

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.

True or False:

Trees are considered a renewable resource because when a tree is cut down, a new tree can replace it.

• True

• False

Mark all of the renewable resources:

• air

• trees

• oil

• animals

• water