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Astronomy

Total questions: 18

Worksheet time: 19mins

Name
Class
Date
1.
These planets from the solar system are drawn to scale.  Which planets are X and Y?
a)
X is Venus and Y is Mars.
b)
B. X is Mars and Y is Venus.
c)
X is Mercury and Y is Mars.
d)
X is Mars and Y is Mercury.
2.
These planets from the solar system are drawn to scale. Which planet could be Planet Z?
a)
Mars
b)
Venus
c)
Neptune
d)
Mercury
3.
The planets below are drawn to scale.Which planet could be Planet X?
a)
Neptune
b)
Mercury
c)
Uranus
d)
Venus
4.
The graph below shows the diameters of the planets. The diameter of a planet is the distance from one side to the other through the middle at the widest part. Which two planets are closest in size?
a)
Uranus and Neptune
b)
Venus and Mars
c)
Jupiter and Saturn
d)
Mercury and Earth
5.
Pluto is called a dwarf planet. It is smaller than the planets in the solar system. The size of each solar system planet is listed in the table below. Which planet is MOST likely closest to Pluto in size?  
 
a)
Mars
b)
Mercury
c)
Jupiter
d)
Neptune
6.
Which set of planets is in order, from largest to smallest?
a)
Jupiter, Mars, Mercury
b)
Jupiter, Venus, Earth
c)
Uranus, Saturn, Mars
d)
Uranus, Mars, Venus
7.
How do gas giants compare to the terrestrial planets?
a)
terrestrial planets are much larger
b)
terrestrial planets are much smaller
c)
gas giants are slightly larger
d)
gas giants are slightly smaller
8.
The picture shows the position of the Sun, Earth, and the Moon on one night.  What moon phase did people on Earth see on this night?
a)
New Moon
b)
First Quarter
c)
Full Moon
d)
Third Quarter
9.
Melinda learned that days in some seasons have more daylight hours than in other seasons. Which season receives the MOST hours of sunlight in the Northern Hemisphere?
a)
Fall
b)
Spring
c)
Summer
d)
Winter
10.
Jenny knows that when it is daytime on one part of Earth, it is nighttime on another. What makes daylight turn to darkness?
a)
the rotation of Earth
b)
the tilt of Earth on its axis
c)
Earth revolving around the Sun
d)
the Sun traveling away from Earth
11.
Sheryl and Raul were playing outside at sunset. They had to go inside their homes when it became dark. Which BEST explains why the day became night?
a)
Part of Earth faces away from the Sun at night.
b)
Earth moves far away from the Sun each night.
c)
The Moon blocks light from the Sun at night.
d)
The Sun stops producing light each night.
12.
Natalie observed the Moon over a couple of weeks.  Each night, the Moon appeared a little fuller.  Natalie wants to predict which phase of the moon she can expect to see in the next few days. Based on Natalie’s observations, which phase of the moon will appear next?
a)
1st Quarter
b)
Full Moon
c)
Waxing Crescent
d)
New Moon
13.
Michael learned that the movement of Earth in the solar system causes changes that can be seen on the planet. Which change could be seen on Earth in the time it takes Earth to rotate once on its axis?
a)
day becoming night
b)
winter changing to spring
c)
January changing to February
d)
a new moon becoming a full moon
14.
What is the approximate length of time it takes the Moon to complete one lunar cycle?
a)
14 Days
b)
29 Days
c)
180 Days
d)
365 Days
15.
The moon revolves around Earth about once every________.
a)
day
b)
year
c)
week 
d)
month
16.
Of the billions of stars in our galaxy, why is the Sun the only star in the galaxy that supplies energy to Earth?
a)
The Sun is the closest star.
b)
The Sun is the hottest star.
c)
The Sun is the biggest star.
d)
The Sun is the oldest star.
17.
Compared to the Sun, all other stars look like points of light in the night sky because the stars _______.
a)
are much smaller than the Sun.
b)
are much farther away than the Sun.
c)
give off different colors than the Sun.
d)
give off much less light than the Sun.
18.
Why does the Sun appear to be the largest star when there are stars that are much larger than the Sun?
a)
Stars have the same temperature as the Sun.
b)
Stars usually appear in groups called clusters.
c)
The Sun is closer to Earth than other stars.
d)
The Sun is younger than most other stars.