Day 13 Earth and Space

What process fuels stars?

• Combustion

• Nuclear fusion

• Photosynthesis

• Evaporation

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What element is primarily fused in stars to produce energy?

• Helium

• Oxygen

• Hydrogen

• Carbon

Tags

NGSS.HS-ESS1-1

How are stars classified?

• By their size and shape

• By their temperature, mass, brightness, and composition

• By their distance from Earth

• By their age

What is the only star in our solar system?

• Alpha Centauri

• Betelgeuse

• The Sun

• Sirius

What is the final stage of a sun-like star?

• Black hole

• Neutron star

• White dwarf

• Red supergiant

What is the term for a large cloud of gas and dust in space?

• Nebula

• Comet

• Asteroid

• Meteor

What stage follows a red giant in the life cycle of a star?

• Protostar

• Planetary nebula

• Black hole

• Neutron star

What is the main factor that determines the life cycle path of a star?

• Its color

• Its mass

• Its distance from Earth

• Its temperature

Tags

NGSS.HS-ESS1-1

In the Hertzsprung-Russell diagram, what is the relationship between a star's brightness and temperature?

• Brighter stars have higher temperatures

• Brighter stars have lower temperatures

• Dimmer stars have lower temperatures

• There is no relationship

What is the main sequence in the Hertzsprung-Russell diagram?

• A group of the oldest stars

• A phase where most stars begin their life cycles

• A collection of the hottest stars

• A region with the dimmest stars