Quiz about Stars , Nuclear Fusion, and the Sun

Question 1

Which long, stable stage in its life cycle is the Sun currently experiencing?

Accepted Answer

Main Sequence

Answer

White Dwarf

Answer

Nebula

Answer

Red Giant

Question 2

What is at the center of our solar system?

Accepted Answer

The Sun

Answer

Milky Way Galaxy

Answer

The Earth

Answer

A Nebula

Question 3

What are the two main elements (gases) that make up the 99% of the Sun's mass?

Accepted Answer

Hydrogen and Helium

Answer

Hydrogen and Oxygen

Answer

Nitrogen and Helium

Answer

Oxygen and Carbon Dioxide

Question 4

Where are stars born?

Accepted Answer

In a nebula

Answer

In a black hole

Answer

In the Photosphere

Answer

In a supernova

Question 5

What is an area of intense gravity that is so strong that not even light can escape?

Accepted Answer

Black Hole

Answer

Nebula

Answer

Supernova

Answer

Red Giant

Question 6

What determines the color of a star?

Accepted Answer

Surface Temperature

Answer

How long ago it formed

Answer

How far it is from Earth

Answer

Its size

Question 7

Which star color is the hottest?

Accepted Answer

Blue

Answer

Red

Answer

Yellow

Answer

Orange

Answer

White

Question 8

What holds all of the planets in their orbits within our solar system?

Accepted Answer

The sun's gravity

Answer

Nuclear fusion

Answer

A black hole

Answer

Photons

Question 9

Which layer of the Sun's atmosphere is cooler in temperature and is a "glowing red" in color? (Box #5)

Accepted Answer

Chromosphere

Answer

Core

Answer

Radiative Zone

Answer

Corona

Answer

Convective Zone

Question 10

Which layer of the sun is the very center of the sun where nuclear fusion occurs? (Box #1)

Accepted Answer

Core

Answer

Corona

Answer

Chromosphere

Answer

Convective Zone

Answer

Radiative Zone

Question 11

Which layer of the Sun's atmosphere is seen as a "crown-like" ring around the outside edge of the sun? (Box #6)

Accepted Answer

Corona

Answer

Chromosphere

Answer

Convective Zone

Answer

Core

Answer

Radiative Zone

Question 12

Which layer of the Sun's atmosphere is seen as the "bright light/visible surface" of the sun? (Box #4)

Accepted Answer

Photosphere

Answer

Chromosphere

Answer

Radiative Zone

Answer

Core

Answer

Convective Zone

Question 13

In the sun, what happens during nuclear fusion?

Accepted Answer

Hydrogen atoms fuse to make Helium and lots of energy

Answer

Helium atoms fuse to make Carbon and very little energy

Answer

Oxygen atoms fuse to make Hydrogen and lots of energy

Answer

Carbon atoms fuse to make Iron and lots of metal

Question 14

Which is FALSE about the sun?

(choose 1)

Accepted Answer

The sun is a red giant and is will soon become a white dwarf

Answer

The sun makes up most of the mass in our solar system

Answer

The sun is an average star that creates energy for our solar system

Answer

The sun has 5 billion years of hydrogen fuel left to fuse before it runs out

Question 15

The sun is made up of superheated gases that have a positive electrical charge! What is this stuff called?

Accepted Answer

Plasma

Answer

Nebula

Answer

Convection

Answer

Corona

Question 16

Which stage in the life cycle of a star occurs when a star runs out of hydrogen to fuse...causing it to fuse helium, get bigger, and cool down?

Accepted Answer

Red Giant

Answer

Nebula

Answer

Main Sequence

Answer

White Dwarf

Question 17

Which stage in the life cycle of a star occurs when a star runs out of helium and can no longer do nuclear fusion?

The star shrinks to its core and eventually just fades out.

Accepted Answer

White Dwarf

Answer

Nebula

Answer

Main Sequence

Answer

Red Giant

Question 18

The core of a massive star may collapse and then explode...

These "massive explosions" of stars that send elements outwards into the universe are called ________________.

Accepted Answer

Supernovas

Answer

Black Holes

Answer

Nebulas

Answer

Coronas

Question 19

What is a nebula?

Accepted Answer

A cloud of dust and gas where stars are born

Answer

A group of elements made in a star

Answer

A massive explosion of a star

Answer

An area of intense gravity that light cannot escape

Question 20

The sun is just one of billions of ______ found within the Milky Way Galaxy.

Accepted Answer

Stars

Answer

Planets

Answer

Cores

Answer

Supernovas

Question 21

An extremely hot ball of glowing gas is called a _______.

Accepted Answer

Star

Answer

Planet

Answer

Nebula

Answer

Black Hole

Question 22

The interior layer of the sun where hotter material is rising outwards, cooling, and sinking back inwards. (Box #3)

Accepted Answer

Convective Zone

Answer

Corona

Answer

Chromosphere

Answer

Core

Answer

Radiative Zone

Question 23

What process creates intense temperatures and incredible amounts of energy within the core of the sun?

Accepted Answer

Nuclear Fusion

Answer

Expansion

Answer

Convection

Answer

Radiation

Question 24

The sun, the planets and their moons, and other bodies held by the sun's gravity in their orbits...these all make up the....?

