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Unit 10 LC Review

Total questions: 72

Worksheet time: 1hrs 17mins

Name
Class
Date
1.
All waves carry
a)
energy
b)
light 
c)
matter
d)
particles
2.

Cell phones (also have microwaves) and televisions use this type of EM wave. It has the longest wavelength with the lowest frequency.

a)

Radio Wave

b)

TV Wave

c)

Gamma wave

d)

Ultraviolet Wave

3.

Which portion of the electromagnetic spectrum includes the range of light that can be detected by the human eye?

a)

ultraviolet light

b)

visible light

c)

infrared light

d)

x-rays

4.

If the wavelength of an electromagnetic wave is increasing, what is true about the energy?

a)

Energy is increasing

b)

Energy is decreasing

c)

Energy is not dependent on wavelength.

d)

energy is cancelled out

5.

Which part of the electromagnetic spectrum has high enough energy to cause sunburn?

a)

infrared light

b)

visible light

c)

ultraviolet light

d)

microwaves

6.

The type of wave with the shortest wavelength and highest frequency. This type of wave is extremely harmful.

a)

radio

b)

infrared

c)

gamma

d)

x ray

7.

The type of EM wave that is used to cook food. It has a higher frequency (and shorter wavelength) than radio waves.

a)

radio

b)

microwave

c)

gamma

d)

visible light

8.
The type of wave that can travel through either matter or empty space:
a)
Mechanical Waves
b)
Electromagnetic Waves
9.

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

a)

Gamma Rays

b)

Radio Waves

c)

Visible Light

d)

Infrared rays

10.

Which of the following electromagnetic waves is given off as heat?

a)

Radio Waves

b)

Infrared Rays

c)

Visible Light

d)

Gamma Rays

11.

These are the waves that are used absorbed by our bones and are used to create medical images.

a)

visible light

b)

gamma rays

c)

x rays

d)

microwaves

12.
Which type of electromagnetic radiation has the shortest wavelength?
a)
Radio Waves
b)
Visible Light
c)
Microwaves
d)
Gamma Rays
13.
Which type of visible light has the highest energy?
a)
Red
b)
Yellow
c)
Green
d)
Violet
14.
What wavelength of light can the human eye perceive? 
a)
103
b)
10-6
c)
10-10
d)
1013
15.
Which type of radio wave has a larger wavelength?
a)
FM
b)
AM
16.

Which of the following components of the universe is best described as an interstellar cloud of dust and gases where stars can form?

a)

a nebula

b)

a planet

c)

a meteor

d)

a galaxy

17.

The stars and all the other matter in a galaxy are held together by which of the following?

a)

dark matter

b)

inertia

c)

gravity

d)

magnetism

18.

Galaxies are classified by their shapes into all of the following types EXCEPT-

a)

spiral galaxy

b)

irregular galaxy

c)

oblong galaxy

d)

elliptical galaxy

19.

Which of the following components of the universe is best described as a system of stars, gases and dust held together by gravity?

a)

a nebula

b)

a planet

c)

a meteor

d)

a galaxy

20.

A characteristic of a nebula is that it-

a)

is at the center of the solar system

b)

is a region where stars are born

c)

forms halfway through a star's life cycle

d)

has the coolest temperature in space

21.

Which of the following is an accurate description of the relationship between components of the universe?

a)

Stars always contain galaxies

b)

Galaxies contain many stars

c)

Stars contain several nebulae

d)

Nebulae contain many galaxies

22.

A large celestial body made of gases that emits light due to nuclear reactions is called-

a)

a galaxy

b)

a nebula

c)

a comet

d)

a star

23.

A system of stars, gas, dust and dark matte bound together by gravity is called a(n) -

a)

asteroid

b)

nebula

c)

galaxy

d)

moon

24.

In November 2013 an object orbiting the sun seemed to disappear behind the sun. When a satellite did not detect

the object, astronomers thought that the object had been destroyed when it passed close to the sun. However, when another satellite detected a small, bright object with a fan-shaped tail, astronomers proposed that the object was not destroyed.

What type of object were astronomers most likely observing?

a)

a comet

b)

an asteroid

c)

a meteor

d)

a nebula

25.

