Quiz#6

Reflection occurs when a wave ____.

• strikes an object and bounces off of it.

• causes ripples in a pool of water.

• compresses air particles as it travels.

• bends and chances speed as it travels.

The process in which two waves overlap and form a new wave is called______.

• wave joining

• interference

• refraction

• diffraction

What does a wave carry from place to place?

• energy

• matter

• people

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NGSS.MS-PS4-1

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Which wave is pictured?

• Transverse
• Longitudinal
• Both
• Neither

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NGSS.HS-PS4-1

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

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NGSS.MS-PS4-2

What is interference?

• When two or more items arrive at the same time.

• the blocking of waves.

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Refraction occurs because waves ___________.

• move through different mediums at different speeds

• cannot pass through some mediums

• spread out around obstacles

• cancel one another out

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NGSS.HS-PS4-1

Which of the following is an example of diffraction?

• A straw in a glass of water appears to be split.

• Water waves bend around a rock in a river.

• Sound echoes off a canyon wall.

• Light waves pass through a window.

If the crests of two waves join up exactly, their ___________.

• frequencies are decreased

• troughs cancel each other out

• wavelengths change

• amplitudes are added

Tags

NGSS.HS-PS4-1

Two waves come together and interact to form a new, smaller wave.  This process is called

• destructive interference
• constructive interference
• reflective interference
• positive interference