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Space Systems

Total questions: 40

Worksheet time: 18mins

Name
Class
Date
1.
How long does it take for the Earth to rotate once?
a)
24 hours
b)
365 days
c)
27.3 days
d)
27.3 hours
2.

The Earth's revolution and its ________ causes seasonal change.

a)

rotation

b)

orbit

c)

tilt

d)

days

3.
What does the word "lunar" refer to?
a)
Sun
b)
Moon
c)
Earth
d)
Night
4.
What does the word "solar" refer to?
a)
Sun
b)
Moon
c)
Earth
d)
Energy
5.

Why do we not experience eclipses every month?

a)

The moon is stubborn.

b)

The Moon's orbit is tilted

c)

Moon is smaller than the Sun

d)

Earth's orbit is tilted

6.

_________ are caused by the pull of the moon's gravity on the Earth.

a)

Seasons

b)

Tides

c)

Day/night cycle

d)

Moon

7.

Night and day is evidence that the earth is

a)

rotating

b)

revolving

c)

cold

d)

warm

8.

The seasons are caused by the ________ of the axis and the Earth's _____________ around the sun.

a)

tilt, revolution

b)

tilt, rotation

c)

curve, revolution

d)

curve, rotation

9.
Which phase is this? 
a)
New Moon
b)
1st Quarter
c)
3rd Quarter
d)
Full Moon
10.

What is the name of the moon phase at #1

a)

New Moon

b)

Full Moon

11.

What is the name of the moon phase at #5

a)

New Moon

b)

Full Moon

12.

Which letter illustrates a New Moon

a)

A

b)

B

c)

C

d)

D

13.

Which letter illustrates a 1st quarter Moon

a)

A

b)

B

c)

C

d)

D

14.

name the phase

a)

waxing gibbous

b)

waning gibbous

c)

new moon

d)

full moon

15.

name the phase

a)

full moon

b)

waxing crescent

c)

waning crescent

d)

new moon

16.

How many days to complete the phases

a)

27 1/3

b)

23.5

c)

29.5

d)

24

17.
Name the moon phase
a)
First Quarter
b)
Last Quarter
c)
New Moon
d)
Full Moon
18.
An object with mass has gravity.
a)
True
b)
False 
19.
The amount of matter in an object.
a)
force 
b)
mass
c)
weight 
d)
pressure 
20.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
21.

More mass equals:

a)

less gravity

b)

less distance

c)

more gravity

d)

more distance

22.
An example of a gravitational interaction is that the Earth... 
a)
orbits the sun
b)
orbits the moon
c)
orbits other planets 
d)
None of the above 
23.
__________holds all of the planets in orbit around the sun.
a)
Force
b)
Motion
c)
Weight
d)
Gravity
24.
Gravity on Mar's surface is much lower than it is here on Earth. This is because the mass is __________than Earth.
a)
less
b)
more
c)
the same 
25.
What is in the center of the Heliocentric Model?
a)
Sun
b)
Comet 
c)
Jupiter
d)
Earth
26.
What planet is it?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Venus
27.
Jupiter, Saturn, Uranus, and Neptune are what type of planets?
a)
Gas Giants
b)
Ice Giants
c)
Terrestrial Planets
d)
Exterior Planets
28.
The four terrestrial planets all have
a)
Rocky surfaces
b)
Hot temperatures
c)
Deep atmospheres
d)
Large size
29.
The curved path in which a planet, satellite, or spacecraft moves in a circle around another object.  The path one object takes around another.
a)
rotate
b)
orbit
c)
moon
d)
revolve
30.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
31.
This gas giant has a large storm in its atmosphere known as The Red Spot
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
32.
True or False
The planets are all equally distanced from each other.
a)
True
b)
False
33.

What planets are these?

a)

Inner(Rocky) Planets

b)

Outer(Gas Giants) Planets

34.

These planets are the?

a)

Inner(Rocky) planets

b)

Outer(Gas Giants) planets

35.

The hottest planet is?

a)

Saturn

b)

The Sun

c)

Venus

d)

Mercury

36.

The moon__________around the earth(Another word for Orbit)

a)

Revolves

b)

Rotates

c)

Jumps

d)

Falls into

37.

Which planet has the most moons?

a)

Saturn

b)

Jupiter

c)

Earth

d)

The Moon

38.
What is the difference between the inner planets and the outer planets?
a)
The outer planets are smaller than the inner planets 
b)
The inner planets are smaller than the outer planets
c)
The outer planets have more rocks than the inner planets
d)
the inner planets are heavier than  the outer planets
39.
Which planet is closest to the sun?
a)
Earth
b)
Venus
c)
Mercury
d)
Mars
40.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
d)
Mercury, Earth, Venus, Mars, Saturn, Jupiter, Neptune, Uranus

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