Stars and The Sun Review Lesson

Stars and The Sun Review Lesson

UNit 2.2 + 2.3 Study each slide before attempting the following question.

Multiple Choice

When a nebula condenses and takes on a shape it is called:

• a red supergiant

• a black hole

• a white dwarf

• a protostar

Multiple Choice

Main sequence stars are made primarily of which elements?

• Hydrogen only

• Helium and Carbon

• Carbon and Iron

• Hydrogen and Helium

Multiple Choice

Our sun is currently in what star stage?

• Protostar

• Nebula

• Main Sequence

• Red Giant

Multiple Choice

A black hole is black because:

• there is nothing in it

• it is too small to see

• it is inherently evil

• even light cannot escape its gravity

Multiple Choice

One possible outcome that is left after a supernova is a super dense core called a:

• Neutron Star

• White Dwarf

• Red Giant

• Black Dwarf

Multiple Choice

When a Red Giant's outer atmosphere drifts away it is now known as:

• planetary cloud

• White dwarf cloud

• planetary nebula

• expanding nebula

Multiple Choice

After a supernova, the core can collapse into a neutron star, or if massive enough it can become a:

• Black Hole

• White Dwarf

• Red Supergiant

• Black Dwarf

Multiple Choice

When the core of a Red Supergiant collapses, a bright event occurs, known as:

• white dwarf

• supernova

• big bang

• black hole

Multiple Choice

When a massive star begins to cool and expand it is known as a:

• Black Dwarf

• Red Giant

• Red Supergiant

• White Dwarf

Multiple Choice

When the core of a Red Giant collapses it becomes a:

• White Dwarf

• Supernova

• Red Supergiant

• Black Hole

Multiple Choice

Once star has ignited and has used up all of the hydrogen are called:

• Neutron Star

• White Dwarfs

• Red Giants

• Black Holes

Multiple Choice

A star is born when:

• nuclear fusion starts

• a nebula becomes a protostar

• gases in a nebula condense

• hydrogen is used up in fusion processes

Multiple Choice

Stars are formed from big clouds of gas and dust is known as:

• dust cloud

• space fog

• neutron clouds

• nebulae

Multiple Choice

The color index of a star provides information about that star’s

• age
• luminosity
• absolute magnitude
• temperature

Multiple Choice

The effective temperature of a star is related to its...

• solar system
• luminosity
• absolute magnitude
• color

Multiple Choice

Absolute magnitude is defined as...

• the brightness of an object in space, measured as if you’re 10 parsecs away from the object.
• Total energy emitted by a space object per unit time.
• the brightness of an object in space, as it appears from Earth
• the color of an object in space, described on a number scale.

Multiple Choice

The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

Multiple Choice

Which category is our Sun located in?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Multiple Choice

Compared to the rest of the stars, our sun is considered...

• Extremely Large and Cold
• Small with a medium temperature
• Medium size with medium temperature

Multiple Choice

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Multiple Choice

Which of these stars is hottest?

• Red Star
• Yellow Star
• Orange Star
• Blue Star

Multiple Choice

What are the outer layers of the Sun?

• The Sun has only inner layers.

• Photosphere, Chromosphere, and Corona.

• Core, Radiative zone, and Convection zone.

• Crest, Corona, Mantle.

Multiple Choice

What are the inner layers of the Sun?

• Core, Radiative zone, and Convection zone.

• Crust, mantle, and core.

• Core, Photosphere, and Radiative Zone.

• The Sun doesn't have inner layers.

Multiple Choice

Where does nuclear fusion occur?

• Space
• Radiation Zone
• Photosphere
• The Core

Multiple Choice

What is the sun mostly made up of

• Helium
• Core
• Carbon
• Hydrogen

Multiple Choice

What layer can be seen here?

• chromosphere
• corona
• photosphere
• core

Multiple Choice

When we look at the sun, what layer are we viewing?

• photosphere
• chromosphere
• corona
• convection zone

Multiple Choice

In which area of the sun does gas rise as it heats up, then fall back down as it cools?

• the core
• the radiation zone
• the convection zone
• the corona

Multiple Choice

The middle layer of the sun's interior that contains very tightly packed gas is called the _____________.

• photosphere
• chromosphere
• radiation zone
• convection zone

Multiple Choice

Energy is created in the core when two _____________ atoms join together to form a ______________ atom.

• helium, hydrogen
• carbon, hydrogen
• nitrogen, helium
• hydrogen, helium

Multiple Choice

Nuclear fusion is when

• the nuclei of two atoms join to produce lots of energy

• the nuclus of a large atom splits to release lots of energy

Multiple Choice

The number of observed sunspots, prominences, and flares increases in a cycle that occurs about every ____ years.

• 31

• 20

• 15

• 11

Multiple Choice

Energy released from _________ can cause damage to the International Space Station, disrupt radio and electrical transmissions on Earth, and cause Auroras in the skies near the North and South Poles

• Sunspots
• Solar Flares
• Prominences
• Corona