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CW: Star Characteristics

Total questions: 60

Worksheet time: 40mins

Name
Class
Date
1.

The hottest stars are_______.

a)

white

b)

blue-white

c)

red

d)

blue

2.

What type of galaxy is shown in the picture?

a)

sprial

b)

irregular

c)

elliptical

d)

barred

3.

Supergiants are ______.

a)

Very Dim.

b)

Always 500 times greater than our sun.

c)

Relatively cool in temperature.

d)

Very high in temperature.

4.

Most stars are in a band that runs from top left of a diagram to bottom right called

a)

main strip

b)

main line

c)

main sequence

d)

main tain

5.

Blue stars are

a)

cooler than red stars

b)

the hottest stars

c)

the coolest stars

d)

fun stars

6.

What is the correct order of the object in order from smallest to largest?

a)

Solar system, universe, galaxy.

b)

Galaxy, universe, solar system.

c)

Solar system, galaxy, universe.

d)

Universe, galaxy, and solar system.

7.

Magnitude

a)

the brightness of a star

b)

shinyness

c)

a mag with a tude

d)

a TV show

8.

a huge cloud of hydrogen, helium,and tiny particles of dust

a)

white dwarf

b)

protostar

c)

nebula

d)

supernova

9.

a group of stars gas and dust

a)

arm

b)

galaxy

c)

spiral

d)

thunderdome

10.

The explosion of a star is referred to as a _____.

a)

black hole

b)

supernova

c)

red giant

d)

neutron star

11.
Stars can take different paths due to having different _____________
a)
temperature
b)
mass
c)
brightness
d)
color
12.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
13.

After a supergiant, a high mass star explodes and initially forms a

a)

supernova

b)

red giant

c)

black hole

d)

planetary nebula

14.
______ is a force that causes dust particles to stick together in a nebula.
a)
nuclear fusion
b)
gravity
c)
hydrogen
d)
iron
15.
When a nebula heats up, a "baby" star forms in the middle. It is called a
a)
supernova
b)
supergiant
c)
white dwarf
d)
protostar
16.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
17.
Which star is the coldest?
a)
Yellow Star
b)
Red Star
c)
Orange Star
d)
Blue Star
18.
How many days are required for the Moon to complete a cycle of phases from the new Moon position represented in the diagram to the new Moon the following month?
a)
2.2d
b)
27.3d
c)
29.5d
d)
365.26d
19.
Which statement best explains why some constellations are not seen during all four seasons?
a)
Earth revolves around the Sun
b)
Constellations revolve around the Sun
c)
The Moon revolves around Earth
d)
The Sun revolves around the center of the Milky Way
20.
To a nighttime observer on Earth, how many degrees do the stars appear to move around Polaris in 3 hours?
a)
60°
b)
45°
c)
3°
d)
15°
21.
Which sequence of stars is listed in order of increasing luminosity?
a)
Spica, Rigel, Deneb, Betelgeuse
b)
Polaris, Deneb, 40 Eridani B, Proxima Centaurri
c)
Barnards Star, Alpha Centauri, Rigel, Spica
d)
Procyon B, Sun, Sirius, Betelgeus
22.
Compared with our Sun, the star Betelgeuse is
a)
smaller, hotter, and less luminous
b)
smaller, cooler, and more luminous
c)
larger, hotter, and less luminous
d)
larger, cooler, and more luminous
23.
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
a)
Polaris
b)
Betelgeuse 
c)
Procyon B
d)
Sirus 
24.
Which star is cooler and less luminous than the Sun?
a)
Proxima Centuri 
b)
Pollux
c)
Rigel
d)
40 Eridani B
25.
To an observer on Earth, the Sun appears brighter than the star Rigel because the Sun is
a)
hotter than Rigel
b)
more luminous than Rigel
c)
closer than Rigel
d)
larger than Rigel 
26.
Energy is produced within a star's core by the process of
a)
insolation
b)
conduction
c)
nuclear fusion
d)
radioactive decay
27.
After a star runs out of fuel, it becomes a white dwarf, neutron star, or a _______________. 
a)
black hole
b)
nebula
c)
protostar
28.

1. According to the Luminosity and Temperature of Stars Earth Science reference table, the Sun is classified as a

a)

blue supergiant star with a temperature of approximately 20,000K and a luminosity of 700,000

b)

main sequence star with a temperature of approximately 5,500K and a luminosity of 1

c)

main sequence star with a temperature of approximately 4,000K and a luminosity of 100

d)

white dwarf star with a temperature of approximately 10,000K and a luminosity of 0.01

29.

2. Which star is cooler and many times brighter than Earth's Sun?

a)

Rigel

b)

Betelgeuse

c)

Barnard's Star

d)

Sirius

30.

3. Which star is cooler and less luminous than the Sun?

a)

Proxima Centauri

b)

Pollux

c)

Rige

d)

40 Eridani B

31.

4. Which two stars are most similar in luminosity?

a)

Betelgeuse and Barnard's Star

b)

Procyon B and Proxima Centaur

c)

Alpha Centauri and Sirius

d)

Polaris and the Sun

32.

5. The star Algol is estimated to have approximately the same luminosity as the star Aldebaran approximately the same temperature as the Rigel. Algol is best classified as a

a)

main sequence star

b)

red giant star

c)

white dwarf star

d)

red dwarf star

33.

