Front

What are fossil fuels?

Back

Fossil fuels are natural resources formed from the remains of dead plants and animals over millions of years. They include coal, oil, and natural gas.

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Why are fossil fuels considered non-renewable?

Back

Fossil fuels are considered non-renewable because they take millions of years to form, and once used, they cannot be replaced within a human timescale.

Front

How are canyons formed?

Back

Canyons are formed by erosion from flowing water, which carves out the landscape over time.

Front

What happens to water when it evaporates?

Back

When water evaporates, it changes from a liquid to a gas.

Front

What is erosion?

Back

Erosion is the movement of sediment and soil from one place to another, often caused by water, wind, or ice.

Front

What is deposition?

Back

Deposition is the process where earth materials are deposited in a new location after being transported by erosion.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks into smaller pieces, while erosion is the movement of those pieces from one location to another.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

What is the water cycle?

Back

The water cycle is the continuous process by which water moves from the Earth's surface to the atmosphere and back, including evaporation, condensation, and precipitation.

Front

What is a renewable resource?

Back

A renewable resource is a natural resource that can be replenished naturally over time, such as solar energy, wind energy, and biomass.