WorksheetsTelescopes
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
A refracting telescope uses _______ to focus light.
a)
Lenses
b)
Mirrors
c)
Lasers
d)
Water
2.
Reflecting telescopes use _______ to focus light.
a)
Lenses
b)
Flat mirrors
c)
Curved Mirrors
d)
A lens and lasers
3.
What type of telescope can work 24 hours a day and even be used in the rain?
a)
Refracting Telescope
b)
Radio Telescope
c)
Newtonian Telescope
d)
Solar Telescope
4.
The "collector", or "light-gathering part" of the telescope is called the _____
a)
objective
b)
ocular
c)
eye piece
d)
refractor
5.
The bending of light through a lens is called _____
a)
reflection
b)
refraction
c)
diffraction
d)
absorption
6.
When the light comes to a focus, using a refracting telescope, it is _____
a)
upside-down, and flipped left and right
b)
only flipped left and right
c)
only upside-down
d)
unchanged
7.
Who was the first to develop reflecting telescopes?
a)
Nicolaus Copernicus
b)
Isaac Newton
c)
Galileo Galilei
d)
Tycho Brahe
8.
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
9.
What is the lens called that is curved and the middle is thicker than the edges?
a)
Refracting
b)
Reflecting
c)
Convex
d)
Curved
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.
What are some disadvantages refracting telescopes?
a)
expensive
b)
large lens can be deformed by its own weight.
c)
flaws in glass
d)
chromatic aberration
12.
A star moving away from the Earth would appear to be...
a)
red shifted.
b)
blue shifted.
100 %
