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STARS

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

It is a collection of gas that has collapsed down from a giant molecular cloud.

a)

T Tauri star

b)

Protostar

c)

Red Giant Star

d)

White Dwarf Star

2.

What does it become when a star has completely run out of hydrogen fuel in its core and it lacks the mass to force higher elements into fusion reaction?

a)

White dwarf star

b)

Protostar

c)

Red Dwarf Star

d)

Neutron Stars

3.

It is an exotic type of star that is composed entirely of neutrons.

a)

Super Giant Stars

b)

Red Dwarf Star

c)

Neutron Stars

d)

Main Sequence Star

4.

It is the largest stars in the Universe.

a)

Red Giant Stars

b)

Neutron Stars

c)

Super Giant Stars

d)

Main Sequence Stars

5.

They are the most common kind of stars in the Universe. These are main sequence stars but they have such low mass that they’re much cooler than stars like our Sun.

a)

Red Dwarf Stars

b)

White Dwarf Star

c)

Protostar

d)

Red Giant Stars

6.

It is in a state of hydrostatic equilibrium. Gravity is pulling the star inward, and the light pressure from all the fusion reactions in the star are pushing outward.

a)

Protostar

b)

Red Giant Stars

c)

Neutron Stars

d)

Main Sequence Star

7.

It is stage in a star’s formation and evolution right before it becomes a main sequence star.

a)

T Tauri Star

b)

Protostar

c)

Red Dwarf Star

d)

White Dwarf Star

8.

What is the name of this constellation?

a)

Big Dipper

b)

Taurus

c)

Small Dipper

d)

Gemini

9.

What is the name of this constellation?

a)

Small Dipper

b)

Big Dipper

c)

Gemini

d)

"The bull"

10.

What is the name of this constellation?

a)

"The Little Bear"

b)

"The Great Bear"

c)

"The Hunter"

d)

"The twins"

11.

What is the name of this constellation?

a)

"The Bull"

b)

"The Little Bear"

c)

"The Hunter"

d)

"The Twins"

12.

The study of the heavens, may be the most ancient of the sciences.

a)

Astronomy

b)

Biology

c)

Chemistry

d)

Physics

13.

It is the power of a star — the rate at which it emits energy.

a)

Brightness

b)

Power

c)

Luminosity

d)

Color

14.

It is the unit known for the Astronomers to measure star temperatures.

a)

Celsius

b)

Kelvin

c)

Color

d)

Size

15.

It affects the brightness of the star. Specifically, luminosity is proportional to radius squared.

a)

Size

b)

Mass

c)

Magnetic field

d)

Metallicity