Planets
Vocabulary
Stars
100

How many planets are there?

8

100

Define Milky Way

the galaxy that contains our Solar System

100

T or F

The sun is a star


True

200

Which planet is closest to the sun?

Mercury

200

Define comet

objects in outer space that develop long, bright tails when they pass near the sun.

200

What is the closet star to Earth?

The sun

300

What does Neptune and Uranus have in common?

They both have an atmosphere

300

T or F.... Asteroid is any one of thousands of small planets that circle around the sun.

True

300

How many stars are in the galaxy?

Billions

400

Venus is called the evening star.  Is that an accurate term for this planet?

No, it is a planet, not a star

400

Define outer planet

Planets whose orbits lie outside the asteroid belt

400

T or F

Stars are all the same size, brightness and color.

False

500

Mars and Jupiter have the most asteroids.  Is this a true statement?

YES

500

Galaxy is made up of

gases, dust and billions of stars

500

When stars cluster together they are called?

Constellation

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