all of the planets, moon, and other space objects going around the sun
the imaginary line that goes through the north and south poles that the earth spins on
2. Multiple Choice
30 seconds
1 pt
What is the center of our solar system?
moon
earth
sun
Jupiter
3. Multiple Choice
30 seconds
1 pt
Which one takes 24 hours?
rotation
revolution
4. Multiple Choice
30 seconds
1 pt
What describes the earth going around the sun?
rotation
revolution
5. Multiple Choice
30 seconds
1 pt
Earth and the other planets closest to the Sun are made mostly of _______
gas
metal
water
rock
6. Multiple Choice
30 seconds
1 pt
The moon is a natural ______ of Earth.
comet
axis
satellite
space probe
7. Multiple Choice
30 seconds
1 pt
Earth's ________ on its axis causes day and night.
rotation
revolution
phase
comet
8. Multiple Choice
30 seconds
1 pt
One kind of _______ is the crescent Moon.
axis
asteroid
phase
space probe
9. Multiple Choice
30 seconds
1 pt
The __________ has planets, moons, comets, and asteroids.
solar system
earth
rotation
United States
10. Multiple Choice
3 minutes
1 pt
Where is the asteroid belt found?
between earth and mars
Between Uranus and Neptune
Between Mercury and Venus
Between Mars and Jupiter
11. Multiple Choice
3 minutes
1 pt
One of the main differences between the outer and inner planets is __________.
The inner planets all have water
the inner planets are much bigger than the outer planets
the outer planets are gas planets
the outer planets have rings, and the inner planets don't
12. Multiple Choice
3 minutes
1 pt
Why does Earth have different seasons?
because of the distance between Earth and the sun
because of the speed of Earth as it rotates on its axis
because of the amount of light blocked by the moon on its axis
because of the tilt of Earth on its axis as it moves around the sun
13. Multiple Choice
3 minutes
1 pt
Which factor makes Earth different from all the other planets in the solar system in its ability to support life?
The Earth is exposed to rays from the sun.
The Earth has only one moon that orbits around it.
The Earth rotates in an elliptical orbit around the sun.
The Earth has a breathable atmosphere.
14. Multiple Choice
3 minutes
1 pt
Which best explains why the moon has phases?
The moon’s position changes in relation to the sun and Earth.
The sun’s position changes in relation to the moon and Earth.
The Earth casts a shadow on the moon as it rotates.
The moon rotates along its axis
15. Multiple Choice
5 minutes
1 pt
Day and night is caused by the _____________ of earth on its axis.
revolution
orbit
rotation
16. Multiple Choice
5 minutes
12 pts
As the Earth travels around the sun, this tilt causes different areas of the Earth’s surface to get different amounts of daylight at different times of the year. The angle of the Sun’s rays to the surface also causes areas to have more or less of the Sun’s energy. This causes the ________.
months
day and night
seasons
years
17. Multiple Choice
1 minute
1 pt
a pattern of stars that form an imaginary picture or design in the sky
Orbit
Rotate
constellation
Milky Way
18. Multiple Choice
30 seconds
1 pt
A spiral galaxy of stars that contains our Sun
Planisphere
Intensity
Star
Milky Way
19. Multiple Choice
30 seconds
1 pt
Which color star has medium temperature?
Bluish-White
Yellow
Reddish-Orange
20. Multiple Choice
15 minutes
1 pt
The four inner planets are...
Rocky and small
Very large and made of ice
Small and made of ice
Very large and made of gases
21. Multiple Choice
15 minutes
1 pt
The outer planets are...
Rocky and small
Very large and made of ice
Small and made of ice
Very large and made of gases
22. Multiple Choice
15 minutes
1 pt
Which two planets are out of order in this list of our solar system? Mercury-Earth-Venus-Mars-Jupiter-Saturn-Uranus-Neptune-Pluto.
Mercury and Earth
Earth and Venus
Saturn and Jupiter
Uranus and Neptune
23. Multiple Choice
15 minutes
1 pt
How does a telescope help us understand the moon?
It tells us how it was formed
It tells us how hot it is there
It helps us see surface features
It can tell us what the moon is made of
24. Multiple Choice
15 minutes
1 pt
Why is space travel difficult for people?
We cannot take the air or food we need into space
the distance are very great; it is dangerous and expensive.
It is impossible to escape the sun's or Earth's gravity.
We do not have a destination to visit that we know will support life.
25. Multiple Choice
15 minutes
1 pt
What holds the planets in their orbits around the sun?
gravity
speed
string
air currents
26. Multiple Choice
15 minutes
1 pt
Which object has the most gravity?
Earth
moon
Jupiter
sun
27. Multiple Choice
15 minutes
1 pt
Without gravity, what would be the shape of the solar system?
Planets would revolve in perfect circles
Much different than it is now.
Planets' orbits would cross
All planets would be in the same orbit
28. Multiple Choice
30 seconds
1 pt
Besides Pluto, which planet is the furthest planet from the sun?
Mercury
Earth
Neptune
Uranus
29. Multiple Choice
30 seconds
1 pt
What is similar about all of the inner planets?
rocky
gasses
many moons
takes a long time to revolve around the sun
30. Multiple Choice
45 seconds
1 pt
What is similar about all of the Outer Planets?
small
large
few moons
made of gas
31. Multiple Choice
30 seconds
1 pt
Which direction do all of the planets go around the sun?