1. Solar System
Review Game!

2. The cloud of dust around the head
of a comet is called the:
coma

3. What would you NEED to have to
travel in space?
A spaceship, food, water, and oxygen.

4. A piece of rock caught by Earth’s
gravity, but still in outer space, is a:
Meteoroid

5. In astronomy, what does revolution
cause?
A planet’s year length

6. This planet is the only one thought to
have water and life!
Earth

7. This cold planet has a rusty surface,
with liquid nitrogen rivers and CO2
polar ice caps!
Mars

8. The melting ice that blows off
a comet as it nears the sun is the:
Tail

9. We use so much fuel for liftoff
because we must overcome:
Earth’s gravity

10. The dust around the outside of
the solar system, past the 2nd asteroid
belt, which is where comets are born
is the:
Oort Cloud

11. This planet is made of made of
methane, hydrogen, and helium gases,
and is swirling with storms!
Neptune

12. This planet’s thick sulfuric acid
clouds trap in heat to make it the hottest
planet in the Solar System!
Venus

13. Which planet is Earth?
Earth

14. How do rockets lift off?
Burning gases push against the ground,
and the ground pushes back to lift it.

15. We think our Solar System was
probably formed from a dust cloud
called a:
Nebula

16. This planet has boiling hot days and
freezing cold nights, and is covered with
craters and volcanoes!
Mercury

17. Where is the Asteroid Belt?
Between Mars and Jupiter

18. This planet could have become our
second sun, and the red “eye” spot is
really a giant hurricane!
Jupiter

19. A piece of rock burning up in Earth’s
atmosphere as a shooting star is a:
meteor

20. This planet has wide rings of frozen
chunks of rock!
Saturn

21. In astronomy, what does a planet’s
rotation cause?
its day length

22. A piece of heavy space rock that falls
to Earth and is on the ground is a:
Meteorite

23. This planet is tipped almost
completely on its side and has thin rings!
Uranus

24. The very center of a comet’s head is
called the:
Nucleus

25. Where is the Kuiper belt located?
Past Neptune, where
Pluto is.