WorksheetsAstronomy
Total questions: 25
Worksheet time: 2hrs 52mins
Name
Class
Date
1.
Night and day are caused by earth's ___
a)
revolution
b)
rotation
2.
When the earth moves around the sun, this is called a ___ .
a)
revolution
b)
rotation
3.
When the moon is between the earth and the sun, this is called a ____ .
a)
full moon
b)
waxing gibbous
c)
new moon
d)
waxing crescent
4.
When the moon is on the far side of earth away from the sun, this is called a ___
a)
new moon
b)
waxing crescent
c)
waxing gibbous
d)
full moon
5.
When the moon is between the earth and sun and casts a shadow on earth, a ___ occurs.
a)
solar eclipse
b)
lunar eclipse
6.
When the earth is between the sun and moon and casts a shadow on the moon a ___ occurs.
a)
solar eclipse
b)
lunar eclipse
7.
The planet which is the smallest and closest to the sun is __
a)
Venus
b)
Earth
c)
Mercury
d)
Pluto
8.
This planet is the largest in our solar system.
a)
the sun
b)
Saturn
c)
Jupiter
d)
Neptune
9.
This type of planet has a solid surface.
a)
terrestrial
b)
gas giant
10.
This type of planet has no solid surface.
a)
terrestrial
b)
gas giant
11.
The largest object in our solar system is
a)
Jupiter
b)
our sun
c)
Earth
d)
Saturn
12.
This planet has thousands of rings around it.
a)
Jupiter
b)
Uranus
c)
Neptune
d)
Saturn
13.
Our galaxy is this type.
a)
elliptical
b)
irregular
c)
spiral
d)
barred spiral
14.
Our universe is
a)
expanding
b)
contracting
c)
holding steady
15.
The name of our galaxy is
a)
Snickers
b)
Andromeda
c)
The Milky Way
d)
Pleides
16.
What two forces keep the planets in their orbits around the sun?
a)
Gravity and magnetism
b)
Inertia and magnetism
c)
Gravity and inertia
d)
Gravity and mass
17.
What type of star is our sun?
a)
red giant
b)
white dwarf
c)
red supergiant
d)
yellow dwarf
18.
Our galaxy has about ___ stars in it.
a)
100 million
b)
100 billion
c)
400 billion
d)
100 trillion
19.
Planets travel in orbits that are in the shape of a ___ .
a)
ellipse
b)
circle
c)
triangle
d)
sphere
20.
Our solar system is thought to have formed from ___
a)
a giant star
b)
a cloud of gas and dust
c)
a cluster of rocks
21.
A word that means growing is ___
a)
waning
b)
waxing
22.
A word that means shrinking is ___
a)
waxing
b)
waning
23.
The largest moon in our solar system is ___.
a)
Io
b)
Titan
c)
Callisto
d)
Ganymede
24.
Objects with greater ___ pull objects with lesser ___ .
a)
mass/mass
b)
strength/strength
c)
size/size
d)
distance/distance
25.
The greater the ___ between two objects, the ___ the force of gravity.
a)
distance/stronger
b)
magnetism/weaker
c)
distance/weaker
d)
magnetism/stronger
100 %
