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WorksheetsSpace
Total questions: 11
Worksheet time: 15mins
Name
Class
Date
1.
Why are many large optical telescopes located on mountains?
a)
it is cheaper to build on mountains
b)
to be above part of the atmosphere
c)
because it is easier to build telescopes on mountains
d)
to be closer to city lights
2.
A device that detects radio waves from objects in space is called a(n)
a)
radio telescope.
b)
reflecting telescope.
c)
refracting telescope.
d)
electromagnetic telescope.
3.
Why do we use the entire electromagnetic spectrum to study space?
a)
Because the visible spectrum is such a small part of light we are missing out by not doing so.
b)
So we can determine the direction galaxies are moving
c)
So we can understand the nature of time.
d)
So we can see the composition of galaxies
4.
Why must Ultra-Violet observing be done in space?
a)
The ozone blocks most of the UV rays in the surface.
b)
It’s hard to know exactly where the ozone hole will be to find UV images
c)
It’s hard to use UV telescopes and radio telescopes together on the surface.
d)
It’s hard to use UV X-Ray telescopes and radio telescopes together on the surface
5.
What color has the longest wavelength?
a)
Red
b)
Orange
c)
Green
d)
Blue
6.
What color has the shortest wavelength?
a)
Blue
b)
Red
c)
Green
d)
Yellow
7.
Why is the Hubble telescope located in space?
a)
So it can be closer to the stars it magnifies
b)
They have very large optical lenses
c)
So its images arent distorted by Earth's atmosphere
d)
So it can be operated by astronauts
8.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
9.
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large strawberry.
10.
light emitted from an object moving towards you will have its wavelength shorted and will be considered
a)
red shiffted
b)
blue shiffted
11.
Why are x-ray telescopes placed above Earth's atmosphere?
a)
to be closer to space
b)
the atmosphere absorbs most cosmic radiation from space
c)
they are too big to put on Earth
d)
X ray telescopes are to dangerous to operate on Earth
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