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Stars and our Sun

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

What process do all stars use to produce energy?

a)

Nuclear fusion

b)

Combustion

c)

Atomic Fission

d)

Cellular respiration

2.

What element does stars use as fuel? What does it produce?

a)

water => fire

b)

Hydrogen => Helium

c)

Oxygen => Carbon dioxide

d)

Darkness => Light

e)

Uranium => Thorium

3.

What is true about all Massive stars?

a)

They all supernova

b)

They all start out as main sequence stars

c)

They all become black holes

d)

They all become neutron stars

4.

The path a star takes in it's life cycle depends on the...

a)

Volume

b)

Mass

c)

luminosity

d)

chemical composition

5.

Why have we never observed a black dwarf?

a)

The universe is too young and average size stars last too long for one to exist yet

b)

They are just a theory so they are probably a myth

c)

The government is trying to hide them from us

d)

They are too far away to be seen with modern technology

6.

The most common stars in the universe are?

a)

White dwarfs

b)

red giants

c)

blue giants

d)

main sequence

7.

brown dwarfs are commonly referred to as "failed stars" because...

a)

they cannot sustain nuclear fusion

b)

they are too small

c)

they are actually planets

d)

are not bright enough

8.

When the Sun’s magnetic field break through the surface and disrupt the smooth transfer of heat from lower layers of the Sun, creating a dark spot on the surface.

a)

Magnetic loop

b)

Sunspot

c)

Prominence

d)

Solar flare

9.

Can disrupt GPS, radio and radar signals here on earth.

a)

Magnetic loop

b)

Sunspot

c)

Prominence

d)

Solar flare

10.

A glowing arch that reaches thousands of kilometers into the Sun’s atmosphere

a)

Magnetic loop

b)

Sunspot

c)

Prominence

d)

Solar flare

11.

Our Sun is an average-sized, average temperature, and middle aged main sequence star

a)

False

b)

True

12.

what is the bright halo of radiation that surrounds the atmosphere of the sun?

a)

Core

b)

Corona

c)

Halo

d)

Radiative zone