Unit 2 Test - Earth's Resources

Which change of state takes place when magma turns into igneous rock?

• A. gas to solid

• B. solid to gas

• C. solid to liquid

• D. liquid to solid

Which type of rock is forming deep below the surface?

• A. intrusive igneous rock

• B. extrusive igneous rock

• C. foliated metamorphic rock

• D. chemical sedimentary rock

A scientist is conducting an experiment to investigate samples of metamorphic rock. Which observation would help the scientist conclude that a sample is foliated metamorphic rock?

• A. The sample is able to float in water.

• B. The sample does not have a wavy appearance.

• C. The minerals in the sample are arranged randomly.

• D. The mineral grains in the sample are arranged in bands.

Granite has only recently been exposed at a location on Earth's surface. How will this most likely affect the soil that will eventually form at this location?

• A. The soil will have a thick layer of humus in the A horizon.

• B. The soil will contain many of the same minerals as the granite has.

• C. The soil will consist of thin horizons compared to other types of soils.

• D. The soil will be made of mostly rock material instead of organic matter.

Which of the following is the source of humus found in soil?

• A. bedrock

• B. B horizon

• C. parent rock

• D. plants and animals

Why is petroleum considered to be a nonrenewable resource?

• A. It constantly forms within Earth.

• B. It is difficult to obtain and transport.

• C. It releases harmful chemicals when burned.

• D. It requires a very long period of time to form.

How might the burning of coal lead to damaged plant life?

• A. Sulfur dioxide can combine with drops of water to form acid rain.

• B. Carbon dioxide is a radioactive material that is dangerous for many years.

• C. Sulfur dioxide gives off heat that raises the temperature of bodies of water.

• D. Carbon dioxide causes the remains of plants and animals to decompose at a faster rate.

What is one disadvantage of using renewable energy resources, such as biomass, wind, or hydropower?

• A. The science to develop these resources is too new.

• B. These resources are not always available in all areas.

• C. The use of these resources enhances the natural environment.

• D. The equipment needed for these resources is difficult to manufacture.

Trees can be classified as different kinds of resources. If these logs were used for making paper, what kind of resource would they be?

• A. material resource

• B. renewable resource

• C. endangered resource

• D. nonrenewable resource

Why is the conservation of natural resources important?

• A. because many resources are nonrenewable

• B. because natural resources are all renewable

• C. because many natural resources are inexhaustible

• D. because conservation is practiced by most people