Accepted Answer

Solar system

Answer

Universe

Answer

Galaxy

Answer

Nebula

Question 25

Which star is red?

Accepted Answer

Betelgeuse

Answer

Polaris

Answer

Canopus

Answer

Vega

Answer

The Sun

Question 26

Which star is the hottest?

Accepted Answer

Vega

Answer

Polaris

Answer

Canopus

Answer

Betelgeuse

Answer

The Sun

Question 27

Which star color is the coolest?

Accepted Answer

Red

Answer

Yellow

Answer

Orange

Answer

White

Answer

Blue

Question 28

Which star is a Red Dwarf?

Accepted Answer

Proxima Centauri

Answer

Betelgeuse

Answer

Spica

Answer

Vega

Answer

The Sun

Question 29

Which star has the highest luminosity?

Accepted Answer

Betelgeuse

Answer

Spica

Answer

Vega

Answer

Proxima Centauri

Answer

The Sun

Question 30

Which star has the highest magnitude?

Accepted Answer

Canopus

Answer

Spica

Answer

Aldebaran

Answer

Proxima Centauri

Answer

The Sun

Question 31

Which star has the following characteristics?

- is yellow-orange

- has a medium to lower-medium temperature

- has above medium luminosity and magnitude

- is a bit larger and NOT in the main sequence

Accepted Answer

Arcturus

Answer

Spica

Answer

Aldebaran

Answer

Proxima Centauri

Answer

The Sun

Question 32

Which star has the following characteristics?

- is yellow-orange

- has a medium to lower-medium temperature

- has a medium luminosity and magnitude

- is a main sequence star

Accepted Answer

The Sun

Answer

Polaris

Answer

Spica

Answer

Aldebaran

Answer

Proxima Centauri

Question 33

The interior layer of the sun through which energy moves slowly outwards from the core? (Box #2)

Accepted Answer

Radiative Zone

Answer

Chromosphere

Answer

Photosphere

Answer

Convective Zone

Answer

Corona

Question 34

Correct label for Box #1.

Accepted Answer

Nebula

Answer

Planetary Nebula

Answer

Protostar

Answer

Main Sequence

Answer

Red Giant

Question 35

Correct label for Box #2.

Accepted Answer

Protostar

Answer

Planetary Nebula

Answer

Nebula

Answer

Main Sequence

Answer

Red Giant

Question 36

Correct label for Box #3.

Accepted Answer

Main Sequence

Answer

Planetary Nebula

Answer

Protostar

Answer

Nebula

Answer

Red Giant

Question 37

Correct label for Box #5.

Accepted Answer

Planetary Nebula

Answer

Protostar

Answer

White Dwarf

Answer

Main Sequence

Answer

Red Giant

Question 38

Correct label for Box #6.

Accepted Answer

White Dwarf

Answer

Planetary Nebula

Answer

Protostar

Answer

Main Sequence

Answer

Red Giant

Question 39

Constantly changing dark areas of magnetism in the Sun's photosphere. They are cooler than the surrounding areas.

Accepted Answer

Sunspots

Answer

Solar ejections

Answer

Nuclei

Answer

Fusion marks

Question 40

Areas of hot gas, charged particles, or magnetism that are blasted outwards from the Sun into space.

Accepted Answer

Solar ejections

Answer

Supernovas

Answer

Gravitational loopholes

Answer

Fusion rings

Question 41

Correct label for Box #4.

Accepted Answer

Red Giant

Answer

Planetary Nebula

Answer

Protostar

Answer

White Dwarf

Answer

Main Sequence

Question 42

What three extreme factors create the conditions that cause fusion to occur within the core?

Accepted Answer

Extreme pressure

Accepted Answer

Extreme gravity

Accepted Answer

Extreme heat

Answer

Extreme condensation

Question 43

What is created during nuclear fusion within the Sun?

(the products)

Accepted Answer

One atom of helium and lots of energy

Answer

Two atoms of hydrogen

Answer

One atom of hydrogen and lots of helium

Answer

Two atoms of carbon

Question 44

Which stage in the life cycle of a star occurs when gravity causes a dense area of gas within a nebula to become a hot, flat, spinning disk?

It occurs just before a star is born!

Accepted Answer

Protostar

Answer

Main Sequence

Answer

Red Giant

Answer

White Dwarf

Answer

Planetary Nebula

Question 45

What important process is shown in this diagram?

Warm materials rise. Cool materials sink.

This cycle is called ____________.

Accepted Answer

Convection

Answer

Expansion

Answer

Gravitation

Answer

Compression.

Question 46

The extreme gravity of the Sun constantly tries to crush it.

What equal and opposite force holds it up against gravity?

Accepted Answer

Pressure from the energy created by nuclear fusion

Answer

Black holes pulling on the Sun from all directions

Answer

The gravitational pull of all the other planets

Answer

A massive core of solid rock and metal

Question 47

Which statement about gravity is NOT true?

(choose 1)

Accepted Answer

The Earth and Sun are the only two objects in the universe that have gravity. There is no gravity in other areas of space.

Answer

Gravity is the force of attraction that exists between all objects.

Answer

The more mass an object has, the greater its gravitational pull.

Answer

The greater the distance between two objects, the weaker the gravitational force between them.

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