Quiz about HR Diagram and Life Cycle of a Star

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

What determines the color of a star?

Accepted Answer

It's temperature

Answer

It's size

Answer

It's composition

Answer

They are all the same color

Question 14

What type of galaxy is this?

Accepted Answer

Spiral

Answer

Elliptical

Answer

Irregular

Answer

Irrational

Question 15

What type of galaxy has no defined pattern or shape?

Accepted Answer

Irregular

Answer

Spiral

Answer

Elliptical

Answer

Constellation

Question 16

In the life cycle of a massive star, it will become a...

Accepted Answer

red supergiant

Answer

white dwarf

Answer

black dwarf

Answer

red giant

Question 17

What is the correct order from least to greatest?

Accepted Answer

planet, solar system, galaxy, universe

Answer

planet, solar system, universe, galaxy

Answer

universe, galaxy, solar system, planet

Answer

solar system, universe, galaxy, planet

Question 18

In the life cycle of an average star (the sun) what happens after the star becomes a red giant?

Accepted Answer

planetary nebula

Answer

white dwarf

Answer

black dwarf

Answer

supernova

Question 19

What factor determines whether a star will eventually become planetary nebula or a supernova?

Accepted Answer

amount of mass

Answer

amount of luminosity

Answer

amount of temperature

Answer

amount of oxygen

Question 20

What type of stars burn Hydrogen as fuel?

Accepted Answer

Main Sequence

Answer

Red Giants

Answer

White Dwarfs

Answer

Red Supergiants

Question 21

A white dwarf is the final stage for _________ mass stars like our Sun.

Accepted Answer

small/medium

Answer

large

Answer

super massive

Question 22

Which type of stars are fusing Helium and heavier elements?

Accepted Answer

Red Giants

Answer

Main Sequence

Answer

White Dwarfs

Answer

Blue Giants

Question 23

We consider these stars 'dead' because they no longer are carrying out fusion in their cores.

Accepted Answer

White Dwarfs

Answer

Red Dwarfs

Answer

Red Giants

Answer

Brown Dwarfs

Question 24

Where does a star begin and end its life?

Accepted Answer

Nebula

Answer

Black Hole

Answer

Galaxy

Answer

Solar System

Question 25

What spectacular event follows the red super giant phase for a large or massive star when it starts fusing iron in its core?

Accepted Answer

Supernova

Answer

Big Bang

Answer

Planetary Nebula

Question 26

As the mass of a star increases, its life expectancy __________ because it burns fuel more rapidly.

Accepted Answer

decreases

Answer

increases

Question 27

A star spends most of its life in this stage.

Accepted Answer

Main Sequence

Answer

Red Giant

Answer

White Dwarf

Answer

Black Hole

Question 28

Large mass stars will explode in a Supernova, but will not create a Black Hole as the Neutrons will repel the gravitational collapse, leaving behind a super dense _________ star.

Accepted Answer

Neutron

Answer

White Dwarf

Answer

Black Dwarf

Answer

Black Hole

Question 29

A diagram or graph that shows the relationship between luminosity and temperature in a star.

Accepted Answer

HR (Hertzsprung - Russell) Diagram

Answer

Color vs. Brightness chart

Answer

Temperature vs. Luminosity chart

Answer

Stellar life cycle chart

Question 30

A small, hot, dim star that is the leftover center of an old star

Accepted Answer

White dwarf star

Answer

Yellow dwarf star

Answer

Black dwarf star

Answer

Red dwarf star

Question 31

The high-dense remains of a high mass star after a supernova. Creates an object whose gravity is so strong that nothing, not even light, can escape.

Accepted Answer

Black hole

Answer

Quasar

Answer

Cephid

Answer

Neutron star

Question 32

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

Accepted Answer

Galaxy

Answer

Universe

Answer

Solar System

Answer

Planet

Question 33

A large cloud of gas and dust in interstellar space; the predecessor to stars...

Accepted Answer

Nebula

Answer

Constellation

Answer

Black hole

Answer

Galaxy

Question 34

Cell phones and televisions use this type of EM wave.  It has the longest wavelength with the lowest frequency.

Accepted Answer

radio wave

Answer

tv wave

Answer

Gamma wave

Answer

ultra violet

Question 35

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

Accepted Answer

visible light

Answer

ultraviolet light

Answer

infrared light

Answer

x-rays

Question 36

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

Accepted Answer

Energy is lower.

Answer

Energy is higher.

Answer

Energy is not dependent on wavelength.

Answer

energy is cancelled out

Question 37

The distance between one point of a wave to the same point on the next wave.

Accepted Answer

wavelength

Answer

frequency

Answer

amplitude

Answer

crest

Question 38

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

Accepted Answer

gamma

Answer

radio

Answer

infrared

Answer

x ray

Question 39

Which type of visible light has the highest energy?

Accepted Answer

Violet

Answer

Red

Answer

Yellow

Answer

Green

Question 40

Which of the following types of electromagnetic radiation has a wavelength near 10^-5?

Accepted Answer

Infrared

Answer

Radio

Answer

Microwave

Answer

Visible

Question 41

As part of the Big Bang Theory of the formation of the universe, scientists believe that over time, the universe is continually changing in what characteristic?

Accepted Answer

From more dense to less dense

Answer

From rotating to stationary

Answer

From cooler to hotter

Answer

From very large to very small

Question 42

All the stars we observe from Earth emit light that is shifted, to varying degrees, to longer wavelengths. This evidence is used to support the Big Bang Theory because it shows that stars we observe -

Accepted Answer

are moving away from us.

Answer

are all older than our Sun.

Answer

are made up of helium gas.

Answer

use nuclear fusion to make light.

Question 43

The Big Bang Theory suggests that our universe formed as the result of a huge explosion that sent all existing matter flying outward from a single point. The Big Bang Theory is supported by which of these observations?

Accepted Answer

All galaxies appear to be moving away from all other galaxies.

Answer

All matter in the universe is composed of the same atoms.

Answer

All stars in the universe are approximately the same age.

Answer

The universe is relatively the same temperature in all locations.

Question 44

Which theory does this statement apply to?

The Universe is constantly producing new matter.

Accepted Answer

Steady State Theory

Answer

Big Bang Theory

Answer

Oscillating

Question 45

Which theory does this statement apply to?

The Universe started at a single point.

Accepted Answer

Both Big Bang and Oscillating

Answer

Big Bang Theory

Answer

Steady State Theory

Answer

Oscillating

Question 46

What type of galaxy is the Milky Way galaxy?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 47

What type of galaxy is this?

Accepted Answer

Elliptical

Answer

Spiral

Answer

Irregular

Answer

Irrational

Question 48

Which theory has the "big crunch"

Accepted Answer

Oscillating Theory

Answer

Big Bang Theory

Answer

Steady State Theory

Question 49

Which of the following elements could be found in this star?

Accepted Answer

He and H

Answer

Na and He

Answer

H and Li

Answer

Lu and Na

HR Diagram and Life Cycle of a Star

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science