Understanding Pollution and Energy Sources

What is coal?

• a type of meat

• the ability to do work

• a dark rock that can be burned and used for energy

What is the definition of an engineer?

• a person who likes science

• a person who uses science to come up with solutions to problems

• a person who does construction

What is the definition of natural gas?

• a campfire

• a type of gas used to build houses

• a type of gas that can be used as a source of energy

What is the definition of pollution?

• something harmful in the environment

• something helpful for the environment

What is the definition of renewable resource?

• a source of energy that exists in a limitless amount

• something you don't need

What is the definition of a solar panel?

• a machine that gives you food

• a machine that can turn sunlight into electricity

What is the definition of water turbine?

• a machine that can turn the movement of of water into electricity

• a machine that can turn sunlight into electricity

What is the definition of a wind turbine?

• a machine that can turn the movement of air into electricity

• a machine that can turn the movement of water into electricity

• a machine that can turn the movement of sunlight into electricity