This printable crossword puzzle has 16 clues. Answers range from 7 to 15 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
If water is retained in a high dam, its gravitational _______________ is increased.
Only a few places on earth have large enough tidal differences for _____________ to be effective.
Dams built to generate energy from water are called ____________ dams.
A _______________ generates electricity when wind spins its propeller, which is connected to an electric generator.
A _________________ power plant, water pumped into a well in the ground makes contact with hot rock, and rises as steam and is used to rotate turbines that create electricity.
An alternative fuel that only produces water vapor when it burns and creates no pollution is _____________.
The __________________ energy from the Sun can be used to heat homes and provide hot water.
Hydroelectric power plants are an efficient way to produce electricity with almost no ____________.
_____________ uses energy from controlled nuclear reactions to generate electricity
resources that are replaced nearly as quickly as they are used
thick, greenish-brown, high flammable liquid that contains hydrocarbons
any radioactive by-product that results when radioactive material is used
Electricity produced from the energy of moving water
Resources that cannot be replaced by natural processes as quickly as they are used.
formed from decaying remains of ancient plants and animals
Energy from the Sun that can be used to heat homes and provide hot water.