3rd & 4th Grade Earth Vocab

Front

Reflect:

Back

Bounce light, sound, or heat off a surface.

Front

Gravity

Back

The force attracting between two objects, like Earth and objects on it.

Front

Physical Property

Back

A measurable property like color, hardness, or boiling point.

Front

Sedimentary Rock

Back

A rock formed from layers of sediment.

Front

Star: A large object in space made of gas that produces its own light.

Back

A large object in space that is made of gas and produces its own light.

Front

Igneous Rock

Back

A type of rock formed from cooled magma or lava.

Front

Earth

Back

The planet we live on.

Front

Hydroelectricity

Back

A form of energy that harnesses the power of water in motion.

Front

Horizon

Back

A line where Earth's surface meets the sky.

Front

Sun

Back

A star around which Earth orbits.