Astronomy Spectroscopy Doppler

What direction is this object moving?

• left
• right
• up
• down

What can you tell about the motion of this object?

• Moving left.
• Moving right quickly.
• Standing still. 
• Moving up slowly. 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

What is the Doppler Effect?

• A change in frequency due to the relative motion of a wave source and an observer

• When a wave overlaps with another wave

• When a wave bounces off of another object

• When a wave bends due to traveling through a different medium

Tags

NGSS.HS-PS4-1

What can the Doppler effect be experienced with?

• Water

• Any type of wave

• Sound, Pitch, and Frequency

• Frequency

Tags

NGSS.HS-PS4-1

the doppler effect causes a shift in...

• pitch

• wavelength

• frequency

• All of the above

Tags

NGSS.HS-PS4-1

What is Redshift

• Objects move away us, give off red light

• Objects move towards us, give off blue light

• Objects move towards us, give off red light

• Objects move away us, give off blue light

Tags

NGSS.HS-ESS1-2

What is Blueshift

• Objects move away us, give off red light

• Objects move towards us give off blue light

• Objects move away us, give off blue light

• Objects move towards us, give off red light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

An astronomer looks at a star in the night sky. Based on his calculations the star's light is shifting towards the color blue. What does this mean about the star?

• It's moving towards the astronomer

• It's moving away from the astronomer

• It's not moving at all

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-1

Light can change color due to the Doppler Effect.

• True

• False

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-4

What is Blueshift

• Objects move away us, give off red light

• Objects move towards us give off blue light

• Objects move away us, give off blue light

• Objects move towards us, give off red light

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3