Quiz about Star Characteristics

Question 1

Which of the following is NOT a characteristic used to classify stars?

Accepted Answer

Shape

Answer

Color

Answer

Temperature

Answer

Size

Question 2

True or False - A star's color is directly related to its temperature.

Accepted Answer

True

Answer

False

Question 3

The brightness of a star as seen from earth is defined as:

Accepted Answer

Apparent Brightness

Answer

Absolute Brightness

Answer

Brightness

Answer

Candid Brightness

Question 4

The brightness the star would have if it were a standard distance from earth.

Accepted Answer

Absolute Brightness

Answer

Apparent Brightness

Answer

Brightness

Answer

Candid Brightness

Question 5

A light year is a measurement of:

Accepted Answer

Distance

Answer

Time

Answer

Gravity

Answer

None of the Above

Question 6

True or False - A star with more mass will last longer than a star with less mass.

Accepted Answer

False

Answer

True

Question 7

True or False - The hottest stars are blue.

Accepted Answer

True

Answer

False

Question 8

Characteristics used to classify stars include

Accepted Answer

size, brightness, and temperature.

Answer

distance, size, and color.

Answer

size, distance, and brightness.

Answer

color, brightness, and distance.

Question 9

What color are the coolest stars?

Accepted Answer

red

Answer

blue-white

Answer

yellow

Answer

orange

Question 10

The Hertzsprung-Russell diagram shows that main-sequence stars

Accepted Answer

increase in brightness as they increase in temperature.

Answer

are mostly hot and dim.

Answer

are mostly cool and bright.

Answer

decrease in brightness as they increase in temperature.

Question 11

What color of star is the hottest?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Orange

Question 12

A very bright star can seem to be dimmer because it is

Accepted Answer

further away

Answer

cooler in temperature

Answer

very close

Answer

batteries are dying

Question 13

Stars are made of mostly which two gases?

Accepted Answer

Hydrogen and Helium

Answer

Hydrogen and Oxygen

Answer

Hydrogen and Nitrogen

Answer

Hydrogen and Carbon

Question 14

In the process of nuclear fusion, hydrogen atoms combine to form ___________ atoms.

Accepted Answer

helium

Answer

carbon

Answer

nitrogen

Answer

oxygen

Question 15

Stars give off heat and light in a process called ___________.

Accepted Answer

nuclear fusion

Answer

supernova

Answer

luminosity

Answer

spectroscopy

Question 16

The luminosity of a star describes its ______________.

Accepted Answer

brightness

Answer

temperature

Answer

age

Answer

color

Question 17

A star is born when:

Accepted Answer

nuclear fusion starts

Answer

a nebula expands

Answer

helium and oxygen combine

Answer

a protostar begins to school

Question 18

Using the figure, name the star that is very dim and red in color.

Accepted Answer

Barnard's Star

Answer

Mira

Answer

Betelgeuse

Answer

Alpha Centauri A

Question 19

Describe the features of the star Deneb.

Accepted Answer

Bright, white in color, 10,000 C

Answer

Dim, yellow in color, 6,000 C

Answer

Semi-bright, white in color, 8,000 C

Answer

Bright, blue-white in color, 20,000 C

Question 20

Astronomers use ____________ to find the distance from the Earth to a star.

Accepted Answer

the parallax angle

Answer

luminosity

Answer

apparent brightness

Answer

light years

Question 21

A star with a small parallax angle is

Accepted Answer

closer to Earth

Answer

further from Earth

Answer

equidistant to earth

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