Unit 7: Stars review

What is our Sun's classification?

• F1

• G2

• B0

• A1

Tags

NGSS.HS-ESS1-1

Which layer of the sun is the hottest?

• Core

• Convection Zone

• Corona

• Photosphere

Tags

NGSS.HS-ESS1-1

How long does it take gamma rays to escape the Radiation Zone?

• Milliseconds since speed of light.

• 10 minutes or so

• 100000 years

• It never escapes; is trapped forever.

Which layer of the sun do we see?

• Photosphere

• Corona

• Core

• Convection Zone

Tags

NGSS.MS-ESS1-1

What do we call the feature at D?

• Prominence

• Flare

• Filament

• Sunspot

What do we call the feature at B?

• Prominence

• Flare

• Filament

• Sunspot

Which stage of a star's life cycle is the longest?

• Nebula

• Main sequence

• Red giant

• Planetary nebula

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the first stage of a star's life cycle; when a contracting mass of gas first begins to form a star?

• Nebula

• White dwarf

• Main sequence

• Protostar

Tags

NGSS.HS-ESS1-3

What stops the gravitational collapse of a star?

• Minions

• Nuclear fusion

• Rotational forces

• Protoplasm

Tags

NGSS.HS-ESS1-1

Stars use fusion to convert elements into heavier elements. When a star runs out of which element will it begin to collapse?

• Hydrogen

• Helium

• Calcium

• Iron

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3