Distance
AU
Size
Not Planets
Guess the Planet
100

Which planet is 1 AU from the Sun?

a) Mars

b) Earth

c) Mercury

b) Earth

100
What does AU stand for?

astronomical unit

100

Which planet is the largest?

Jupiter

100

Why aren't dwarf planet "true" planets?

a) they aren't large enough

b) they don't orbit the Sun independently

c) both a and b

c) both a and b

100

This is the only life-sustaining planet in the solar system.

Earth

200

Which planet is 5.20 AU from the Sun?

a) Mars

b) Saturn

c) Jupiter

c) Jupiter
200

Why do we use astronomical units?

a) because Mrs. Miller said so

b) to calculate and use incredibly large numbers in a way we can understand

c) to specify that we are talking about planets

b) to calculate and use incredibly large numbers in a way we can understand

200

What group of four planets is smaller than the other four?

The inner planets

200

a small fragment of an asteroid

meteoroid

200

A famous Looney Toons alien is from this planet.

Hint: Marvin the Martian

Mars

300

Which planet is 10.10 AU from the Sun?

a) Neptune

b) Saturn

c) Jupiter

a) Neptune
300

Which planet is exactly 1 AU away from the sun?

Earth

300

Which planet is the smallest?

a) Mercury

b) Venus

c) Mars

a) mercury

300

a meteoroid that burns up in a planet's atmosphere

hint: also known as "shooting stars"

meteor

300

This planet is known for its Great Red Spot.

Jupiter

400

How many AU is Mercury from the sun?

a) 0.411 AU

b) 0.346 AU

c) 0.387 AU

c) 0.387

400

About how big is one AU?

a) 200 million km

b) 100 million km 

c) 150 million km

c) 150 million km

400

How big is the Earth's circumference?

a) 30,000 miles

b) 20,000 miles

c) 25,000 miles 

c) 25,000 miles

400

a meteoroid that survives a planet's atmosphere and strikes the surface

meteorite

400

These two planets have no moons.

Venus and Mercury

500

How many AU is Uranus from the Sun?

a) 20.01 AU

b) 19.20 AU

c) 18.921 AU

b) 19.20 AU

500

Who created the Astronomical Unit?

a) Giovanni Cassini

b) Nicolaus Copernicus 

c) Frederick William Herschel 

a) Giovanni Cassini 

500

How large is Saturn's circumference?

a) 253,000 miles

b) 231,000 miles

c) 227,000 miles

c) 227,000 miles

500

small, rocky bodies that vary in diameter and have pitted, irregular surfaces and are to small to be planets

asteroids

500

This planet is the smallest gas giant.

Neptune