The Sun
The sun is this type of object.
A star
True or False
The Earth is made up of 70-75% water.
True
This planet is the smallest and closest to the sun.
Mercury
This is the largest planet.
Jupiter
True or False
The farther the planet is from the Sun, the colder it is.
True
The sun is made of these two kinds of gases.
Hydrogen and helium
This is how we see the moon.
The sun's light reflects on it.
This is the fourth planet from the Sun.
Mars
Why does Uranus spin on its side?
A huge rock crashed into it.
This is the farthest known dwarf planet from the sun.
Eris
This is how long it takes the Earth to make 1 complete revolution around the Sun.
365 days (12 months, 1 year)
This causes day and night.
Earth's rotation
This is what the Terrestrial planets are made out of.
Rock
Romans believed that this planet was the god of architecture.
Saturn
Makemake takes _____ years to make one trip around the sun.
300
The sun produces these kinds of energy.
Nuclear and fusion
How many hours is one complete rotation on earth?
24 hours (1 day)
Venus is named after the Roman goddess of _____ and _____.
Beauty and love
What was Neptune originally going to be called?
Oceanus
What year was Pluto discovered?
1930
How long does it take heat to reach us from the sun?
8 minutes
We add an extra day to our calendar every _____ years.
4
How many robot cars has NASA sent to Mars?
5
This is the name of Jupiter's largest moon.
Ganymede
What are the names of Haumea's two moons?
Namake and Hi'iaka