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Astronomy 2

Total questions: 27

Worksheet time: 14mins

Name
Class
Date
1.

What is a force that pulls objects towards each other?

a)

Tension

b)

Gravity

c)

Speed

d)

Inertia

2.

Which variables affect gravity?

a)

mass

b)

speed

c)

distance

d)

volume

e)

weight

3.

More mass equals:

a)

less gravity

b)

less distance

c)

more gravity

d)

more distance

4.

Does your mass increase or decrease if you go to the moon?

a)

Increase

b)

Decrease

c)

It stays the same

5.

Does your weight increase or decrease if you go to the moon?

a)

Increase

b)

Decrease

c)

It stays the same

6.

Choose the image that has the most gravitational pull:

a)
b)
7.

Choose the image that has the most gravitational pull:

a)
b)
8.

As mass increases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

9.

As distance increases, what happens to gravitational force?

a)

increases

b)

decreases

c)

stays the same

10.

Who was the mathematician who figured out that the orbits of planets are elliptical and not perfect circles?

a)

Ptolemy

b)

Kepler

c)

Copernicus

d)

Galileo

11.

Who came up with the force, gravity?

a)

Newton

b)

Galileo

c)

Copernicus

d)

Ptolemy

12.

Who is the astronomer who came up with the heliocentric model of the solar system?

a)

Copernicus

b)

Newton

c)

Galileo

d)

Ptolemy

13.

Who used a telescope to look at the sky and discovered the moons around Jupiter to prove the heliocentric model?

a)

Newton

b)

Galileo

c)

Copernicus

d)

Brahe

14.

Who is credited explaining how planets moved in the geocentric model? He said that planets moved in smaller circles called epicycles.

a)

Galileo

b)

Brahe

c)

Ptolemy

d)

Copernicus

15.

Which model is this?

a)

Heliocentric

b)

Geocentric

16.

What model is this?

a)

Heliocentric

b)

Geocentric

17.

What makes a meteoroid, meteor, and a meteorite different? (best answer)

a)

color

b)

size

c)

location

d)

texture

18.

Choose the best description for a meteoroid...

a)

-burns up while entering earths atmosphere

b)

-hits earth surface

c)

-still in space

19.

Choose the best description for a meteor...

a)

-still in space

b)

-burns up in earths atmosphere

c)

-hits earth surface

20.

Choose the best description for a meteorite...

a)

-still in space

b)

-burns up in earth's atmosphere

c)

-hits earth surface

21.

Choose the best description for a meteorite...

a)

-still in space

b)

-burns up in earth's atmosphere

c)

-hits earth surface

22.

Choose the best description for a comet...

a)

icy small body with a tail

b)

chunky rock

c)

rock moving body

23.

Asteroids "hang out" in our solar system in a place called...

a)
The Kupier Belt
b)
The Oort Cloud
c)
The Planetary Rings
d)
The Asteroid Belt
24.
These objects that orbit the sun are nicknamed, "dirty snowballs."
a)
Comets
b)
Asteroids
c)
Meteors
d)
Meteroids
25.

A large, rocky object orbiting the sun is called a...

a)

Comet

b)

Asteroid

c)

Meteoroid

d)

Meteor

26.
In the diagram, a comet's tail always points where?
a)
Towards the Sun
b)
Away from the Sun
c)
Towards Earth
d)
Away from Earth
27.
Asteroids are made of the same stuff as the planets.
a)
True
b)
False