Which statement about stars is correct?

a)

Star formation begins in a nebula.

b)

White dwarfs become main-sequence stars when they gain mass.

c)

Supergiants are stars that can absorb black holes.

d)

Main-sequence stars are formed by comets.

26.
Light years are used by astronomers to measure what property of celestial bodies?
a)
Distance from Earth
b)
Time since formation
c)
Internal temperature
d)
Absolute brightness
27.
To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -
a)
meter
b)
kilometer
c)
light year
d)
astronomical unit
28.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
29.

Which is the correct order of celestial objects from largest to smallest mass/volume?

a)

star, nebula, universe, galaxy

b)

star, nebula, galaxy, universe

c)

universe, nebula, galaxy, star

d)

universe, galaxy, nebula, star

30.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
31.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
32.

The death of an extremely massive star by a large, violent explosion is called a

a)

pulsar

b)

red giant

c)

supernova

d)

black hole

33.

Which of the following list the correct order of the life cycle of extremely massive stars?

a)

Stellar Nebula --> protostar --> main sequence --> red supergiant --> supernova --> black hole

b)

Stellar Nebula --> protostar --> main sequence --> red giant --> planetary nebula --> white dwarf

c)

Stellar Nebula --> protostar --> main sequence --> supernova --> red giant --> neutron star

d)

Stellar Nebula --> protostar --> black hole --> red supergiant --> supernova --> main sequence

34.
Which of these correctly compares the masses of different objects in the universe?
a)
A moon has less mass than a star and more mass than the planet it orbits.
b)
A planet has less mass than a galaxy and more mass than the star it orbits.
c)
A galaxy has less mass than a moon and more mass than a planet.
d)
A star has less mass than a galaxy and more mass than a planet.
35.
Why does Earth get more energy from the sun than from all the other stars in the universe combined?
a)
The sun is much larger than other stars.
b)
The sun is much hotter than the other stars.
c)
The sun is much more dense 
d)
The sun is much closer than the other stars.
36.
a)

Area M

b)

Area X

c)

Area P

d)

Area Z

37.

The universe has many different components. Which list places four components of the universe in the most likely order from smallest to largest?

a)

Planets, Stars, Galaxies, Nebulae

b)

Nebulae, Stars, Planets, Galaxies

c)

Galaxies, stars, planets, nebulae

d)

Planets, stars, nebulae, galaxies

38.

The Milky way galaxy is described as a disk of stars orbiting a central point on the disk. Which of these best explains why people on Earth cannot see the entire shape of the Milky way?

a)

Earth is a part of this galaxy

b)

Many more stars exist outside of the galaxy

c)

The stars in the center of the galaxy are extremely small

d)

The center of the galaxy consists of a dense cluster of stars

39.
a)

Barnard's star is less bright than the sun, has a surface temperature below 3,800 K , and is red.

b)

Barnard's star is less bright than the sun, has a surface temperature above 3,800 K and is red.

c)

Barnard's Star is brighter than the sun, has a surface temperature below 5,300 K and is yellow.

d)

Barnard's Star is brighter than the sun, has a surface temperature above 5,300 K, and is yellow.

40.
a)

Deneb is a supergiant star

b)

Deneb is a giant star

c)

Deneb is a white dwarf

d)

Deneb is located in the main sequence.

41.
a)

Betelgeuse is hotter than Spica

b)

Betelgeuse is cooler than Spica

c)

Spica and Betelgeuse is the same temperature

42.
a)

Polaris is dimmer than the sun

b)

Polaris is brighter than the sun

c)

Polaris and the sun have the same luminosity

43.

What kind of galaxy is the Milky Way?

a)

Spiral

b)

Irregular

c)

Elliptical

44.
a)

It is a low-mass red dwarf.

b)

It is a low-mass supergiant.

c)

It is a high-mass giant star

d)

It is a high-mass white dwarf

45.
a)

Main-Sequence Stars

b)

Giants

c)

White dwarfs

d)

Supergiants

46.
a)

microwaves

b)

visible light

c)

x-rays

d)

gamma rays

47.
a)

a main-sequence star in spectral class B

b)

a supergiant in spectral class K

c)

a main-sequence star in spectral class K or M

d)

a White dwarf in spectral class B

48.

A plot of the surface temperature (color) of stars vs. their luminosity (brightness).

a)

Universe

b)

Star

c)

Hertzsprung Russell Diagram

49.

