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What is a renewable resource?

• Limestone

• Oil

• Phosphate

• Wind

Which renewable resources would be more beneficial to people living in Florida than it would be for people living in the northeastern or northwestern part of the United States?

• Coal

• Natural gas

• Solar

• Wind

When people build dams on rivers, a large body of water collects behind the dam. The water can be released and directed over a turbine, creating electrical energy. The power of this flowing water is called hydropower. Why is hydropower a renewable resource?

• because hydropower uses water, which is a natural resource

• because hydroelectricity generates electricity, which can be stored

• because hydropower uses water, which cannot be used up

• because hydropower generates electricity, which can be used to help the environment

The United States uses various energy resources, including oil, coal, and natural gas. Which of these is the best possible solution to extend the availability of these energy resources in the future?

• Taking more resources where they can be found.

• Developing larger commuter vehicles for transportation.

• Developing vehicles that use renewable sources of energy.

• Taking energy resources away from homes and office buildings.

Which of these resources provides the majority of freshwater for drinking and bathing in Florida?

• Lakes

• Groundwater

• Marshes

• Oceans

As a peninsula, the state of Florida has ready access to ocean water. How can ocean water be used directly?

• for drinking

• for irrigating crops

• for generating electricity

• For replenishing rivers and streams

Phosphate minerals are mined in Florida. Which of these identifies the main use of phosphate?

• for animal feed

• to fertilize plants

• to make toothpaste

• for making soft drinks

Silicon is one of the most common elements on Earth. Silicon is widely found within sand, dust, and much of Earth's crust. Which of the following does NOT contain silicon?

• Clay

• Glass

• Cement

• Oil