Quiz about Unit 8 Components of the Universe

Question 1

A collection of stars, dust, and gas bound together by gravity is a _________________.

Accepted Answer

galaxy

Answer

universe

Answer

solar system

Answer

planet

Question 2

What is the name of the diagram that shows the relationship between a star's temperature and its brightness?

Accepted Answer

H-R Diagram

Answer

Einstein Diagram

Answer

Star Cluster Map

Answer

Newton's Chart of Stars

Question 3

What is a large celestial body that is composed of gas and emits light?

Accepted Answer

Star

Answer

Nebula

Answer

Galaxy

Answer

Planet

Question 4

Which arrangement orders stars from hottest to coolest?

Accepted Answer

blue, white, yellow, orange, red

Answer

blue, red, white, yellow orange

Answer

blue, white, yellow, red, orange

Answer

red, white, yellow orange, blue

Question 5

What are the three types of galaxies?

Accepted Answer

spiral, irregular, ellipitical

Answer

spiral, regular, liptical

Answer

milky way, elliptical, sprial

Answer

milky way, elliptical, irregular

Question 6

What type of galaxy is pictured?

Accepted Answer

elliptical

Answer

spiral

Answer

irregular

Answer

orbital

Question 7

What type of galaxy is pictured?

Accepted Answer

irregular

Answer

spiral

Answer

elliptical

Answer

orbital

Question 8

What type of galaxy is pictured?

Accepted Answer

spiral

Answer

irregular

Answer

elliptical

Answer

orbital

Question 9

What are found in galaxies?

Accepted Answer

gas, dust, and stars

Answer

ice and rock

Answer

stars and ice

Answer

water and dust

Question 10

Our Sun is average-sized, average temperature, and middle aged.

Accepted Answer

True

Answer

False

Question 11

Which category best describes our Sun?

Accepted Answer

main sequence

Answer

white dwarf

Answer

supergiant

Answer

giant

Question 12

Which is hotter?

Accepted Answer

white dwarfs

Answer

giants

Question 13

What happens as you move to the left on a H-R Diagram?

Accepted Answer

stars get hotter

Answer

stars get dimmer

Answer

stars get brighter

Answer

stars get cooler

Question 14

What happens as you move upward on a H-R Diagram?

Accepted Answer

stars get brighter

Answer

stars get dimmer

Answer

stars get hotter

Answer

stars get cooler

Question 15

Which term correctly identifies (1) on the image?

Accepted Answer

wavelength

Answer

frequency

Answer

crest

Answer

trough

Question 16

Which term correctly identifies (3) on the image?

Accepted Answer

crest

Answer

wavelength

Answer

frequency

Answer

trough

Question 17

Which term correctly identifies (4) on the image?

Accepted Answer

trough

Answer

wavelength

Answer

frequency

Answer

crest

Question 18

At the end of its life cycle, an average star will end up becoming a _____________________.

Accepted Answer

white dwarf

Answer

black hole

Answer

red giant

Answer

neutron star

Question 19

All stars begin their life in a _________________________.

Accepted Answer

nebula

Answer

main sequence

Answer

vaccuum

Answer

black dwarf

Question 20

The the visible light spectrum, which color has the lowest frequency?

Accepted Answer

red

Answer

green

Answer

blue

Answer

violet

Question 21

Which electromagnetic wave has the highest frequency and is often emitted from black holes?

Accepted Answer

gamma

Answer

visible light

Answer

infrared

Answer

untraviolet

Question 22

Why does our sun appear larger than other stars?

Accepted Answer

its close distance to Earth

Answer

yellow in color

Answer

its chemical composition

Answer

its high temperature

Question 23

Energy is transferred from the Sun to Earth mainly by ______________________.

Accepted Answer

electromagnetic waves

Answer

molecular collisions

Answer

density currents

Answer

red shifts

Question 24

What is the primary factor that determines which path stars take on the lifecycle of stars?

Accepted Answer

mass

Answer

nuclear fusion

Answer

gravity

Answer

chemical composition

Question 25

What is the relationship between surface temperature and brightness of a Main Sequence star?

Accepted Answer

as temperature increases, brightness increases

Answer

as temperature increases, brightness decreases

Answer

as temperature increases, brightness stays the same

Answer

when temperature remains the same, brightness increases

Question 26

A star is very bright, but it also has a low temperature. In which group would you find it on the H-R Diagram

Accepted Answer

super giants

Answer

main sequence

Answer

white dwarfs

Answer

giants

Question 27

Which dog???

Accepted Answer

Option A is correct

Accepted Answer

Option B is correct

Accepted Answer

Option C is correct

Accepted Answer

Option D is correct

Question 28

Which of the following best describes the composition of a nebula such as the Crab Nebula?

Accepted Answer

clouds of gas and dust

Answer

ice crystals

Answer

planets and moons

Answer

large asteroids

Question 29

What do all galaxies have in common?

Accepted Answer

they are made of stars

Answer

they are the same shape

Answer

they are the same distance from Earth

Answer

they travel around the sun

Question 30

In what way is the life cycle of stars a "cycle?"

Accepted Answer

all types of stars follow a predictable pattern of change

Answer

the number of stars in the universe are constant

Answer

black holes cause compression of matter and form new stars

Answer

supernovas give off dust and gas, eventually forming a nebula

Question 31

What information can astronomers obtain from spectrographs about stars?

Accepted Answer

temperature and chemical composition

Answer

size and distance

Answer

temperature and distance

Answer

chemical composition and distance

Question 32

By studying the light from stars in distant galaxies, scientists know that ___________________________.

Accepted Answer

objects in the universe are moving apart

Answer

the universe has not changed over time

Answer

the sun is still the center of the universe

Answer

all objects in the universe are the same distance apart

Question 33

Studying red shift is important to astonomers because it provides evidence that __________________________.

Accepted Answer

the universe is expanding

Answer

the light year is a useful measure

Answer

the planets are rotating

Answer

the Sun is a star

Question 34

Scientists believe that before the "Big Bang" the matter that makes up the universe ___________________________.

Accepted Answer

was packed tightly together

Answer

was spead far apart

Answer

did not exist

Answer

was located where it is today

Question 35

What is the correct order of the electromagnetic spectrum from highest to lowest frequency?

Accepted Answer

gamma, X-ray, UV, visible, infrared, microwave, radio

Answer

radio, microwave, infrared, isible, UV, X-ray, gamma

Answer

gamma, X-ray, ultrviolet, infrared, microwave, radio

Answer

radio, microwave, infrared, ultrviolet, gamma

Unit 8 Components of the Universe

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