The intensity of light from a celestial body that can be used to identify the body's characteristics.

a)

Star

b)

Hertzsprung Russell Diagram

c)

Luminosity

50.

The luminous star, composed mainly of hydrogen and helium, around which Earth and other planets revolve.

a)

Nebula

b)

Sun

c)

Supernova

51.

A grouping of all possible energy levels of electromagnetic radiation from radio waves to gamma rays, including visible light.

a)

Electromagnetic Spectrum

b)

Electromagnetic Radiation

c)

Wavelength

52.

The distance between any two corresponding points on successive oscillations of a wave, such as from peak to peak.

a)

Electromagnetic Spectrum

b)

Wavelength

c)

Luminosity

53.

A galaxy with a bulge in the center and very distinct long arms winding around the center.

a)

Elliptical Shaped Galaxy

b)

Spiral Shaped Galaxy

c)

Irregular Shaped Galaxy

54.

A large grouping of stars in space.

a)

Universe

b)

Galaxy

c)

Solar System

55.

The death of a large star by explosion

a)

Nebula

b)

Supernova

c)

Black Hole

56.

Large cloud of gas and dust in interstellar space; the location of star formation.

a)

Nebula

b)

Supernova

c)

Black Hole

57.

Stable stars in the middle developmental phases that plot along a continuous diagonal belt on the H-R Diagram.

a)

Main Sequence

b)

Supernova

c)

Black Hole

58.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
59.
Which of these observations of Proxima Centuri's Star is most likely accurate?
a)
Proxima Centuri's Star is less bright than the sun and has a surface temperature below 3,400 K
b)
Proxima Centuri's Star is less bright than the sun and has a surface temperature above 3,400 K
c)
Proxima Centuri's Star is brighter than the sun and has a surface temperature below 4,000 K
d)
Proxima Centuri's Star is brighter than the sun and has a surface temperature above 4,000 K
60.
Which star is considered a Main Sequence Star?
a)
A
b)
B
c)
C
d)
D
61.

Which star has the lowest luminosity (brightness)?

a)

A

b)

B

c)

C

d)

D

62.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
63.

What is true about this galaxy?

a)

This is a spiral galaxy like the Milky Way.

b)

This is an elliptical galaxy like the Milky Way.

c)

This is an irregular galaxy like the Milky Way.

d)

This is a nebula where stars are formed.

64.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
65.
On the H-R diagram, the Sun is a _____.
a)
Main Sequence star
b)
Red Giant
c)
White Dwarf
d)
Blue Giant
66.
A _____ is body made of gas, held together by gravity and generates light by nuclear fusion.
a)
star
b)
galaxy
c)
nebula
d)
black hole
67.
How can you rearrange the words to match the diagram correctly in terms of size and space?
a)
Solar System in the largest circle, then Nebula, followed by the Galaxies in the smallest circle.
b)
Nebula in the largest circle, then Galaxies, followed by the Solar System in the smallest circle.
c)
Galaxies in the largest circle, then Nebula, followed by the Solar System in the smallest circle.
d)
The diagram is labeled correctly.
68.

With the use of the Hubble Telescope, scientists recently discovered a giant runaway star. It is 90 times bigger than the sun and is not very hot and red in color. It is also a very bright star, how come from Earth it does not seem as bright as the sun?

a)

the sun is different color than the runaway star

b)

the sun is older than the runaway star

c)

the sun is closer to earth than the runaway star

d)

the sun is made of different elements than the runaway star

69.

Which has the LONGEST wavelength and, therefore, the lowest frequency/energy

a)

Gamma Rays

b)

Radio Waves

c)

Visible Light

d)

Infrared rays

70.

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

a)

Radio waves

b)

Ultraviolet Rays

c)

Gamma Rays

d)

X-rays

71.

Which section of the spectrum is the ONLY one we can see?

a)

X-rays

b)

Visible Light

c)

Gamma Rays

d)

Ultraviolet Rays

72.

Which list places the components of the universe in the most likely order from smallest to largest? (8.8A)

a)

Moons, planets, stars, galaxies, nebulae

b)

Nebulae, stars, planets, galaxies

c)

Galaxies, stars, planets, nebulae

d)

Moons, planets, stars, nebulae, galaxies

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