Earth Science: Science Terms Explained

Plain-language definitions of every earth science term your child meets in school, each with kid-friendly explanations, worked examples, and common mistakes to watch for.

Earthquake

An earthquake is a sudden shaking of the ground that happens when rocks inside Earth move and break, releasing stored energy as seismic waves that travel through the Earth.

Erosion

Erosion is the process where wind, water, ice, or gravity pick up and move rock, soil, or sand from one place to another, slowly changing the shape of Earth's surface over time.

Every term here links to practice activities. Create an account to get started with your child.

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