Category 1
Which planet is the closest to the sun?
Mercury
What is between Mars and Jupiter? (not a planet)
A. Asteroids
B. Gravitation
Asteroids
The last 5 planets are what material?
Gasses
What is the second planet from the sun?
Which planet is the farthest from the sun?
Neptune
What attraction between the planets keeps them in their orbit?
A. Asteroids
B. Gravitation
Gravitation
What is the name of the Earth's only natural satellite?
Moon
Which planet's orbit is crossed by Pluto?
Neptune
Which planet is the largest?
Jupiter
What is the shape of the orbit the planets take called?
A. Rocks
B. Elliptical
Elliptical
What is the only planet known to have liquid water on the surface?
What are the black spots on the sun called?
Sun spots
Which planet has the largest rings?
Saturn
The first four planets are made of what material?
Rocks
Which is the seventh planet from the sun?
Uranus
Which planet has enormous volcanoes and dust storms?
A. Mars
B. Earth
Mars
Which astronomer found that planets do not move in circles?
A. Kepler
B. Newton
Kepler
Who was the scientist that worked out the general rules for the orbits of the planets?
A. Kepler
B. Newton
Newton
What do the planets revolve around in our galaxy?
Sun
What planet is considered to be our sister planet?
Venus