Astro 10: The Sun

For a star, the sun's size can be considered...

• exceptionally large

• fairly large

• average

• fairly small

• exceptionally small

The sun is _____ through its life cycle.

• almost

• about halfway

• little over three quarters

• around a quarter through

• hardly

Hydrogen nuclei combining to form helium is referred to as nuclear

• fusion

• fission

• fallout

• decay

• armageddon

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

The Sun's fusion reaction began with its birth, about ...

• 1 million years ago

• 200 million years ago

• 1.5 billion years ago

• 4.6 billion years ago

• 5 billion years ago

Tags

NGSS.HS-ESS1-1

What accounts for the "missing" mass during nuclear fusion?

• It was released as free electrons during fusion.

• It was released as a free neutron.

• It was released as energy.

• It was annihilated.

• There is no missing mass.

Tags

NGSS.HS-PS1-8

A large, bright feature extending outward from the Sun's surface

• Flares

• Star

• Prominence

Tags

NGSS.MS-ESS1-1

The second gaseous layer of the Sun's atmosphere; has a reddish color

• Chromosphere

• Radiation Zone

• Photosphere

• Convection Zone

Tags

NGSS.MS-ESS1-1

A sudden eruption of radiation from the surface of the Sun

• Prominence

• Solar Flare

• Suns Core

Tags

NGSS.MS-ESS3-2

What is the sun mostly made up of

• Helium
• Core
• Carbon
• Hydrogen

The number of Sunspots cycles from a few at high latitudes to many at lower latitudes. The number Sunspots varies with a cycle lasting…

• 5 years

• 9 years

• 11 years

• 15 years

Tags

NGSS.MS-ESS1-1