Quiz about Unit Test Astronomy

Question 1

In the diagram given, what happens as we move to the left?

Accepted Answer

Stars get hotter

Answer

Stars Get Larger

Answer

Stars get Colder

Question 2

Which of these stars is hottest?

Accepted Answer

Blue Star

Answer

Red Star

Answer

Yellow Star

Answer

Orange Star

Question 3

Which star is the coldest?

Accepted Answer

Red Star

Answer

Yellow Star

Answer

Orange Star

Answer

Blue Star

Question 4

Compared to the rest of the stars, our sun is considered...

Accepted Answer

Medium size with medium temperature

Answer

Extremely Large and Cold

Answer

Small with a medium temperature

Question 5

Which category is our Sun located in?

Accepted Answer

Main Sequence

Answer

White Dwarfs

Answer

Supergiants

Answer

Giants

Question 6

The category that contains the most stars is...

Accepted Answer

Main Sequence

Answer

Supergiants

Answer

Giants

Question 7

As a whole, Giants are considered hotter than White Dwarfs.

Accepted Answer

False

Answer

True

Question 8

Red stars are the _____________.

Accepted Answer

coolest

Answer

hottest

Answer

biggest

Answer

brightest

Question 9

Blue stars are the _____________.

Accepted Answer

hottest

Answer

coolest

Answer

smallest

Question 10

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

Accepted Answer

Barnard's star

Answer

Betelguse

Answer

Sirius B

Answer

Procyon B

Question 11

Which star has the lowest temperature?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 12

Which spectral class does our star, the sun, belong to?

Accepted Answer

G

Answer

M

Answer

K

Answer

F

Question 13

Changes in the moon's appearance are

Accepted Answer

phases

Answer

eclipses

Answer

stages

Answer

cycle

Question 14

What causes the moon's phases

Accepted Answer

the amount of sunlight reflected onto the moon from the sun

Answer

Where you are standing on Earth

Answer

The tilt of Earth

Answer

how fast the moon is moving

Question 15

Define Waxing

Accepted Answer

Moon is increasing and light part appears to be growing

Answer

Completely illuminated

Answer

dark side is facing earth

Answer

Moon is decreasing and light part appears to be shrinking

Question 16

As the moon's shape appears to get smaller, we say that the moon is _.

Accepted Answer

waning

Answer

swelling

Answer

waxing

Answer

disappearing

Question 17

The cycle of the moon lasts about a _.

Accepted Answer

month

Answer

day

Answer

year

Answer

week

Question 18

It takes about _____ for the earth to complete one rotation.

Accepted Answer

24 hours

Answer

28 days

Answer

365 hours

Answer

365 days

Question 19

Which moon phase is when you can't see the moon at all?

Accepted Answer

New moon

Answer

Waning crescent

Answer

Full moon

Answer

Waxing gibbous

Question 20

What Moon phase is this?

Accepted Answer

Full Moon

Answer

Waxing Gibbous

Answer

New Moon

Answer

Half Moon

Question 21

What Moon phase is this?

Accepted Answer

Waxing Crescent

Answer

Waning Gibbous

Answer

Waning Crescent

Answer

Waxing Gibbous

Question 22

What Moon phase is this?

Accepted Answer

First Quarter

Answer

Last Quarter

Answer

New Moon

Answer

Third Quarter

Question 23

What Moon phase is this?

Accepted Answer

Waxing Gibbous

Answer

Waning Crescent

Answer

Waning Gibbous

Answer

Full Moon

Question 24

What Moon phase is this?

Accepted Answer

New Moon

Answer

Old Moon

Answer

Far Side of the Moon

Answer

Waxing Gibbous

Question 25

What Moon phase is this?

Accepted Answer

Waning Gibbous

Answer

Waning Crescent

Answer

Waxing Crescent

Answer

Waxing Gibbous

Question 26

What Moon phase is this?

Accepted Answer

Waning Crescent

Answer

Waxing Crescent

Answer

Waning Gibbous

Answer

Waxing Gibbous

Question 27

What phase comes AFTER this one?

Accepted Answer

Waning Gibbous

Answer

Waning Crescent

Answer

Waxing Crescent

Answer

Third Quarter

Question 28

What phase comes BEFORE this one?

Accepted Answer

New Moon

Answer

Full Moon

Answer

Third Quarter

Answer

First Quarter

Question 29

What phase comes BEFORE this one?

Accepted Answer

Waxing Crescent

Answer

Waxing Gibbous

Answer

Waning Gibbous

Answer

Waning Crescent

Question 30

What phase comes BEFORE this one?

Accepted Answer

Third Quarter

Answer

New Moon

Answer

Waxing Crescent

Answer

Full Moon

Question 31

What phase comes AFTER this one?

