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Sci 9 Unit E 3.0 Tech for Space Understanding

Total questions: 93

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

Which of the following does the spectral radiation from a star tell us?

Choose all that are correct.

a)

the elements in the star

b)

direction of movement of the star

c)

composition of the star

d)

the star's place in a constellation

e)

the azimuth of the star

2.

Infrared waves are also called thermal waves.

a)

true

b)

false

3.

If you are being taken to the hospital inside an ambulance, with the sirens blaring, can you hear the doppler effect of the sirens inside the ambulance?

a)

Yes

b)

No

4.

The apparent change in frequency of waves due to the motion of the source or of the receiver is known as ...

a)

Frequency

b)

Doppler Effect

c)

Parallax

d)

Triangulation

5.

This type of telescope works by gathering light and magnifying that light with only lenses.

a)

refractor

b)

reflector

c)

radio

d)

infrared

6.

A reflecting telescope has a ______ to collect light.

a)

lens

b)

mirror

c)

dish

d)

satellite

7.

Light emitted from a star that is moving towards the Earth will have its wavelength shortened, and will be considered ...

a)

red shiffted

b)

blue shifted

8.

What is a radio telescope?

a)

A telescope that has a built-in radio.

b)

A telescope that detects radio waves from objects in space.

c)

A telescope that is the same as a refracting telescope.

d)

A telescope that detects radio waves only on Earth.

9.
An absorption spectrum from a distant galaxy is "red-shifted". This means that...
a)
the galaxy is moving away from us.
b)
the galaxy is moving towards us.
c)
the galaxy is spinning on its axis.
d)
the galaxy is deteriorating into a hyper-massive black hole.
10.

This picture is an example of a(n)...

a)

absorption spectrum

b)

infrared spectrum

c)

planet spectrum

d)

black body spectrum

11.

Primarily, an astronomer would use this picture to determine ...

a)

the radiation produced by the Earth

b)

the altitude of a star

c)

the elements that make up a star

d)

the type of rocks on a planet

12.

What type of telescope is displayed in this diagram?

a)

Reflector

b)

Refractor

c)

Radio

d)

Binocular

13.

What type of telescope is pictured in this diagram?

a)

reflector

b)

refractor

c)

radio

d)

concave

14.

What can radiation wavelength determine?

a)

The amount of energy in a wave

b)

How long it takes for a wave to travel

c)

How fast it takes a wave to travel

15.

Visible light ...

a)

is light that a human can see

b)

is made of gamma rays and x-rays

c)

is infrared

d)

has extremely short wavelengths

16.
Which of the following has the highest frequency of wavelength (shortest wavelength)?
a)
X-Ray
b)
Radio Waves
c)
Gamma Waves
d)
Ultra Violet Radiation
17.
Which of the following has the longest wavelength?
a)
X-Ray
b)
Radio Waves
c)
Gamma Waves
d)
Ultra Violet Radiation
18.

Which of the following colors of light has the longest wavelength?

a)
Violet
b)
Blue
c)
Yellow
d)
Red
19.

A star's spectrum has been monitored for 41 years.

The top star spectrum is from 1983.

The bottom star spectrum is from 2024.

What is the spectral shift?

a)

red-shift

b)

blue-shift

20.
When signals from several telescopes are analyzed by a computer at the same time it is called ...
a)
photometry
b)
spectroscopy
c)
interferometry
d)
chromatic aberration
21.
True or False:  When doing spectral analysis, Hydrogen produces the same absorption bands as Neon.
a)
true
b)
false
22.

Measuring the distance from number 1 to number 3 would give the ___________ of this wave.

a)

Mass

b)

Angle

c)

Wavelength

d)

Speed

23.
Why is the Hubble telescope located in space?
a)
It can be closer to the stars it magnifies.
b)
It has very large optical lenses.
c)
So its images are not distorted by Earth's atmosphere.
d)
So it can be operated by astronauts. 
24.
What do X-rays, visible light, gamma rays, and radio waves all have in common?
a)
They can all be seen with an optical lens
b)
They are all types of electromagnetic radiation
c)
They can all be seen with the naked eye
d)
They are all part of the periodic table
25.

A galaxy that is blue-shifted is moving...

a)

Toward the Earth

b)

Away from the Earth

c)

At the same speed at the Earth

d)

Around the Earth

26.
What is true of all radio telescopes?
a)
They are located in space
b)
They have very large optical lenses
c)
They collect information that cannot be seen with the naked eye
d)
They broadcast images over the radio
27.
What is a radio telescope?
a)
A telescope that has a built in radio.
b)
A telescope that detects radio waves from objects in space.
c)
A telescope that is the same as a refracting telescope.
d)
A telescope that detects radio waves only on Earth. 
28.
What is the apparent change in the position of an object due to a change in the location of the observer?
a)
light year
b)
astronomical unit
c)
parallax
d)
parsec
29.

