downs 4 th grade science solar system review the planets & other objects in space

Downs

4th Grade

Science

Solar System Review

•The Planets

•& Other Objects in Space

A large object that moves around a star.

What is a planet?

Mercury, Venus, Earth, & Mars

What are the inner planets?

Jupiter, Saturn, Uranus, Neptune & Pluto

What are the outer planets?

Burning sphere of gases

What is a star?

Imaginary line that Earth rotates around

What is an axis?

Instrument used to observe a distant object

What is a telescope?

Path an object takes when revolving around another object

What is an orbit?

Movement of Earth around the sun

What is revolution?

Spinning movement of the Earth

What is rotation?

Small mass of ice and dust that orbits the sun

What is a comet?

Name for the outer planets, except for Pluto

What are the gas giants?

An object that moves around another object

What is a satellite?

Vehicle sent to explore space

What is a space probe?

Objects in a “belt” between Mars & Jupiter

What is an asteroid?

Changes in the apparent shape of the moon

What are phases?