Unit 2 Test Earth

Front

What is Wind Energy?

Back

Wind Energy is a renewable energy source that uses large fans, called wind turbines, to capture the wind's kinetic energy and convert it into electricity.

Front

What is Geothermal Energy?

Back

Geothermal Energy is the heat energy that comes from the Earth's interior, which can be used for heating and electricity generation.

Front

Where is most of Earth's freshwater found?

Back

Most of Earth's freshwater is located in glaciers and ice caps.

Front

Why is most of Earth's water unavailable for human use?

Back

Most of Earth's water is saltwater or is frozen in glaciers and ice caps, making it unavailable for human consumption.

Front

What is the importance of groundwater?

Back

Groundwater is crucial as it supports agriculture and provides drinking water for many communities.

Front

What is Solar Energy?

Back

Solar Energy is energy harnessed from the sun's rays, which can be converted into electricity or heat.

Front

What is Biomass Energy?

Back

Biomass Energy is energy produced from organic materials, such as plants and animal waste, which can be used for fuel.

Front

What is Tidal Energy?

Back

Tidal Energy is a form of renewable energy that is generated from the movement of tides in oceans and seas.

Front

What percentage of Earth's water is freshwater?

Back

Only about 2.5% of Earth's water is freshwater, and most of it is trapped in glaciers and ice caps.

Front

What is the water cycle?

Back

The water cycle is the continuous process by which water evaporates, condenses, and precipitates back to Earth.