sound and light revision jss 2

What is refraction?

• when light bounces off an object
• when light bends
• when light draws an object

Tags

NGSS.MS-PS4-2

How does sound travel?

• in only one direction
• in waves
• it doesn't travel

Pitch is __________________.

• how loud or soft a sound is
• how high or low a sound is
• when sound comes back to you

The longer the string on an instrument, the _________ the pitch.

• lower
• higher
• softer

What causes sound?

• when the pitch is high
• when something vibrates
• when the volume is loud

What does it mean to reflect?

• bounce off
• bend
• refract
• energy

Tags

NGSS.MS-PS4-2

What does it mean to refract?

• bounce off
• to bend
• curve outward
• reflect

What happens when light hits a mirror?

• it makes a color
• it reflects
• it makes a rainbow
• it passes through

Tags

NGSS.MS-PS4-2

What happens when an object is opaque?

• all light is able to pass through
• no light is able to pass through
• some light is able to pass through
• it is black

Tags

NGSS.MS-PS4-2

How does light travel?

• in a wavy path
• in a straight path
• in a zig zag path