General
Which is bigger a galaxy or the universe?
the universe
What is the red planet?
Mars
What is the largest planet?
Jupiter
What object is a ball of burning gas and produces its own light?
a star
revolve (revolution)
the motion of one objects going around another
Is the sun a large, medium, or small star?
medium-sized
What is the smallest planet?
Mercury
Which planet has a large red spot?
Jupiter
What is a ball of rock or gas that revolves around a star?
a planet
rotate (rotation)
the motion of spinning
Why are the sun, planets and other objects in the Milky Way called a solar system?
"Solar" means sun, and everything revolves around the sun.
Which planet is the hottest?
Venus
Which planet is known for its rings made of rocks and ice?
Saturn
What tool is used to see objects far away?
a telescope
orbit
a planet's path around the sun
What is the name of our solar system?
the Milky Way
Which planet is called "Earth's twin" for its similar size and features?
Venus
Which planet has winds that blow over 1600/kph?
Neptune
What are patterns of stars that make pictures in the sky?
constellations
how Uranus spins
on its side
How long does it take light from the sun to reach the earth?
8 minutes
What are the inner planets called?
rocky or terrestrial planets
What are the four outer planets called?
gas giants
What is a small, odd-shaped rocky object that orbits the sun?
an asteroid
BONUS:
Explain why Pluto is no longer a planet. (Give one reason for $500; give two reasons for $1,000.)
1. too small
2. hasn't cleared out its orbit of all the rocks and space "junk"