Science- Communication through Light and Sound

How does sound travel?

• Through the wall

• Through water only

• Through solids, liquids and gases

• Through the air only

Tags

NGSS.MS-PS4-2

Tarsiers commumicate at a pitch almost...

• 5 times higher than humans

• 60,000 Hz

• 20,000 Hz

• 3 times higher than humans

Tags

NGSS.MS-LS1-8

What are sources of light you can see in your classroom or out the window? (2 answers)

• computer screen

• the door closing

• lights in ceiling

• the wall shaking

How do humans use light to communicate?

• lights on the porch

• light from the window

• light from the ceiling

• stop lights

Molecules make up...

• nothing at all.

• EVERYTHING!!!

• only things we can hear.

• only things that vibrate.

Tags

NGSS.MS-PS1-1

How does light travel?

• all over

• in a circle

• in a straight line

• it does not travel at all

Tags

NGSS.MS-PS4-2

What kind of sound would you hear if you sneezed in outer space?

• no sound at all

• soft sound

• loud sound

• neither loud or soft, but you will hear it

Which animal use their head to communicate?

• African demon mole rat

• tarsiers

• whales

• praire dog