Inner Planets
Outer Planets
The Moon
Stars
Asteroids, Meteors, & Comets
100
Name the 4 inner planets in order.
Mercury, Venus, Earth, Mars
100
Name the 4 outer planets in order.
Jupiter, Saturn, Uranus, Neptune
100
What is the name of the big holes in the surface of the moon?
Craters
100
Name the star that is closest to Earth.
The Sun
100
Between Mars and Jupiter there is the _____________, which is a group (or "band") of rocks orbiting around the Sun.
Asteroid belt
200
The inner planets are made of __________
Rocks
200
The outer planets are made of ________.
Gas
200
Why do astronauts have LESS weight on the moon than they have on Earth?
The force of gravity is weaker on the moon.
200
Stars go through life cycles. What happens when a star dies?
It explodes, shrinks, or goes cold.
200
Meteors can also be called _____________.
Shooting stars
300
True or False: Venus is called Earth's "twin planet" because they have the same number of moons.
False. It is its twin planet because it is almost the same size as Earth.
300
True or False: The outer planets are lighter and move faster than the inner planets.
True
300
Who is the first human to ever walk on the moon?
Neil Armstrong
300
A star begins as a dust and gas cloud called a ________.
Nebula
300
Rocks that are big enough to fly through the Earth's atmosphere without burning up are called ____________.
Meteorites
400

Which of the inner planets (besides Earth) has the greatest possibility for life on it?

Mars

400
Which outer planet has the largest moon in our solar system (Titan) and is known for its rings?
Saturn
400
True or False: Like the sun, the moon lights up or "glows" in the sky.
False. The moon does not make its own light. It just reflects the light from the sun.
400
Why does the Sun seem so much larger than other stars?
Because it is closer to Earth than other stars.
400
True or False: You can see asteroids from Earth without a telescope.
False
500
True or False: The earth ROTATES every 24 hours and ORBITS the Sun every 365 days.
True
500
Which outer planet is known for a huge gas storm that has lasted for hundreds of years known as the "Red Spot?"
Saturn
500
Which phase is the moon in when the entire side of the moon facing the Earth is illuminated.
Full Moon
500
A group of stars that people have used to form a picture and create a story about is called a ________________.
Constellation
500
Why do comets appear to have tails?
They leave behind a tail of gas as they get closer to the Sun and start to melt.
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