Week 4 - Light waves and sound waves

Which of the following is not an example of a mechanical wave?

• Light wave

• Sound wave

• Water wave

• Seismic wave

The light we can see. 

• visible
• gamma
• ultraviolet

Can travel through matter (gas, liquid, solid) and empty space. 

• sound
• light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The highest point on a wave

• trough
• amplitude
• crest
• wavelength

Tags

NGSS.MS-PS4-1

In a well lit room, your pupils will _____________________. 

• dilate
• shrink
• change color
• not change color

Tags

NGSS.MS-LS1-8

What does refract mean?

• To shrink
• To bend
• To widen
• To enlarge

Tags

NGSS.MS-PS4-2

Powerful energy, made in nuclear explosion and in stars. 

• gamma
• x-ray
• visible

Tags

NGSS.HS-ESS1-1

NGSS.HS-PS1-8

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

Tags

NGSS.MS-PS4-2

• Reflection
• Refraction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which letter represents wavelength?

• A
• B
• C
• D

Tags

NGSS.MS-PS4-1