Alternative Energy Day 1 Slide 2

Front

Photovoltaic Cells

Back

Devices that change sunlight into electricity.

Front

Biomass

Back

Organic material from plants and animals used as fuel.

Front

Natural Gas

Back

A fossil fuel used for heating and electricity, found underground.

Front

Industrial Revolution

Back

A period in the 18th and 19th centuries when machines and factories changed how goods were made.

Front

Fossil Fuel

Back

Energy sources like coal, oil, and natural gas formed from ancient plants and animals.

Front

Coal

Back

A black or brown rock used as a fossil fuel, made from ancient plant material.

Front

Fuel Cells

Back

Devices that generate electricity through a chemical reaction, often using hydrogen.

Front

Chemical Process

Back

A series of actions or steps that change substances into different substances.

Front

Biological Energy

Back

Energy produced by living organisms, such as plants and animals.

Front

Geothermal Energy

Back

Heat energy that comes from inside the Earth.