Quiz about Science Star

Question 1

What word best describes our sun?

Accepted Answer

Average

Answer

Supergiant

Answer

Dwarf

Answer

Red Giant

Question 2

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

Accepted Answer

They are so far away

Answer

They are much smaller

Answer

They are not as bright

Answer

They are dwarf stars

Question 3

What color of star is the hottest?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Orange

Question 4

What color of star is the coolest?

Accepted Answer

Red

Answer

Yellow

Answer

Blue

Answer

White

Question 5

What is the name of the largest stars?

Accepted Answer

Supergiants

Answer

Protostars

Answer

Red Giants

Answer

Dwarf Stars

Question 6

What is the name of the gas/dust clouds that form stars?

Accepted Answer

Nebulas

Answer

Protostars

Answer

Supernova

Answer

Neutron Star

Question 7

True or False
Stars are really close together in outer space.

Accepted Answer

False

Answer

True

Question 8

True or False
Constellations are stars that appear to be in a pattern.

Accepted Answer

True

Answer

False

Question 9

What is the name of the explosion at the death of a massive star?

Accepted Answer

Supernova

Answer

Supergiant

Answer

Black Hole

Answer

Nebula

Question 10

Which of the following best identifies a difference between apparent magnitude and luminosity in stars?

Accepted Answer

Two stars can have the same luminosity but different apparent magnitudes, depending on how far away they are.

Answer

The luminosity of a star will remain constant over the life of a star, but its apparent magnitude will change daily.

Answer

The measurement of the luminosity of a star depends on the position of the observer; apparent magnitude does not.

Answer

Luminosity is always given as a numerical value; apparent magnitude has no numeric value.

Question 11

The Hertzsprung-Russell diagram is used for classifying stars based on the relationship between their brightness and their temperature and color. A diagram is provided.

Which of the following is a trend among the main sequence stars?

Accepted Answer

The hotter the star, the more brightly it burns.

Answer

The larger stars emit light that is blue.

Answer

Stars dimmer than the Sun are of class O or B

Answer

Most of the stars are white or red.

Question 12

Which of the following is NOT a physical property commonly used by scientist to classify stars?

Accepted Answer

State of matter

Answer

Apparent magnitude

Answer

Absolute magnitude (luminosity)

Answer

Temperature

Question 13

What is a large cloud of hot gas and dust called? It is the birthplace of stars?

Accepted Answer

nebula

Answer

black hole

Answer

neutron star

Answer

luminosity

Question 14

An object with the mass of four suns squeezed into 10 km where nothing (not even light) can escape its gravity is called a

Accepted Answer

black hole

Answer

neutron star

Answer

white dwarf

Answer

electron cloud

Question 15

A number assigned to a star as a measure of how bright it appears to be to an observer on Earth is known as which of the following?

Accepted Answer

Apparent Magnitude

Answer

Temperature

Answer

Color

Answer

Absolute Magnitude (luminosity)

Question 16

A Hertzsprung-Russell diagram is provided.

In comparison to the Sun, which of the following best describes Betelgeuse?

Accepted Answer

Cooler and brighter

Answer

Smaller in diameter

Answer

Brighter and hotter

Answer

Less bright, but hotter

Question 17

Mia has created a chart listing the brightness of stars as seen by an observer on Earth. Which of the following is the best title for this chart?

Accepted Answer

Apparent Magnitude

Answer

Color

Answer

Size (diameter)

Answer

Absolute magnitude (luminosity)

Question 18

Which of the following is an important property of stars, because it provides some information about the temperature of a star?

Accepted Answer

The star's color

Answer

The star's name

Answer

The shape of the star

Answer

The distance to the star

Question 19

Jose is looking at stars with his farther and notices some of the stars are brighter than others. Jose's father tells him that the brightness of a star is one way that scientists determine the star's magnitude. What other property, which Jose and his father might observe, is used by scientists to classify stars?

Accepted Answer

The star's color

Answer

The star's rotation

Answer

The constellation the star is in

Answer

The gas that makes up the star

Question 20

A Hertzsprung-Russell diagram is provided. This diagram shows important information about the properties of stars.

Elissa's teacher has provided her with a Hertzsprung-Russell diagram and a table showing the colors of several stars. Elissa could best identify the hottest star on the table by looking for the star that is what color?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

White

Question 21

What color stars are the hottest in temperature?

Accepted Answer

Blue

Answer

Orange

Answer

White

Answer

Red

Question 22

What is the name of the diagram that compares the brightness (luminosity) of a star to the surface temperature (color) of a star?

Accepted Answer

H-R diagram

Answer

Plot diagram

Answer

K-C diagram

Answer

H-L diagram

Question 23

What type of star is in middle development and is stable meaning that the force of gravity is equal to the force of fusion?

Accepted Answer

main sequence star

Answer

nebula

Answer

blue giant

Answer

red giant

Question 24

A star is defined as a(n) _________.

Accepted Answer

ball of matter held together by gravity that gives off energy

Answer

bright, shining ball of gas in the sky

Answer

large planet that is very hot

Answer

a ball of energy

Question 25

The brightness of a star depends on its __________.

Accepted Answer

size, temperature, and distance from us

Answer

color and mass

Answer

distance from us

Answer

composition

Question 26

Put the stars in order from coolest to hottest.

Accepted Answer

Red, Orange, Yellow, White, Blue

Answer

Blue, White, Yellow, Orange, Red

Answer

Red, Orange, Yellow, Blue, White

Answer

Red, Yellow, Orange, White, Blue

Question 27

Which H-R diagram category would have the the largest stars?

Accepted Answer

Super Giants

Answer

Giants

Answer

White Dwarfs

Answer

Main Sequence

Question 28

1. What is gravity?

Accepted Answer

When two objects are attracted to each other.

Answer

A type of rock

Answer

A type of plate boundary

Question 29

The color of the star tells us its

Accepted Answer

Temperature

Answer

composition

Answer

Luminosity

Answer

Mass

Question 30

An apparent shift in the position of an object when viewed from different locations.

Accepted Answer

Parallax

Answer

Perihelion

Answer

Solar Nebula

Answer

Prominence

Question 31

What is the measure of light that stars generate from the surface?

Accepted Answer

absolute magnitude

Answer

spectrometry

Answer

surface area

Answer

apparent magnitude

Question 32

What is the star's brightness as it appears to us from Earth?

Accepted Answer

apparent magnitude

Answer

luminocity

Answer

surface area

Answer

absolute magnitude

Question 33

What is meant by the term luminosity?

Accepted Answer

Luminosity is the amount of energy generated in the star as electromagnetic radiation.

Answer

Luminosity is how bright a star seems to an observer far away.

Answer

Luminosity is the color at which a star burns.

Answer

Luminosity is the determinant of whether a star is approaching an observer or receding,

Question 34

The average distance between the earth and the sun is the

Accepted Answer

Astronomical unit

Answer

Light year

Answer

Parsec

Answer

Perihelion

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