Pluto
Planets
More Planets
Even More Planets
Vocabulary
100

76 years.

How many years was Pluto called a planet?

100

Large Objects that travel around the sun.

What are Planets?

100

Sits in the middle of the Kuniper Belt.

Where is Pluto?

100

3rd planet from the sun.

What is Earth?
100

An expert in the studies celestial objects, space, and the physical universe as a whole.

What is an astronomer?
200

This planet is made of ice.

Pluto

200

248 years.

How many years does it take Pluto to travel around the sun?

200

Mostly covered in ice.

What is Pluto mostly made of?

200

Mostly made of rocks and gases.

What are the 8 planets mostly made of?
200

The pathway around the sun.

What is an orbit?

300

2006

What year did Pluto become a dwarf Planet?

300

A icy belt ringing the outer edge of the solar system.

What is the Kuiper Belt?

300

Once a planet, now a dwarf planet and smaller than earth's moon.

What is Pluto?

300

9 years.

How many years did it take New Horizon (Space Probe) to reach Pluto?

300

Used to look into night sky and outer space.

What is a telescope?

400

Another Name for Pluto.

What is another name for Planet X ?

400

It does not have a clear path around the sun and is very small.

What is a Dwarf Planet?
400

365 days.

How many days does it take Earth to travel around the sun?

400

Giant Gas Planet larger than Pluto that takes 10,000 to 20,000 years to orbit the sun.

What is Planet Nine?

400

travels around the sun, round in shape, no objects in it's orbit path.

What is a planet?

500

He found Planet X.

Who is Clyde W. Tombaugh?

500

1846

What year was Neptune discovered?

500

1781

What year was Uranus discovered?

500

He built an observatory in Arizona.

Who was Percival Lowell?

500

It's purpose was to fly by Pluto.

What is the purpose of the New Horizon space probe?

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