4.4 What are planets and Stars?

1. How long does it take for the Earth to make one orbit around the sun?

• 365 days
• 365 years
• 365 weeks

2. Which of the following is NOT part of the solar system?

• Sun
• Planets
• Comet

3. The _____ is the center of the solar system?

• planet
• stars
• sun

4. How many planets are in the solar system?

• 8
• 9
• 10

5. A _______________is a large ball of rock or gas that moves around the sun.

• Solar system
• Star
• Planet

6. Earth is the ______ planet from the sun?

• 1st
• 4th
• 3rd

7. _______________is the path a planet takes as it moves around the sun.

• Star
• Orbit
• Planet

8. _________ is a huge ball of hot gases.

• Solar system
• Star
• Planet

9. Which planet is furthest from the sun?

• Jupiter
• Neptune
• Mercury

10. The sun, the planets, and the planet's moons are parts of the ______________.

• Solar system
• Star
• Planet