Ch. 26.1 - The Sun

Ch. 26.1

The Sun

Multiple Select

Select each sentence that is true about nuclear fusion in the sun.

• Less massive nuclei combine into more massive nuclei.

• The end product of fusion is hydrogen.

• Fusion is a type of chemical reaction.

• Hydrogen nuclei fuse into helium nuclei.

Multiple Choice

True or false? The sun remains stable because the inward pull of gravity balances the outward push of thermal pressure from nuclear fission.

• True

• False

Multiple Select

Select each layer of the sun’s interior.

• The radiation zone

• The convection zone

• The photosphere

• The core

Multiple Select

Select each way that energy moves through the sun.

• gravity

• convection

• radiation

• nuclear fusion

Multiple Select

Select each layer of the sun’s atmosphere.

• photosphere

• chromosphere

• corona

• core

Open Ended

When can the corona be seen?

Multiple Choice

Which feature of the sun is being described in this sentence?

spectacular features of the sun’s atmosphere that occur near sunspots

• solar flares

• prominences

• sun spots

• gravitational waves

Multiple Choice

Which feature of the sun is being described in this sentence?

Areas of gas in the atmosphere that are cooler than surrounding areas

• solar flares

• prominences

• sun spots

• gravitational waves

Multiple Choice

Which feature of the sun is being described in this sentence?

Sudden releases of energy that produces X-rays and hurl charged particles into space

• solar flares

• prominences

• sun spots

• gravitational waves