Sun and Stars Review

By studying spectra we have been able to determine what? (pick all correct answers)

• What the universe is made of.

• That the universe is expanding

• That our universe is inside a black hole

• The Cosmic Microwave Background throughout the universe

Tags

NGSS.HS-ESS1-2

The reaction that powers the Sun and other stars where two light nuclei merge to form a single heavier nucleus, releasing large amounts of energy is called

• Nuclear Fusion

• Nuclear Fission

• Conduction

• Radioactive decay

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Energy is produced within a star's core by the process of

• insolation

• conduction

• nuclear fusion

• radioactive decay

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

Which statement describes the general relationship between the temperature and the luminosity (brightness) of main sequence stars?

• As temperature decreases, luminosity increases

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.

Compared with our Sun, the star Betelgeuse is

• smaller, hotter, and less luminous

• smaller, cooler, and more luminous

• larger, hotter, and less luminous

• larger, cooler, and more luminous

Tags

NGSS.HS-ESS1-3

In the diagram given, what happens as we move to the left?

• Stars Get Larger

• Stars get Colder

• Stars get hotter

Tags

NGSS.HS-ESS1-3

Our sun is currently a main sequence star. All main sequence stars fuse ____ in their cores.

• helium into hydrogen

• hydrogen into helium

• helium into carbon

Tags

NGSS.HS-ESS1-1

A dark spot on the photosphere of the sun

• corona

• solar flare

• sunspot

• magnitude

During nuclear fusion in the sun, which of the following occurs?

• Atomic nuclei split apart.

• The aurora australis appears.

• hydrogen nuclei combine to produce a helium nucleus.

• A solar eclipse results

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

In order for nuclear fusion to take place in a star, which of the following must be true? (select all that apply)

• high temperature

• high pressure

• in main sequence

• in supernova

Tags

NGSS.HS-ESS1-1