1. What is the Sun made of?
(a) Rocks and metals
(b) Hot gas
(c) Water ice particles
(d) Hydrogen and helium
2. How many planets orbit the Sun in our Solar System?
(a) 5
(b) 7
(c) 8
(d) 10
3. What is the correct order of planets in the Solar System?
(a) Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Mercury
(b) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
(c) Earth, Mars, Mercury, Venus, Saturn, Jupiter, Uranus, Neptune
(d) Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury
4. Which planet is the largest in our Solar System?
(a) Jupiter
(b) Earth
(c) Saturn
(d) Mercury
5. How long does it take for the Earth to complete one rotation?
(a) 12 hours
(b) 24 hours
(c) 365 days
(d) 8 minutes
6. What is our Galaxy called?
(a) Andromeda
(b) Solaris
(c) Orion
(d) Milky Way
7. When did the Solar System form?
(a) 2 billion years ago
(b) 4.6 billion years ago
(c) 1 million years ago
(d) 10 billion years ago
8. What are Pluto, Ceres, Eris, Makemake, and Haumea collectively known as?
(a) Giant planets
(b) Terrestrial planets
(c) Dwarf planets
(d) Gas giants
9. How far is the Sun from the Earth?
(a) 8 hours
(b) 93 million miles
(c) 365 days
(d) 8 minutes
10. What shape are all planets and the Sun in the Solar System?
(a) Flat
(b) Cubic
(c) Spherical (like balls)
(d) Pyramid
11. Which planet is the hottest in our Solar System?
(a) Earth
(b) Venus
(c) Mars
(d) Jupiter
12. What is the stereotype temperature of Uranus, the coldest planet?
(a) 100°C
(b) -220°C
(c) 0°C
(d) -460°C
13. Which planet is currently known to have living creatures on it?
(a) Earth
(b) Venus
(c) Mars
(d) Jupiter
14. What language does the word “Earth” come from?
(a) Latin
(b) Greek
(c) Germanic English
(d) Spanish
15. How many moons does our Solar System have?
(a) 109
(b) 163
(c) 227
(d) 181
16. What is the primary sonnet of Jupiter, equal to the paragraph?
(a) Rocks
(b) Gas
(c) Water ice particles
(d) Metals
17. What is the main component of Saturn’s ring particles?
(a) Metal
(b) Rocks
(c) Water ice particles
(d) Gas
18. What is the stereotype temperature of Venus, the hottest planet?
(a) 100°C
(b) -220°C
(c) 0°C
(d) 460°C
19. What is the Earth’s rotation period, equal to the paragraph?
(a) 8 minutes
(b) 24 hours
(c) 365 days
(d) 12 hours