Unit 3A: EMS, Sun, Solar System, Star Spectra Review

Which of the following element(s) is/are shown in the example star? (Select all that apply

• hydrogen

• helium

• sodium

• magnesium

• iron

Tags

NGSS.HS-ESS1-3

A star's spectrum contains spectral lines from neutral calcium, neutral iron, and neutral magnesium. What would its surface temperature be?

• >25,000 K

• 11,000-25,000 K

• 6,000-7,500 K

• 5,000-6,000 K

• 3,500-5,000

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3

Which element is NOT in the spectrum shown?

• Hydrogen

• Helium

• Magnesium

• Calcium

Tags

NGSS.HS-PS4-3

Which two element make up most of the sun?

• helium and hydrogen

• ammonia and methane

• hydrogen and oxygen

• oxygen and helium

Tags

NGSS.HS-ESS1-1

When the wavelength of light is decreased, the frequency _____________.

• increases
• decreases
• stays the same
• increases, then decreases

Tags

NGSS.HS-PS4-1

If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...

• Moving towards the Earth

• Moving away from the Earth

• This is a trick question that cannot be answered

• It isn't a star, it is a very large blueberry.

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

Which color has the highest energy?

• red
• yellow
• green
• blue

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What is the composition of the unknown spectra?

• helium
• carbon
• hydrogen

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Review the picture below. Which type of shift do you observe for the star?

• redshift
• blueshift
• no shift

Tags

NGSS.HS-ESS1-2

​ (a)   stars are the hottest and​ (b)   stars are the coolest.

• Blue
• red
• white
• orange