Solar System Quiz 39 (20 MCQs)

Quiz Instructions

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1. Which planet that people live on?

Correct Answer: A) Earth.

2. Choose the planet in our solar system that rotates on its side.

Correct Answer: C) Uranus.

3. Which of the following is the MAJOR source of heat and energy for Earth?

Correct Answer: C) A star called the Sun.

4. When the Moon has completed one quarter of its orbit around the Earth, the Moon appears to be a half circle. This phase is called the

Correct Answer: B) Quarter moon.

5. To turn or spin on an axis means to

Correct Answer: C) Rotate.

6. The number of planets in our solar system

Correct Answer: C) 8.

7. Choose the smallest planet in our solar system.

Correct Answer: A) Mercury.

8. How does changing the mass of objects affect the force of gravity?

Correct Answer: D) Increasing mass increases gravity.

9. What is the first planet from the sun?

Correct Answer: A) Mercury.

10. What is our solar system made up of?

Correct Answer: C) Planets, moons, and other bodies that go around the sun.

11. What do we call Jupiter, Saturn, Uranus and Neptune?

Correct Answer: A) Outer Planets.

12. Which theory explains the origin of our universe?

Correct Answer: A) The Big Bang.

13. Which is the largest object in our solar system?

Correct Answer: A) Sun.

14. The scientific law that states that every object in the universe attracts every other object

Correct Answer: C) Law of universal gravitation.

15. The earth centered view of the universe

Correct Answer: B) Geocentric.

16. The imaginary line that goes through the center of a planet; it rotates on

Correct Answer: D) Axis.

17. Which planet is now characterized as a dwarf planet?

Correct Answer: C) Pluto.

18. Earth has seasons because .....

Correct Answer: A) Its axis is tilted.

19. ..... axis of rotation is nearly parallel to the plane of its orbit.

Correct Answer: B) Uranus'.

20. Earth is part of the .....

Correct Answer: B) Milky Way.