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WorksheetsScience
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What is the electromagnetic spectrum?
a)
It is the entire range of radiant energy carried by electromagnetic waves
b)
I don't know this
c)
It is the refracting light from the telescope
2.
Why are telescopes put into space?
a)
The clouds may block the view.
b)
This is because the amount of radiation blocks the line of sight. Telescopes can't see anything.
3.
In times past, people used to observe the sky what did they use to help them tell time?
a)
earth
b)
stars
c)
galaxy
d)
telescope
4.
What is a refracting telescope?
a)
A refracting telescope uses a convex lens to concentrate light from a distant object.
b)
A refracting telescope uses a curved mirror to concentrate light from a distant object.
c)
DOGS!
5.
How does the antenna on a radio telescope look like.
a)
TV radio dish
b)
Car antenna
c)
It doesn't have one
6.
People today use what to help them see objects in the sky that people in the sky where not able to see
a)
stars
b)
telescope
c)
earth
d)
magellan
7.
The shortest electromagnetic waves are called -----------------------------------.
a)
gamma rays
b)
radio waves
c)
earth waves
d)
visible light
8.
The longest electromagnetic waves are called ---------------.
a)
gamma rays
b)
radio waves
c)
earth waves
d)
atmoshere
9.
A ----- telescope uses a curved mirror to concentrate light from distant objects.
a)
refracting
b)
reflecting
c)
radio
d)
optical
10.
Cool stars emit most of their radiant energy as -------- electromagnetic waves with ------- energy, such as radio waves and infrared waves.
a)
long; low
b)
low; long
c)
visible light; radio waves
d)
gamma rays; radio waves
11.
Stars send energy called ---------------------------------- waves into space.
a)
Electromagnetic
b)
Electomagentic
c)
l`qweajknjkerbwA;`RKJHEWRIGA;SKJRG
d)
IWLAERk;byiafh;k.rdeakjh;efajn
12.
What are stars made of
a)
stars
b)
stuff
c)
earth
d)
dust
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