Astronomy 2: What Is the Sun Like?

The Sun’s ____________ holds the planets in orbit in our Solar System.

• magnetic field
• gravity
• solar wind

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Huge loops of reddish gas that extend out from the Sun's chromosphere are called:

• prominences

• solar flares

• coronal loops

• solar wind

Intense bursts of energy on the Sun that occur when built-up electromagnetic energy is released are called _________________

• solar winds

• coronal outburst

• solar flares

• auroras

The feature shown here is a cooler region in the Sun's photosphere.

• solar flares

• solar prominences

• sun spots

• aurora

The energy from the Sun is created by a process called:

• nuclear fission

• nuclear fusion

• nuclear reaction

• nuclear core

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

• helium, hydrogen

• carbon, hydrogen

• nitrogen, helium

• hydrogen, helium

The middle layer of the Sun's interior where energy is transferred by electromagnetic waves.

• photosphere

• chromosphere

• radiation zone

• convection zone

An area of the Sun where gases rise and fall as energy is transferred by flowing gases.

• the core

• the radiation zone

• the convection zone

• the corona

When charged particles from the sun enter into Earth's atmosphere, this happens:

• an aurora

• a super nova

• fusion

• a solar flare

How old is the Sun?

• 4.5 million years

• 13.5 billion years

• 4.5 billion years