Planets
This is the planet that is closest to the sun.
Mercury
The sun is the center of this.
The solar system
These are holes on the surface of the moon.
Craters
This moon phase occurs when the moon is between the earth and sun so that the dark side of the moon faces earth.
New moon
Which is bigger, asteroid or meteoroid?
Asteroid
This is the 3rd planet from the sun.
Earth
The sun is a _____ that gives off light and heat.
Star
The moon is a ________ that revolves around a bigger object.
A satellite
When the sun light shines on more and more of the moon, we say that the moon is doing this.
Waxing
When a meteoroid reaches Earth's surface, it is called this.
Meteorite
This is what all the planets have in common.
(Double points if you can name all 3 things)
They revolve around the sun
They have enough gravity to make them round
They can clear objects in their path
It takes the earth 365 days to do this.
Revolve or orbit around the sun
Which planets have no moons?
Mercury and Venus
Why is Pluto not considered a planet?
It can not clear the objects in its path.
A comet is made up of what?
Ice and dust
These are the rocky planets.
Mercury, Venus, Earth, and Mars
This is how long it takes earth to complete one rotation.
24 hours --or one day
The moon orbits around the Earth and changes position from the Sun. Because of this we see what?
Phases of the moon
Meteor
When a meteoroid is going through the atmosphere it is called this.
Meteor
These are the gas giants.
Jupiter, Saturn, Uranus, and Neptune
The sun is made of this.
Why do some planets like Jupiter have so many moons?
It has a large mass and a strong gravitational pull.
This is what causes the earth to have 4 seasons.
The tilt of the earth on its axis.
When a comet goes through the atmosphere, what happens?
The ice turns into a gas, leaving a tail of light.