Solar System Grade 4

Front

What is the correct order of the planets from the Sun?

Back

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Front

Is the Sun the center of the solar system?

Back

True

Front

What is the largest planet in the solar system?

Back

Jupiter

Front

What are the inner planets?

Back

The inner planets are Mercury, Venus, Earth, and Mars. They have solid surfaces and rocky cores.

Front

What are the outer planets?

Back

The outer planets are Jupiter, Saturn, Uranus, and Neptune. They are gas giants.

Front

Which planets are known as the cold planets?

Back

Neptune and Uranus

Front

What is a planet?

Back

A planet is a celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.

Front

What is the smallest planet in the solar system?

Back

Mercury

Front

What is the main component of the Sun?

Back

The Sun is primarily made of hydrogen and helium.

Front

What is an asteroid?

Back

An asteroid is a small rocky body that orbits the Sun, mostly found in the asteroid belt between Mars and Jupiter.