Planets
Outer Space
Solar System
Moon
Sun
100
What is the planet closest to the sun?
Mercury
100
System of eight planets and other objects
Solar System
100
The Earth spinning on its axis, which occurs once every 24 hours is called?
Rotation
100
The Roman name for the moon.
Luna
100
The sun is considered to be the closet what to earth?
Star
200
70% of me is ocean
Earth
200
What is the unit of measure in space called?
Astronomical Unit
200
Earth moves around the sun in this regular curved path.
Orbit
200
How long does it take for the moon to travel around the Earth?
27.32 days
200
When the Northern Hemisphere is tilted away from the sun, what season is it?
Winter
300
I used to be a planet and I'm Disney's favorite dog.
Pluto
300
These "shooting stars" are bits of material falling through earth's atmosphere.
Meteors
300
How long does it take for the earth to revolve around the sun?
One year
300
The Moon's changing shapes are known as?
Phases
300
How many earths can fit inside the sun?
1 million (1,000,000)
400
What planet is called Earth's twin?
Venus
400
Large body of frozen ice that develops a large, bright, glowing tail as it approaches the sun.
Comet
400
What occurs because of the Earth's tilted axis and its revolution around the sun?
Seasons
400
Why does the moon appear bright?
Sunlight reflects off its surface
400
About how old is the sun?
4.6 billion years old
500
Red planet-also a name of a candy bar
Mars
500
What do you call the gases that surround a planet?
Atmosphere
500
What is really moving, even though it appears that the Sun is?
Earth
500
Why does the moon have many craters?
From meteorites crashing into its surface.
500
Fill in the blank--- The sun causes seasons, ocean currents, _________ and climate.
Weather
M
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