Astronomy Review

What best describes the doppler effect?

• An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
• When sound changes pitch
• When light changes color
• An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.

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

Tags

NGSS.HS-PS4-1

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

• Moving towards the Earth
• Moving away from the Earth

Tags

NGSS.HS-ESS1-2

Which discovery(ies) came from our understanding redshift/ blueshift?

• The universe is expanding
• Most galaxies are moving away from us
• Andromeda galaxy will collide with the Milky way in 3.75 billion years
• All of the above (and many more)

Tags

NGSS.HS-ESS1-2

What is the Hertzsprung-Russel Diagram?

• A map which tells the approximate location of stars in the Milky Way galaxy and their distance from Earth.
• A table that alphabetically lists stars by name and includes dates of when the star was first charted.
• A chart which organizes stars into categories based on the amount of Hydrogen they burn.
• A graph used to classify stars according to their luminosity, color, temperature, and stage.

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which star is considered a supergiant?

• Sirius B
• Sun
• Betelgeuse
• Van Maanan's Star

Tags

NGSS.HS-ESS1-3

Which star is considered a main sequence star?

• Vega
• Betelgeuse
• Pollux
• Van Maanan's Star

Tags

NGSS.HS-ESS1-3

Felix examined several photos of stars. To compare their temperatures, he looked at the colors of the stars. He organized the photos in order from coolest to hottest. Which of these answers shows the correct order?

• red, yellow, white, blue
• white, blue, yellow, red
• yellow, white, blue, red
• blue, yellow, white, red

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What kind of spectrum is this?

• absorption spectrum
• emission spectrum

Tags

NGSS.HS-PS4-3

What kind of spectrum is this?

• absorption spectrum
• emission spectrum

Tags

NGSS.HS-PS4-3