Powering the Planet

Read the dictionary entry for the word power.

Which definition best matches how the word power is used in paragraph 10?

• Definition 1

• Definition 2

• Definition 3

• Definition 4

In which section might the reader expect to find information about energy provided by the Sun?

• Energy Produced by Wind Power

• Energy Produced by Solar Power

• Energy Produced by Geothermal Power

• Energy Produced by Hydroelectric Power

Which sentence from the text supports the importance of exploring the use of renewable resources?

• Renewable energy is also generated from natural resources.

• 
  They can be used multiple times and are not limited in supply.

• The Sun and wind are examples of these resources.

• Nonrenewable energy is produced from natural resources such as oil, natural gas, and coal.

The photographs throughout the text are included most likely to help the reader —

• identify ways to implement renewable resources into their communities

• recognize how energy is produced by renewable resources

• visualize how renewable and nonrenewable resources are different

• categorize resources as renewable or nonrenewable

Which sentence from the text is supported by the information in the "US Energy Consumption by Energy Source, 2017" chart?

• These nonrenewable energy sources are fossil fuels that form at slow rates and are depleted over time.

• 
  But Americans use renewable resources much less than nonrenewable resources.

• Renewable energy is also generated from natural resources.

• The main sources of energy used by Americans have been provided by fossil fuels for many years.

The author organizes information in this text by —

• categorizing and explaining energy sources

• 
  showing the causes of energy use and warning about the effects

• 
  describing energy sources according to their order of importance

• comparing energy sources and energy use across time

Which of the following best summarizes the "Energy Produced by Geothermal Power" section?

• Geothermal energy is produced mostly by volcanoes. Geysers also produce hot water and steam inside the Earth's core. Drilling underground allows that hot water and steam to be captured.

• The Earth's core is hotter than the Sun's surface. The heat from rocks produces steam.

• Electricity can be produced by drilling underground. The process is completed by geothermal power plants.

• Geothermal power comes from the heat in the Earth's core. Electricity is harnessed by drilling underground into the steam or hot water reservoirs produced by volcanoes and geysers.