Solar System Quiz

Question 1

What planets do NOT have moons?

Accepted Answer

Mercury & Venus

Question 2

The sun is mostly made up of which of the following gases?

Accepted Answer

Hydrogen

Question 3

The MORE mass an object has, the greater________________ it has.

Accepted Answer

gravitational force

Question 4

Mars has more water than:

Accepted Answer

The Arctic Ocean

Question 5

Mercury orbits in the shape of a:

Accepted Answer

oval

Question 6

What prevents Earth from heading toward the sun?

Accepted Answer

Inertia

Question 7

What gas makes up 96% of Venus?

Accepted Answer

Nitrogen

Question 8

The sun is considered to be a(n) ____________________.

Accepted Answer

average star

Question 9

What planet is about 1/3 the size of Earth?

Accepted Answer

Mercury

Question 10

This is a path one body in space takes as it revolves around another body

Accepted Answer

orbit

Question 11

In our solar system, what planet is farthest away from the sun?

Accepted Answer

Neptune

Question 12

Planets, comets, and asteroids in the solar system revolve around what?

Accepted Answer

The Sun

Question 13

How many Earths can fit inside the sun?

Accepted Answer

One million

Questions 13