What happens to a star when it runs out of hydrogen fuel?

It swells into a red giant or red supergiant

It becomes a black hole immediately

It collapses into a neutron star

Explain why massive stars have shorter life spans than smaller stars.

They burn through their fuel faster.

They have weaker gravitational forces.

They are further from the main sequence.

What is the significance of the Hertzsprung-Russell diagram in classifying stars?

It organizes stars based on luminosity and temperature.

It predicts the motion of stars in a galaxy.

It determines the chemical composition of stars.

It identifies stars that will form black holes.

How do stars transition from the main sequence to the red giant phase?

Helium fusion begins, and the core contracts while the outer layers expand.

The star's mass decreases significantly.

The star ejects all its outer layers at once.

The core becomes a white dwarf immediately.

Which stars are most likely to end their lives as black holes?

Massive stars greater than 20 solar masses

Medium-sized stars like the Sun

Stars in the main sequence phase

What occurs during a supernova explosion?

A star's core collapses and outer layers are ejected.

A white dwarf becomes a red giant.

Hydrogen fusion begins in the core.

Compare the life cycles of low-mass and high-mass stars, highlighting their differences.

High-mass stars evolve more quickly and may become black holes, while low-mass stars evolve slowly and end as white dwarfs.

Both have the same life cycle but at different rates.

High-mass stars skip the red giant phase.

Low-mass stars always explode into supernovas.

Why is the Sun unlikely to form a black hole at the end of its life cycle?

Its mass is not large enough to create a gravitational collapse into a black hole.

It is not located near a galaxy's center.

It will not leave the main sequence phase.

Its core temperature is too high.

Evaluate how changes in temperature affect the placement of stars on the Hertzsprung-Russell diagram.

Cooler stars shift right and down.

Temperature does not affect placement.

Predict the long-term impact of star formation on the composition of a nebula.

The nebula's gas will be used up, leaving little material for new stars.

The nebula will gain mass from nearby galaxies.

The nebula will expand and create more massive stars.

The nebula’s gas will remain unchanged.

How might a Hertzsprung-Russell diagram look different for a star cluster composed of older stars?

It would show stars concentrated in the red giant and white dwarf regions.

It would lack any main sequence stars.

It would show more stars in the upper left corner.

It would display stars only in the blue and white dwarf region.

Life Cycle of Stars Review Questions

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-ESS1-3, HS-ESS1-1

Standards-aligned

Justin T Jones

Used 2+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first stage in the life cycle of a star?

White dwarf

Red giant

Supernova

Stellar Nebula

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which process marks the birth of a star?

Explosion of a supernova

Gravitational collapse of a nebula

Formation of a white dwarf

Collision of galaxies

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final stage of a small to medium-sized star like our Sun? (Black dwarves are theoretical)

White dwarf

Red giant

Black hole

Neutron star

What type of star is the Sun classified as?

Red giant

White dwarf

Main sequence

Supernova

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What force is responsible for the formation of stars from a nebula?

Magnetic force

Gravitational force

Nuclear force

Frictional force

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two properties are compared on the Hertzsprung-Russell diagram?

Brightness and age

Temperature and luminosity

Size and distance

Mass and density

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a red giant?

A young star with high luminosity

A dying star that expands and cools

A collapsed core of a massive star

A dense star emitting radio waves

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Life Cycle of Stars Review Questions

20 questions

What is the first stage in the life cycle of a star?

Which process marks the birth of a star?

What is the final stage of a small to medium-sized star like our Sun? (Black dwarves are theoretical)

What type of star is the Sun classified as?

What force is responsible for the formation of stars from a nebula?

Which two properties are compared on the Hertzsprung-Russell diagram?

What is a red giant?

Where are main sequence stars located on the Hertzsprung-Russell diagram?

What happens to a star when it runs out of hydrogen fuel?

What determines if a star will end as a black hole or a white dwarf?

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