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Astronomy 1 Review

Total questions: 46

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Which yellow super giant is brightest?

a)

Polaris

b)

Procyon B

c)

RIgel

d)

Sun

2.

When we compare the star spectrum with the gas spectrum in this picture what does it tell us

a)

the Sun has Helium

b)

the Sun only has Helium

c)

Helium is made from the fusion process

d)

Sun does not have Helium

3.

When we compare the star spectrum with the gas spectrum in this picture what does it tell us

a)

the Sun has Hydrogen

b)

the Sun only has Hydrogen

c)

Helium is made from the fusion process

d)

Sun does not have Hydrogen

4.

What is a nebula?

a)

A large cloud of gas and dust

b)

A small planet

c)

A type of galaxy

d)

A black hole

5.

What is the earliest stage of a star's life called?

a)

Main sequence star

b)

Red giant

c)

Protostar

d)

White dwarf

6.

What is a main sequence star?

a)

A star that has just formed

b)

A star that has run out of hydrogen fuel

c)

A star that is in the middle stage of its life

d)

A star that is about to explode

7.

What does a low or medium mass star become after it has run out of hydrogen fuel?

a)

A red giant

b)

A black hole

c)

A neutron star

d)

A supernova

8.

What is a black hole?

a)

A star left at the core of a planetary nebula

b)

The remains of a high mass star

c)

A red super giant star explodes

d)

The earliest stage of a star's life

9.
Most common elements stars are made of...
a)
Iron & dust
b)
Gold & Zinc
c)
Hydrogen & Helium
d)
Frankincense & Myrrh
10.
Stars can take different paths due to having different _____________
a)
temperature
b)
mass
c)
brightness
d)
color
11.
After the main sequence, a high mass star becomes a
a)
black dwarf
b)
protostar
c)
red giant
d)
supergiant
12.
Which of the following is NOT a final stage of a star. 
a)
black hole
b)
black dwarf
c)
neutron star
d)
red giant
13.
In nuclear fusion, smaller atoms are forced together to create larger atoms. Does this process release, absorb or maintain energy?
a)
Absorb energy
b)
Maintain energy
c)
Release energy
14.

Why do stars collapse in on itself?

a)

Diamonds are starting to form in the core

b)

H2O2 starts to build up

c)

It is exposed to too much radiation

d)

Fusion stops overpowering gravity

15.
Where does the sun's energy originate?
a)
Nuclear reactions of heavy elements.
b)
Nuclear fusion of smaller into larger elements.
c)
Nuclear reactions of cells
d)
Nuclear fission reactions
16.
Use the Hertzsprung Russell Diagram to answer the following question.  How do the characteristics of Vega and Betelgeuse compare?
a)
Vega is cooler and less bright than Betelgeuse.
b)
Vega is hotter and brighter than Betelgeuse.
c)
Vega is cooler and brighter than Betelgeuse.
d)
Vega is hotter and less bright than Betelgeuse.
17.
In the diagram given, what happens as we move to the left?
a)
Stars Get Larger
b)
Stars get Colder
c)
Stars get hotter
18.
Compared to the rest of the stars, our sun is considered...
a)
Extremely Large and Cold
b)
Small with a medium temperature
c)
Medium size with medium temperature
19.
What is found on the x axis of an H-R diagram?
a)
Luminosity
(or brightness)
b)
Temperature
c)
Star Size
d)
Distance
20.
Which is an example of a Main Sequence star?
a)
Betelgeuse
b)
our Sun
c)
Sirius B
d)
Polaris
21.
Which star has the lowest temperature?
a)
A
b)
B
c)
C
d)
D
22.
Which of these shows an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf>black dwarfs
b)
protostar> 
main sequence> 
white dwarf> 
red giant
c)
main sequence> 
protostar> 
white dwarf> 
red giant
d)
protostar> 
red giant >
main sequence> 
white dwarf
23.

Which star is considered a main sequence star?

a)

Vega

b)

Betelgeuse

c)

Pollux

d)

Van Maanan's Star

24.
Hotter stars appear to be what color? 
a)
Red
b)
Blue
c)
Yellow
d)
Green
25.
In the death of a large mass star gravitational collapse is so complete that no energy or matter can escape. This is called a... 
a)
Neutron Star
b)
Black Hole
c)
Black Dwarf
d)
Supernova
26.

All stars begin their life as a

a)

Main Sequence

b)

Nebula

c)

Protostar

d)

Black Dwarf

27.

Supernova happens after

a)

super red giant

b)

nebula

c)

protostar

d)

white dwarf

28.

What is the light that you can see called?

a)

observatory light

b)

ultraviolet light

c)

visible light

d)

infrared light

29.

The color of emitted light with the LONGEST wavelength is

a)

violet

b)

green

c)

red

d)

indigo

30.

A wave with a long wavelength will have a ______ frequency and _____ energy

a)

high, low

b)

high, high

c)

low, high

d)

low, low

31.
The blue section of the wave is measuring _________________.
a)
wavelength
b)
crest
c)
trough
d)
amplitude 
32.
_____ have the longest wavelengths and lowest frequencies of all electromagnetic waves.
a)
microwaves
b)
radio waves
c)
gamma rays
d)
ultraviolet
33.

Which form of radiation has the highest frequency?

a)

radio waves

b)

ultraviolet

c)

x-ray

d)

gamma

34.

The unknown emissions spectra belongs to the element

a)

Hydrogen

b)

Mercury

c)

Neon

d)

Sodium

35.
How old do scientists think the Universe is?
a)
13.8 billion years old
b)
4.5 billion years old
c)
24,000 years old
d)
5 years old
36.
Which of the following is NOT true about the Big Bang Theory?
a)
It is the scientific explanation of how life began on Earth and evolved over time.
b)
It is the scientific explanation for the origin of the universe.
c)
It states that the universe expanded from a single point and is still expanding today.
d)
It states that the universe used to be much hotter and smaller.
37.

The leftover energy from the origin of the universe that we see today. It is detected as "noise" or static.

a)

Cosmic microwave radiation

b)

sunlight

c)

Doppler effect

d)

Cosmic explosions

38.

What does the Big Bang Theory hypothesize about the size of the early universe?

a)

The universe used to be much much larger than it is today.

b)

The universe used to be a tiny speck of super-dense matter.

c)

The universe has always been the same size

39.

Boiling Water

a)

Conduction

b)

Convection

c)

Radiation

40.

Sun Bathing

a)

Conduction

b)

Convection

c)

Radiation

41.

Feet on Hot Sand

a)

Conduction

b)

Convection

c)

Radiation

42.

Which process is responsible for the creation of heavier elements in stars?

a)

Radioactive decay

b)

Nuclear fission

c)

Evaporation

d)

Nuclear fusion

43.

What type of star will our Sun eventually become at the end of its life cycle?

a)

White dwarf

b)

Black hole

c)

Neutron star

d)

Red supergiant

44.

Draw the process of nuclear fusion on our sun in the blank space provided

45.

Draw and label the layers of the sun . Use any diagrams/handouts given to you in class.

Indicate where on the diagram Nuclear Fusion occurs.

46.

What is the relationship between Temperature and Luminosity of the Main Sequence Stars?

Use numerical evidence to support your answer.

4 lines

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