Grade 7 -Unit 10 - Word Forms

Solar energy is renewable, ____________ and clean. (plenty)

Waves will be used as an ____________ friendly sources of energy. (environment)

Scientists are looking for clean and ____________ sources of energy. (effect)

More renewable energy sources will be used to solve the problem of ____________. (pollute)

____________, fossil fuels are harmful to the environment. (fortunate)

The ____________ of wind turbines will be completed by next Friday. (install)

________ particles reach the Earth in just 8 minutes. (Energy)

Solar, win, and hydro are renewable and _______________________. (exhaust)

Coal is also _________________, there is a large reserve globally. (plenty)

The movement of waves and tides can be able to generate_______________. (electric)