Light & Sound Waves

When you can't see through something

• Opaque
• Transparent

• Translucent

When you can see a little bit through something.

• Opaque

• Translucent

• Transparent

When you can completely see through something.

• Opaque

• Transparent

• Translucent

What does pitch mean?

• How loud something is

• How high or low a sound is

• To understand each other

• When light shines on an object.

Which will best reflect light rays?

• Waxed paper

• A glass jar

• A mirror

Tags

NGSS.MS-PS4-2

Which one is an example of a natural light source?

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Tags

NGSS.MS-ESS1-1

What is an example of an artificial light source?

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Tags

NGSS.MS-ETS1-1

What does it mean to communicate?

• When light shines on an object

• The space made when two straight lines meet

• To understand each other.

• Does not let sound through.

Tags

NGSS.MS-PS4-3

What is a receiver?

• A straight line that goes on in both directions.

• Something that gets information during communication.

• To bounce light off an object.

• A line with no bends or curves.

What does vibration mean?

• A very fast back-and-forth motion.

• How soft or loud a sound is.

• A pattern of light

• A dark area that forms when an object blocks light.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2