1. Are you ready
for your test
on Friday?

2. body in space that travels
Which word names a
body in space that travels
around a star? A.
galaxy B.
atmosphere C.
comet D.
planet

3. family of stars in space that spin in space around a center?
Which word names a
family of stars in space that
spin in space around a center? A.
galaxy B.
asteroid belt C.
comet D.
satellite

4. body in space that gives off
Which word names a
body in space that gives off
light like our Sun? A.
comet B.
satellite C.
star D.
planet

5. Which word names the layer of gases surrounding a planet
that helps support life? A.
star B.
atmosphere C.
rotation D.
galaxy

6. Which word names the trip
that a planet takes
around the Sun? A.
revolution B.
rotation C.
comet D.
asteroid belt

7. Which word names the group of rocks that revolve around the Sun
in an orbit between Mars and Jupiter? A.
galaxy B.
asteroid belt C.
comet belt D.
orbit

8. Which word names a body in space, like a moon, that revolves
around another body in space? A.
revolution B.
atmosphere C.
satellite D.
orbit

9. scientist who studies stars and other objects in space?
Which word names a
scientist who studies stars
and other objects in space? A.
rotation B.
astronomer C.
planet D.
atmosphere

10. Which word names the path a planet takes around the Sun
and is the same as revolution? A.
atmosphere B.
astronomer C.
orbit D.
comet

11. Which word names an object made of rocks, dust and frozen
gases that revolve around the Sun
in very long, oval-shaped paths? A.
rotation B.
asteroid belt C.
comet D.
revolution

12. spinning motion of a planet as it revolves around the Sun?
Which word names a
spinning motion of a planet
as it revolves around the Sun? A.
planet B.
astronomer C.
satellite D.
rotation

13. By studying earthquakes, scientists have discovered that
three main levels exist within
Earth. Which
layer of the
Earth is the
arrow
pointing to?
the core

14. By studying earthquakes, scientists have discovered that
three main levels exist within
Earth. Which
layer of the
Earth is the
arrow
pointing to?
the mantle

15. By studying earthquakes, scientists have discovered that
three main levels exist within
Earth. Which
layer of the
Earth is the
arrow
pointing to?
the crust

16. Which planet is known as
the water planet? A.
Mars B.
Earth C.
Mercury D.
Venus

17. Which planet is a dwarf planet? A. Core B. Asteroid Belt C. Mercury D.
Ceres

18. Which planet is closest
to the Sun? A.
Mercury B.
Earth C.
Venus D.
Mars

19. Which planet has 2 potato-shaped moons? A. Earth B. Mars C. Mercury D.
Venus

20. Which planet is the largest
of the inner planets? A.
Mars B.
Earth C.
Mercury D.
Venus

21. What is found in orbit between
Mars and Jupiter? A.
Core B.
Asteroid Belt C.
Mercury D.
Venus

22. Which planet is second from the Sun? A. Mars B. Earth C. Mercury D.
Venus

23. Which planet is known as
the red planet? A.
Mars B.
Earth C.
Mercury D.
Venus

24. Which planet is the hottest planet because of its clouds?
Mars B.
Earth C.
Mercury D.
Venus

25. Which planet is known as
Earth’s twin? A.
Mars B.
Ceres C.
Mercury D.
Venus

26. Which planet is the smallest inner planet? A. Mercury B. Venus C. MarsD.
Earth

27. Earth is known as the water planet because 70-75% of
Write a complete sentence to answer
the following question. Be sure to restate!
Why is Earth known as
the water planet?
Earth is known as the water
planet because 70-75% of
Earth is made of water.

28. Earth has seasons because of the tilt of Earth’s axis.
Write a complete sentence to answer
the following question. Be sure to restate!
Why does Earth have
seasons?
Earth has seasons because
of the tilt of Earth’s axis.

29. How long does it take Earth to revolve around the Sun?
Write a complete sentence to answer
the following question. Be sure to restate!
How long does it take Earth
to revolve around the Sun?
It takes Earth 365 days or 1
year to revolve around the Sun.

30. How long does it take Earth to rotate one complete turn?
Write a complete sentence to answer
the following question. Be sure to restate!
How long does it take Earth
to rotate one complete turn?
It takes Earth 24 hours or
1 day rotate one complete turn.

31. Every four years we add the extra 1 fourth days together from Earth’s
Write a complete sentence to answer
the following question. Be sure to restate!
What do we do with the extra 1 fourth
day that we have left over each year
from Earth’s revolution around the Sun?
Every four years we add the extra
1 fourth days together from Earth’s
revolution to make a leap year.

32. When is your test over
the inner planets and
the asteroid belt?
Friday morning!
Good Luck!