These are chunks of rock or metal that orbit the sun.
What are asteroids?
100
This is the amount of time the Earth takes to make one full rotation.
What is 24 hours?
100
The phase of the moon where we see three-quarters of it.
What is a gibbous moon?
100
This planet is the third one away from the sun.
What is Earth?
100
This is a pattern or picture outlined by stars.
What is a constellation?
200
These are chunks of ice and other materials that move in long narrow orbits.
What are comets?
200
The earth rotates on this imaginary line.
What is its axis?
200
In this moon phase, the moon is between the Sun and Earth.
What is the new moon?
200
This planet is the fifth planet from the sun.
What is Jupiter?
200
This means to spin around.
What is rotate?
300
This is a satellite of the sun.
What is a planet?
300
Earth's rotation causes this.
What is the cycle of night and day?
300
This is the reason why the moon looks so big and bright in the sky, even though it is smaller than other bodies in the solar system.
What is it is Earth's closest neighbor in space?
300
These are the two largest planets in our solar system.
What are Jupiter and Saturn?
300
This a small piece of ice, rock, or metal that has broken off of colliding asteroids or comets and entered Earth's atmosphere.
What is a meteor?
400
This is a hot sphere of gases that gives off energy.
What is a star?
400
Earth's trip around the sun takes this long.
What is a year? -or- What is 365 and 1/4 days?
400
If a 120 lb. person went to the moon, they would only weight 20 lb. because of this.
What is the gravity on the moon is weak?
400
Two of the three characteristics the inner planets share.
What is they are made of solid, rock-like materials?
What is they are warmer and smaller than the other planets?
What is they are the closest planets to the sun?
400
This means to move around an object.
What is revolve?
500
Earth moves along this path as it revolves around the sun.
What is its orbit?
500
This causes Earth to experience seasons.
What is Earth's tilted axis?
500
This is the reason we are able to see the moon.
What is the sun's light reflects off of it?
500
This planet has an atmosphere filled with carbon dioxide that traps heat, making it the solar system's hottest planet.