Spaceship Earth Vocabulary Flash Cards

Front

An imaginary line that goes through the North Pole and South Pole of Earth.

Back

Axis

Front

The distance around a circle.

Back

Circumference

Front

A pretend version of something that scientists use when the real thing is too big, small, or complicated to work with.

Back

Model

Front

A large, round object in outer space that orbits a star.

Back

Planet

Front

To spin or turn around a central point, like the Earth around its axis.

Back

Rotate

Front

A tool that tells time by using the changing direction of shadows caused by the Sun’s movement across the sky.

Back

Sundial

Front

A time of year with specific weather that repeats every year.

Back

Season

Front

A group of stars in the night sky that form a pattern.

Back

Constellation

Front

Circling another object, like the Earth around the Sun.

Back

Orbit (revolve)

Front

Something that happens again and again and again in a way that can be predicted.

Back

Pattern