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Worksheets

Spark Review

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Why isn't Pluto considered a planet any more?

a)

Because it is so large.

b)

Because it is smaller than the moon.

c)

Because it is a fake planet

d)

Becasue it was sucked into a black hole last year.

2.

How many Earths can fit inside Jupiter's Great Red Spot?

a)

None

b)

11

c)

2

d)

3

3.

Which planet in our solar system is the least dense?

a)

Pluto

b)

Mars

c)

Saturn

d)

Venus

4.

Why is the Earth in "the sweet spot" of orbits?

a)

Becasue we have sugar here on earth.

b)

Becasue we are mostly water.

c)

It's not too hot, it's not too cold

d)

Becasue we are orbiting slowly.

5.

What is different about Uranus's rotation compared to the rest of the planets in our solar system?

a)

It spins nearly 1000km per hour.

b)

It makes you feel gasy.

c)

It does not rotate.

d)

It spins on its side, nearly horizontal.

6.

Extra for experts....What happened to the Russian (Soviet) probes they sent to Venus?

a)

They got crushed and melted.

b)

They were sent back by aliens.

c)

They were accidently sent to mars.

d)

They blew up.

7.

A protostar is...

a)

A protostar is the last stage in a star's life.

b)

A protostar is the first stage in a star's life.

c)

Protostar is a star that is a pro,

d)

A protostar is a dead star.

8.

A supernova is...

a)

the explosion of a star.

b)

the center of the star.

c)

the last stage of a star.

d)

the first stage of a star.

9.

Whe the hot core of a star cools it becomes a...

a)

ice cube

b)

Supernova

c)

Black hole

d)

White dwarf

10.

When the outer parts of the star drift away and form a cloud of dust this is called a...

a)

Constellation

b)

Bunch of dust

c)

Planetary Nebula

d)

Red dwarf

11.

when all remaining heat is lost through radiation and the star ‘dies’. 

A black dwarf is...

a)

the hottest type of star.

b)

is a very short star.

c)

the first stage of a star.

d)

when all remaining heat is lost through radiation and the star ‘dies’.

12.

When are black holes created?

a)

When the lights go out.

b)

When a star dies.

c)

When there is a hole in space.

d)

When a star gets very hot.

13.

What happens inside a black hole? 

a)

It sucks everything into it that comes near it.

b)

No one knows.

c)

All strs are reborn.

d)

The stars are reborn.

14.

Does the mass of a star change once it is compressed (squeezed)?

a)

Yes, it does.

b)

Yes and no.

c)

No, it stays the same

d)

No one knows.

15.

When a star has died, what pushes on it from the outside to form a black hole? 

a)

Another star

b)

Star dust

c)

It's mother

d)

Gravity