To determine a star's parallax, a person records the position of the same star ____ apart.

a)

1 year

b)

6 months

c)

24 hours

d)

1 month

30.

In triangulation, to get a more accurate distance measurement, you should...

a)

use a longer baseline

b)

use 3 angles

c)

use longer angles

d)

use 3 people to help you

31.

A spacecraft that does not carry people and is sent to gather information from celestial bodies is called

a)

space capsule

b)

space probe

c)

space satellite

d)

space web

32.

Triangulation and parallax are both used to measure distance to an object.

a)

true

b)

false

33.
Blue visible light has a shorter wavelength than red visible light.
a)
True
b)
False
34.

Spectral analysis allows astronomers to learn many properties of stars including which of the following?

a)

Chemical composition

b)

Motion

c)

Temperature

d)

All of these can be determined using spectral analysis

35.
Which is the correct order of EM radiation, from highest to lowest frequency?
a)
radio, microwave, visible, X-ray, gamma
b)
gamma, ultraviolet, visible, infrared, radio
c)
gamma, microwave, X-ray, visible, ultraviolet
d)
microwave, visible, gamma, radio, infrared
36.
What does parallax measure?
a)
Temperature
b)
Distance
c)
Brightness
d)
Size
37.

An astronomer would prefer to use an Earth-based telescope instead of a space-based telescope because...

a)

it is not affected by air pollution

b)

it can have more clarity of image

c)

it can be used day or night

d)

it can capture better sound data

38.

Look at the picture.

What is this depicting?

a)

radio telescope

b)

satellite

c)

optical telescope

d)

space probe

e)

spectoscope

39.
What space technology is this?
a)

James Webb telescope

b)

Radio telescope

c)

Optical telescope

d)
Hubble telescope
40.

This device collects light from distant stars and separates that light into bands of different colors

a)

reflector telescope

b)

refractor telescope

c)

radio telescope

d)

spectroscope

41.

This device uses visible light to identify information about a star's movement.

a)

reflector telescope

b)

refractor telescope

c)

radio telescope

d)

spectroscope

42.

The Hubble Telescope is an example of a

a)

space probe

b)

reflector telescope

c)

infrared telescope

d)

radio telescope

43.

A lab sample of gas is shown at the top. Which of these would be present in the sample?

a)

Beryllium

b)

Manganese

c)

Strontium

d)

Titanium

44.
a)
helium and hydrogen
b)
helium and calcium
c)
hydrogen and calcium
d)
hydrogen and helium
45.

This device shows the visible light emitted from a star and is called a

a)

telescope

b)

spectroscope

c)

microscope

d)

prism

46.

Astronomers examining the spectrum of a distant galaxy, determine that the galaxy is red-shifted, and therefore, is moving _____________.

a)

Toward our Galaxy

b)

Away from our Galaxy

47.

The illustration depicts the technique called...

a)

trilogy

b)

triangulation

c)

trilateration

d)

trigonometry

48.

A spacecraft that travels through space or lands on surfaces to examine, collect samples and send data back to Earth.

a)

space probes

b)

space shuttle

c)

satellite

d)

space station

49.

When a star is travelling away from Earth, its light appears blue.

a)

True

b)

False

50.
What information does a star’s spectrum offer about the star?
a)

size of the star's solar system

b)
 composition
c)

diameter of the star

51.

The measurements required in triangulation are...

a)

3 angles

b)

2 baselines and an angle

c)

2 angles and a baseline

d)

3 baselines

52.

This picture is a representation of ...

a)

interferometry

b)

Doppler effect

c)

parallax

d)

blue shift

53.

Which of these is a spacecraft with no humans, designed to gather information from planets other than Earth?

a)

space probe

b)

radio telescope

c)

satellite

d)

space telescope

54.

When using parallax, the distance between the observation in August and the observation in February is called the ______.

a)

astronomical distance

b)

astronomical unit

c)

wavelength

d)

baseline

55.
Parallax is used to determine a star’s
a)
distance from Earth.
b)
temperature.
c)
composition.
d)
brightness.
56.

A star is moving towards Earth

a)

Red shift

b)

Blue Shift

57.

Galaxy A moving ​ (a)   Earth.

Galaxy B is moving ​ (b)   Earth.

Choose from the below words
away from
toward
58.
What does the Red-shift tell us about the universe
a)
the universe is expanding
b)
the universe is contracting
c)
the big bang is false
d)
nothing
59.

Which elements are in the mixture?

a)

A only

b)

D only

c)

Z only

d)

A and D

e)

D and Z

60.

Which elements are present in the mixture?

a)

D and E

b)

D and G

c)

E and G

d)

only D

e)

only G

61.
A lab sample of gas is shown at the top. Which of these would be present in the sample?
a)
Beryllium
b)
Manganese
c)
Strontium
d)
Titanium
62.

A star's spectrum was recorded for 30 years.

The bottom spectrum was recorded in 1991.

