Sound is caused by? 

• force
• vibrations
• instruments

What is vibration?

• how loud a sound is
• the back and forth movement of matter
• how high or low a sound is
• the loudness or softness of a sound

Tags

NGSS.MS-PS4-1

What is frequency?

• the number of vibrations per second
• how high or low a sound is
• the loudness or softness of a sound
• the back and forth movement of matter

Tags

NGSS.MS-PS4-1

Sound is a form of? 

• energy
• pitch
• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

What is volume?

• how high or low a sound is
• the loudness or softness of a sound
• the number of vibrations per second
• vibrations

When a rainbow is formed outside naturally, what causes the light to refract?

• A. Small raindrops
• B. Sunlight rays
• C. Tiny mirrors
• D. Glass prisms

Tags

NGSS.MS-PS4-2

Which explains why the fork looks different under water?

• light can't pass through the glass
• the wavelength of light lengthens
• the amount of light increases when going through water
• light is refracted at an angle

Tags

NGSS.MS-PS4-2

Smooth surfaces _______ a lot of light.

• reflect
• bend
• absorb
• twist

Tags

NGSS.MS-PS4-2

Another name for light bending is ....

• Reflaction
• Absorbing
• Refraction
• mirror

Tags

NGSS.MS-PS4-2