Accepted Answer

Waxing Gibbous

Answer

Waxing Crescent

Answer

Waning Gibbous

Answer

Third Quarter

Question 32

All stars start as gas and dust in a(n)

Accepted Answer

nebula

Answer

black hole

Answer

red giant

Answer

black dwarf

Question 33

After the main sequence, a low mass star becomes a

Accepted Answer

red giant

Answer

black dwarf

Answer

protostar

Answer

supergiant

Question 34

After the main sequence, a high mass star becomes a

Accepted Answer

supergiant

Answer

black dwarf

Answer

protostar

Answer

red giant

Question 35

The final stage of a low mass star is a

Accepted Answer

black dwarf

Answer

neutron star

Answer

nebula

Answer

black hole

Question 36

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

Accepted Answer

supernova

Answer

red giant

Answer

black hole

Answer

planetary nebula

Question 37

A high mass star can end as this stage, which is so dense that not even light can escape!

Accepted Answer

black hole

Answer

black dwarf

Answer

white dwarf

Answer

supernova

Question 38

What stage fills in the blank. Nebula --> Main sequence --> red giant --> ______________ --> white dwarf --> black dwaft

Accepted Answer

planetary nebula

Answer

supergiant

Answer

black hole

Answer

supernova

Question 39

When a nebula heats up, a "baby" star forms in the middle. It is called a

Accepted Answer

protostar

Answer

supernova

Answer

supergiant

Answer

white dwarf

Question 40

A star is born when:

Accepted Answer

nuclear fusion starts

Answer

a nebula becomes a protostar

Answer

gases in a nebula condense

Answer

hydrogen is used up in fusion processes

Question 41

Our sun is currently in what star stage?

Accepted Answer

Main Sequence

Answer

Protostar

Answer

Nebula

Answer

Red Giant

Question 42

Main sequence stars are made primarily of which elements?

Accepted Answer

Hydrogen and Helium

Answer

Hydrogen only

Answer

Helium and Carbon

Answer

Carbon and Iron

Question 43

Why won't our sun ever become a black hole?

Accepted Answer

It is too small

Answer

It is too massive

Answer

It is too old

Answer

It is too young

Question 44

What fuel do stars use?

Accepted Answer

Hydrogen

Answer

Oxygen

Answer

Carbon

Answer

Iron

Question 45

What is a celestial body that is composed of gas and emits light from nuclear fusion reactions?

Accepted Answer

Star

Answer

Nebula

Answer

Galaxy

Answer

Planet

Question 46

The life cycles of stars are determined by their:

Accepted Answer

mass

Answer

color

Answer

distance from Earth

Answer

how bright they are

Question 47

______ is a force that causes dust particles to stick together in a nebula.

Accepted Answer

gravity

Answer

nuclear fusion

Answer

hydrogen

Answer

friction

Question 48

A gigantic explosion that causes the death of a large star is called

Accepted Answer

supernova

Answer

pulsar

Answer

red giant

Answer

black hole

Question 49

A ________ is an object so dense with so much gravity that even light cannot escape.

Accepted Answer

black hole

Answer

neutron star

Answer

white dwarf

Answer

black dwarf

Question 50

This is an image of the first stage in the formation of a star, also known as a ....

Accepted Answer

Nebula

Answer

Main Sequence

Answer

Planetary Nebula

Answer

Supernova

Question 51

The stage after the main sequence star:

Accepted Answer

red giant

Answer

nebula

Answer

white dwarf

Answer

black dwarf

Question 52

Neutron stars are very small and extremely dense

Accepted Answer

true

Answer

false

Question 53

Our sun will end its life as a black hole

Accepted Answer

false

Answer

true

Question 54

All stars begin their life as a white dwarf

Accepted Answer

false

Answer

true

Question 55

How many stars are there in our solar system

Accepted Answer

1

Answer

1 billion

Answer

1 million

Answer

100

Question 56

The age of the earth

Accepted Answer

4.5 billion years

Answer

1.5 billion years

Answer

5 billion years

Answer

2.o billion years

Question 57

The age of the universe:

Accepted Answer

14 billion years

Answer

23 billion years

Answer

1.4 billion years

Answer

4 billion years

Question 58

The year that man first landed on the moon:

Accepted Answer

1969

Answer

2009

Answer

1839

Answer

1999

Question 59

the star around which the earth orbits.

Accepted Answer

Sun

Answer

Mars

Answer

Moon

Question 60

The closer a star is

Accepted Answer

the larger it appears

Answer

the more hydrogen is in the star

Question 61

The sun's yellow color indicates that it is a

Accepted Answer

that it is a mid-range temperature star

Answer

star made up of stable gases

Answer

that it is a low-range temperature star

Answer

that it is a high-range temperature star

Question 62

Why do other stars appear so much smaller than the sun?

Accepted Answer

They are so far away

Answer

They are actually much smaller

Answer

They are not as bright

Answer

They are dwarf stars

Question 63

What color of star is the hottest?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Orange

Question 64

What color of star is the coolest?

Accepted Answer

Red

Answer

Yellow

Answer

Blue

Answer

White

Unit Test Astronomy

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