Universe Review

What kind of star is the sun?

• white dwarf

• main sequence

• neutron star

• red giant

Hydrogen is changed into which of the following elements during nuclear fusion on the sun?

• helium

• carbon

• oxygen

• nitrogen

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

When do scientists believe that the big bang occurred?

• 13.7 billion years ago

• 13.7 million years ago

• 7 billion years ago

• 5 million years ago

Tags

NGSS.HS-ESS1-2

What type of nuclear reaction occurs inside the Sun? This allows for heat and light to radiate.

• nuclear fission

• nuclear fusion

• nuclear combustion

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

As our sun evolves, which of the following evolutionary stage will our Sun probably not become?

• red giant

• white dwarf

• black hole

• neutron star

The gas and dust found between stars in a galaxy is called

• interstellar matter

• the universe

• spiral

• a vacuum

What is the distance unit that astronomers most often measure the distance to stars in?

• miles

• meters

• light years

• paces

the sun appears to be yellow to us because of the ____.

• brightness

• temperature

• size

• distance from Earth

How can we determine the presence of something that we cannot see (like dark matter or black holes)

• using their absolute magnitude

• the spectral lines from the light that they give off

• the effect of their gravity on things near them

• the red shift from the Doppler Effect

Tags

NGSS.HS-PS2-4

I felt comfortable reading the HR diagram. I can determine if a star is hot or cold and if a star is bright or dull by looking at the chart.

• yes

• no (study the worksheet or ask me for help)