The top spectrum was recorded in 2021.

Is this star moving away from Earth or toward Earth?

a)

away

b)

toward

63.

Absorption bands in a star are seen with a

a)

telescope

b)

spectroscope

c)

stethoscope

d)

microscope

64.
Astronomers use spectroscopy to
a)

determine a location on Earth

b)

Tell the composition, distance, and temperature of a star

c)

Find planets outside our solar system

65.
Four of the types of electromagnetic waves are microwaves, radio waves, infrared waves, and visible light waves.  Which of these waves has the MOST energy?
a)
Microwaves
b)
Radiowaves
c)
Infrared
d)
Visible Light
66.

The figure above shows parts of a wave.
 Which letter represents one wavelength? 

a)
S
b)
T
c)
W
d)
X
67.

Four types of electromagnetic energy are: microwaves, radio waves, infrared waves, and visible light waves. 

Which of these waves has the LEAST energy?

a)
Ultraviolet
b)
Visible Light
c)
Gamma Rays
d)
Radiowaves
68.
Different types of electromagnetic radiation have different wavelengths.  Of the four wave types listed below, which has the longest wavelength?
a)
Microwaves
b)
Gamma Rays
c)
Infrared
d)
Ultraviolet
69.

Which electromagnetic waves can humans see?

a)

visible

b)

ultraviolet

c)

x-ray

d)

infrared

70.

Which feature best distinguishes one form of electromagnetic energy from another?

a)

color

b)

wavelength

c)

surface temperature

d)

distance traveled

71.

What is the major drawback of radio telescopes?

a)

They can only be used during the day

b)

They have interference from the atmosphere

c)

They need to be big to capture the weak radio waves

d)

They have complex mirror systems

72.

Which of these types of EM radiation can captured by a telescope?

Choose all that apply.

a)

Radio

b)

Microwave

c)

Ultraviolet

d)

Visible

e)

X-ray

73.
The picture shows a picture of what telescope? 
a)
Reflecting
b)
Refracting
74.
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 
75.
Why are many large optical telescopes located on mountains?
a)
to be closer to the stars
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
76.

What is this picture?

a)

spectroscopy

b)

interferometry

c)

doppler effect

d)

triangulation

77.

What is this picture demonstrating?

a)

spectroscopy

b)

interferometry

c)

doppler effect

d)

triangulation

78.

What is this picture?

a)

spectroscopy

b)

interferometry

c)

parallax

d)

triangulation

79.

The instrument that detects absorption bands in a spectrum is

a)

radio telescope

b)

refracting telescope

c)

spectroscope

d)

space probe

80.

These telescopes are joined together to produce images with more detail. This technique is called

a)

spectral analysis

b)

interferometry

c)

doppler effect

d)

parallax

81.

A 'rover' is a type of

a)

space probe

b)

space capsule

c)

satellite

d)

rocket

82.

Which type of telescope does not have interference from clouds or atmosphere?

a)

optical

b)

radio

83.

What is a benefit of using an optical telescope and not a radio telescope?

a)

easy to see the image with our eyes

b)

easy to use in the daytime

c)

works easily through clouds

84.

A reflecting telescope uses a _________ to collect light.

a)

concave mirror

b)

convex mirror

85.

Adaptive optics uses flexible mirrors that bend to compensate for distortion caused by Earth's atmosphere.

Another strategy or technology that reduces the impact of atmospheric distortion is the use of

a)

spectroscopy

b)

remote sensing

c)

space-based telescope

d)

parallax technique

86.

Which of the following describes a space probe?

a)

a device used to propel satellites into space

b)

an unmanned spacecraft that travels to celestial bodies to collect data

c)

an artificial satellite used to determine a specific location on Earth

d)

a spacecraft equipped with laboratories where astronauts carry out experiments

87.

Which of the following technologies did people first use to collect evidence that the Earth revolved around the Sun?

a)

Optical telescope

b)

Radio Telescope

c)

Interferometry

d)

Spectroscope

88.

What process is depicted in the photo?

a)

Spectrometry

b)

Inferferometry

c)

Triangulation

d)

Trilateration

89.

In the telescope in the picture, the image is enlarged because the light entering the telescope is

a)

reflected by mirrors

b)

reflected by lenses

c)

refracted by lenses

d)

refracted by mirrors

90.

Which type of telescope is shown in the diagram?

a)

reflecting

b)

refracting

c)

radio

91.

Julius, Shalan and Michael are having a debate about the composition of the Sun. Which of the following is the correct composition?

a)

Hydrogen & Helium

b)

Helium and Oxygen

c)

Oxygen and Nitrogen

d)

Hydrogen and Oxygen

92.
Parallax is used to determine a star’s
a)
distance from Earth.
b)
temperature.
c)
composition.
d)
brightness.
93.

The diagram is showing the process called __________

a)

spectral analysis

b)

parallax

c)

blue-shift

d)

doppler

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