6. Which list shows stars in order of increasing temperature?

a)

Barnard’s Star, Polaris, Sirius, Rigel

b)

Procyon B, Alpha Centauri, Polaris, Betelgeuse

c)

Aldebaran, the Sun, Rigel, Procyon B

d)

Rigel, Polaris, Aldebaran, Barnard’s Star

34.

7. Which star color indicates the hottest star surface temperature?

a)

red

b)

yellow

c)

white

d)

blue

35.

8. Compared to other stars, the sun is

a)

among the hottest stars

b)

among the smallest stars

c)

about average in all respects

d)

very unique

36.

9. Which of the following stars is least bright?

a)

the sun

b)

a blue supergiant

c)

a white dwarf

d)

a red giant

37.

10. Barnard's Star has a surface temperature of about

a)

300 K

b)

3000K

c)

5000 K

d)

10,000 K

38.

The approximate age of the universe is estimated to be

a)

4.6 million years

b)

4.6 billion years

c)

13.8 million years

d)

13.8 billion years

39.

The theory that the universe is expanding is supported by data from the

a)

nuclear decay of radioactive materials

b)

nuclear fusion of radioactive materials

c)

blue shift of light from distant galaxies

d)

red shift of light from distant galaxies

40.

Which evidence best supports the theory that the universe was created by an explosion called the Big Bang?

a)

impact craters found on Earth

b)

cosmic background radiation

c)

the different compositions of terrestrial and jovian planets

d)

the blue shift of light from distant galaxies

41.

For other stars in our galaxy that go through a similar life cycle to our Sun, which star is currently in the late stage of its life cycle?

a)

Alpha Centauri

b)

Procyon B

c)

Bernard's Star

d)

Polaris

42.

Which star is more massive than our Sun but has a lower surface temperature?

a)

40 Eridani B

b)

Sirius

c)

Aldebaran

d)

Barnard's Star

43.

Which of the following are characteristic of the surface temperature and luminosity of some white dwarf stars?

a)

Surface Temperature: 5,000 K Luminosity: 100

b)

Surface Temperature: 5,000 K Luminosity: 0.001

c)

Surface Temperature: 10,000 K Luminosity: 100

d)

Surface Temperature: 10,000 K Luminosity: 0.001

44.

Compared the the Sun, the star Betelgeuse is

a)

less luminous and warmer

b)

less luminous and cooler

c)

more luminous and warmer

d)

more luminous and cooler

45.

Which two stars are most similar in luminosity?

a)

Betelgeuse and Barnard's Star

b)

Procyon B and Proxima Centauri

c)

Polaris and the Sun

d)

Alpha Centauri and Sirius

46.

Which star is hotter, but less luminous, than Polaris?

a)

Deneb

b)

Aldebaran

c)

Sirius

d)

Pollux

47.

Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?

a)

Polaris

b)

Betelgeuse

c)

Procyon B

d)

Sirius

48.

Which graph best represents the relationship between the density and the volume of these mineral samples?

a)
b)
c)
d)
49.

What is the approximate altitude of Polaris at Syracuse, New York?

a)

43°

b)

47°

c)

76°

d)

90°

50.

Which statement best explains why the same side of the Moon is viewed from Earth as the Moon goes through its phases?

a)

The Moon does not rotate as it revolves around Earth.

b)

The Moon’s period of rotation equals Earth’s period of rotation.

c)

The Moon’s period of rotation equals Earth’s period of revolution around the Sun.

d)

The Moon’s period of rotation equals the Moon’s period of revolution around Earth.

51.

Which equation is used to determine the approximate rate of Earth’s revolution?

a)
b)
c)
d)
52.
The color of a star depends on its
a)
size
b)
temperature
c)
shape
d)
magnitude
53.
A very bright star can seem to be dimmer because it is 
a)
further away
b)
cooler in temperature
c)
very close
d)
batteries are dying
54.
What color are the coolest stars?
a)
blue-white
b)
yellow
c)
red
d)
orange
55.

According to the attached diagram, what determines if a star becomes a Supergiant or a Giant?

a)

How massive it is.

b)

If it is on the main sequence or not.

c)

The shape of the nebula.

56.

What process produces large amounts of energy in a star by combining lighter elements into heavier elements?

a)

Convection

b)

Radiation

c)

Radioactive Decay

d)

Nuclear Fusion

57.

Which of the following are characteristic of the surface temperature and luminosity of some white dwarf stars?

a)

Surface Temperature: 5,000 K Luminosity: 100

b)

Surface Temperature: 5,000 K Luminosity: 0.001

c)

Surface Temperature: 10,000 K Luminosity: 100

d)

Surface Temperature: 10,000 K Luminosity: 0.001

58.

Which star is hotter, but less luminous, than Polaris?

a)

Deneb

b)

Aldebaran

c)

Sirius

d)

Pollux

59.

Stars are made of mostly which two gases?

a)

Hydrogen and Helium

b)

Hydrogen and Oxygen

c)

Hydrogen and Nitrogen

d)

Hydrogen and Carbon

60.

Which sequence lists the Jovian planets in order of increasing mass?

a)

(1) Jupiter, Saturn, Neptune, Uranus

b)

(2) Uranus, Neptune, Saturn, Jupiter

c)

(3) Jupiter, Saturn, Uranus, Neptune

d)

4) Neptune, Uranus, Saturn, Jupiter

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