GYM3 Doppler

Long sound waves are...

• high pitched
• low pitched
• medium pitched

Tags

NGSS.HS-PS4-1

Short sound waves are...

• high pitched
• low pitched
• medium pitched

Tags

NGSS.HS-PS4-1

When the car moves AWAY from you, its horn seems...

• Low pitched
• High pitched
• Normal

Tags

NGSS.HS-PS4-1

When an ambulance move TOWARD you it sounds ________ pitched. 

• high
• low
• medium

Tags

NGSS.HS-PS4-1

The Doppler effect occurs when an observer moves towards a wave-making source. 

• True
• False

Tags

NGSS.HS-PS4-1

The Doppler effect is seen when a wave-making source moves toward an observer. 

• True
• False

Tags

NGSS.HS-PS4-1

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

What do the light waves of a galaxy that is moving AWAY from us look like?

• red shifted
• blue shifted
• green shifted
• yellow shifted

Tags

NGSS.HS-ESS1-2

You stand on the sidewalk next to the street. A fire truck is moving towards you. The frequency of the siren on the fire truck is 600 Hz.

What should you hear?

• Frequency higher than 600 Hz

• Frequency lower than 600 Hz

• Exactly 600 Hz

• No sound, silence.

Tags

NGSS.HS-PS4-1

You stand on the sidewalk next to the street. A fire truck is away from you. The frequency of the siren on the fire truck is 600 Hz.

What should you hear?

• Frequency higher than 600 Hz

• Frequency lower than 600 Hz

• Exactly 600 Hz

• No sound, silence.

Tags

NGSS.HS-PS4-1