Doppler Effect

Which of these statements describes a way scientists can study an object in space regardless of its distance from Earth?

• a. A spacecraft is sent to visit and analyze matter from

  the object.

• b. Scientists collect and analyze matter from the object

  that reaches Earth.

• c. A telescope in orbit concentrates electromagnetic

  radiation from the object, and a spectrograph or other

  instrument is used to analyze the EM radiation.

• d. A telescope on the ground concentrates

  electromagnetic radiation from an object that gives

  off only x-rays.

Tags

NGSS.MS-PS4-2

Long sound waves are...

• high pitched
• low pitched
• medium pitched

Tags

NGSS.MS-PS4-1

Short sound waves are...

• high pitched
• low pitched
• medium pitched

Tags

NGSS.MS-PS4-1

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

• Low pitched
• High pitched
• Normal

When an ambulance move TOWARD you it sounds ________ pitched. 

• high
• low
• medium

Tags

NGSS.MS-PS4-2

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

• True
• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What can you tell about this object's motion?

• Moving to the North (up).
• Moving to the South (down). 
• Moving to the West (left). 
• Moving to the East (right). 

What can you tell about the motion of this object?

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

In the Doppler Effect Lab, we mostly observed changes in what?

• Velocity
• Wavelength
• Shape
• The Mouse Clicks

Tags

NGSS.HS-PS4-1

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

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

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3