Which planet has a rocky surface?
A. Neptune
B. Venus
C. Saturn
D. Jupiter
Venus
Which outer planet is the largest?
Jupiter
_____________ is the gas that makes a star shine.
Hydrogen
Our galaxy is about ________ years old.
10 (ten) billion
The spinning of Earth around its axis is called its _____.
A. rotation
B. revolution
C. orbit
D. ellipse
Which list shows the correct order of planets from the sun?
A. Mercury, Venus, Earth, Mars
B. Earth, Mars, Venus, Jupiter
C. Mars, Venus, Earth, Saturn
D. Uranus, Jupiter, Neptune, Saturn
Mercury, Venus, Earth, Mars
What are the surfaces of the outer planets mostly made of?
gases
The hottest stars burn _______
Blue
Which is an object in the solar system that is a frozen mass of ice and dust?
A comet
The Earth rotates in which direction?
West to East
What objects exist between Mars and Jupiter?

asteroids (The Asteroid Belt)
What do Jupiter, Saturn, Uranus, and Neptune have in common?
A. They all have rocky surfaces.
B. They all appear to be similar to Earth.
C. They all are gaseous planets.
D. They all appear to be made of rock and ice.
They're gaseous planets
Which of the following provides evidence to support that the sun is different from other stars near Earth?
A. The sun is the largest star, so it appears closer to Earth than other stars.
B. The sun is the closest star to Earth, so it appears larger and brighter than other stars from Earth.
C. The sun has more gravity than other stars, so it only appears during the daytime.
D. The sun is the smallest star, so it appears to be more distant from Earth than other stars.
B. The sun is the closest star to Earth, so it appears larger and brighter than other stars from Earth.
Which is true about planets and asteroids?
A. They are round.
B. They have an atmosphere
C. They revolve around the sun.
D. They have cleared their orbit.
They revolve around the sun!
Xavier observes a fully lit moon. When can he expect to see the moon look like this again?
In about 30 days.
There are two natural objects that revolve around Mars. What are these objects called?
Moons
Which planet rotates on its' side?
Uranus
How does our sun compare with other stars in size?
It is average-sized.
A galaxy is a huge system of ____, _____, _____, and objects orbiting stars that is held together by the force of gravity.
gas, dust, stars
Walt is learning about Earth's movement in science class. He records some information in a chart.

What information in Walt's chart is in the wrong row of the table?
One revolution does not cause sunrise and sunset.
Which planet is the solar system’s largest rocky planet?
A. Mars
B. Earth
C. Mercury
D. Jupiter
Earth!
Name the outer planets, in order from closest to the Sun to furthest from the Sun.
Jupiter, Saturn, Uranus, Neptune
The picture shows four stars. The stars are shown side-by-side, as if they were positioned next to one another in the sky.

A student claims that the sun must be the largest star, since it appears that way from Earth. Which piece of evidence from the picture challenges the student’s claim?
A. The sun burns the hottest, so it appears larger than other stars from Earth.
B. Some stars are closer to Earth than the sun, but the sun is the largest star.
C. All stars are the same size, but some burn brighter than others.
D. Stars are different sizes and distances from Earth, which affects how large they appear to us.
D. Stars are different sizes and distances from Earth, which affects how large they appear to us.
___________ is the closest galaxy to ours.
Andromeda
Luca claims that the patterns of stars in the sky only appear to move, but that the patterns do not change. Which piece(s) of evidence would best support this claim?
a.Observations that some stars can be seen in every season.
b.Observations that the patterns of stars change position throughout the night sky.
c. Observations that different stars appear in different seasons, but the patterns of the stars remain the same.
a, b, & c