Florida Space Science

Front

A ______________is the amount of time it takes for the Earth to revolve, or go around, the Sun.

Back

year

Front

The force that keeps all objects near the Sun from flying off into space is

Back

gravity.

Front

The path one space object takes around another space object is called

Back

an orbit.

Front

The Earth rotates, or spins around on its axis, once every

Back

24 hours or one day.

Front

The imaginary line that goes through Earth from pole to pole is called Earth's _______________________.

Back

axis

Front

Earth's day/night cycle is caused by Earth's

Back

rotation.

Front

A ______________________________ is made up of a star and the planets and other space objects that revolve around it.

Back

solar system

Front

A large, round body that revolves around a star is called

Back

a planet.

Front

Objects made of rock and iron that orbit the sun in a wide region between Mars and Jupiter are called ____________________.

Back

asteroids.

Front

A(n) ______________________________ is a chunk of frozen gases, rock, ice and dust.

Back

comet