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WorksheetsObserving The Universe
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
What is radiant energy
a)
energy that electromagnetic waves carry
b)
energy that travels through the air
c)
potatoes
d)
lack of energy that electromagnetic waves carry
2.
What do hot stars emit most of their radiant energy as?
a)
short
b)
long
c)
extralong
d)
medium
3.
Cool stars emit most of their radiant energy as?
a)
shorter waves
b)
medium waves
c)
longer waves
d)
potato waves
4.
Sometimes, electromagnetic waves are completely ______ from Earth's atmosphere.
a)
absorbed
b)
reflected
c)
focused
d)
blocked
5.
What light does an optical telescope gather/focus?
a)
UV light
b)
gamma rays
c)
visible light
d)
infrared radiation
6.
What is the shortest electromagnetic wave?
a)
Radiowaves
b)
microwaves
c)
ultraviolet rays
d)
gamma rays
7.
What speed to light waves travel at per second?
a)
400km
b)
100,000km
c)
300,000km
d)
299,792 km
8.
The Sun is a ________
a)
planet
b)
mythical object
c)
star
d)
galaxy
9.
What speed to light waves travel at per second?
a)
400km
b)
100,000km
c)
300,000km
d)
299,792 km
10.
What is the longest electromagnetic wave?
a)
gamma rays
b)
radio waves
c)
microwaves
d)
infrared laser
11.
What does a refracting telescope do?
a)
concentrates light from distant objects
b)
concentrates light from nearby objects
c)
focuses light from distant object
d)
focuses light from nearby objects
12.
What does the Hubble telescope do?
a)
collects visible light
b)
collects infrared light
c)
collects potatoes
d)
collects blacklight
13.
The _____ of a telescope affects the clarity of the image
a)
quality
b)
location
c)
number of oninions
d)
model
14.
Electromagnetic waves travel through ______
a)
Empty space
b)
solids
c)
liquids
d)
gases
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