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Unit 2 Quiz Telescopes

Total questions: 20

Worksheet time: 19mins

Name
Class
Date
1.

What does Reflecting Telescope use as an Objective?

a)
Lens
b)
Mirrors
c)
Bat ears
d)

Prism

2.

What does Refracting Telescope use as an Objective?

a)
Sand
b)
Mirrors
c)
Lens
d)

Prism

3.

A device that combines 2 or more telescopes to be used together is called a(n)...

a)

Observatory

b)

Interferometer

c)
Optical Telescope
d)
Radio Telescope
4.

Why are some telescopes 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 
5.

Why do we need to observe Ultraviolet radiation from 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
6.
What is the MAJOR problem with trying to see stars in or near a city?
a)
Not as many people with telescopes
b)
Light pollution
c)
Clouds
d)
The stars are too far away.
7.

Which light waves have the longest wavelength?

a)

red light

b)

radio waves

c)

ultraviolet light

d)

gamma rays

8.

What are some of the characteristics of a good location for a telescope? (pick all that apply)

a)

Calm air

b)

Clear skies (few clouds for most of the year)

c)

Dark skies (far from cities)

d)

Dry

9.

A spectrograph (spectroscope) breaks the light from an object into a _______, or range of different colors, and produces an image of it.

a)
spectrum
b)
spectragraph
c)
visible light
d)
prism
10.

Spectrascopes use bands of color to identify:  (a)  

Choose from the below words
Mass of star
The elements in the star
The weight of the star
The sounds the star makes
11.
What type of telescope is this?
a)
Refractor
b)
Reflector
c)
Non-Optical
d)
X- Ray
12.

The only type of light humans can see without aide is called ___________ light.

a)
electromagnetic
b)
red
c)
white
d)
visible
13.
Both reflecting and refracting telescopes are designed to
a)
break visible light into colors of the spectrum.
b)
separate visible light from ultraviolet and radio waves.
c)
gather and focus visible light.
d)
work better with short-wavelength radiation.
14.
What type of telescope is this?
a)
Refractor
b)
Reflector
c)
Non-Optical
d)
X- Ray
15.

Which light waves have the highest frequency?

a)

red light

b)

radio waves

c)

ultraviolet light

d)

gamma rays

16.
The bending of light through a lens is called _____
a)
reflection
b)
refraction
c)
diffraction
d)
absorption
17.

The ability to see two separate objects that are very close together instead of as seeing them as one object, is called the _____

a)
orientation
b)
attitude
c)
magnification
d)
resolution 
18.
White light is made up of:
a)
red, yellow, and blue
b)
no colors
c)
all colors
d)
red, green, and blue
19.

When light separates into the different wavelengths/energies this is called...

a)

dispersion

b)

refraction

c)

diffraction

d)

disassociation

20.
The point where the rays meet is known as....
a)
Fire
b)
the focal point
c)
refraction
d)
Plane of the lens