Sound Waves and Communication

Counting the number of troughs of sound waves that pass every second is measuring what part of a wave?

• Amplitude

• Wave height

• Wave frequency

• Wavelength

Which part of the plant as the primary function of creating food?

• Roots

• Fruits

• Flowers

• Leaves

Tags

NGSS.MS-LS1-6

When someone or something makes a sound in the room, how are the sound waves similar to ripples on a pond? 

• Sound waves are similar to ripples on a pond because they look similar and they both spread outwards. 
• Sound waves are similar to ripples on a pond because they look similar and spread inwards.

Tags

NGSS.4-PS4-1

What is wavelength?

• How high or low a pitch is.
• How loud a sound is.
• The length of a wave.

Tags

NGSS.4-PS4-1

 A high sound has a ______ sound wave.

• long
• short

A low sound has a _________ sound wave 

• long
• short

Tags

NGSS.MS-PS4-1

_____is the highness or lowness of a sound (but not how quiet or loud the sound is).

• Volume
• Frequency
• Pitch

_______is back-and-forth movement of something. 

• Vibration
• Sound
• Pitch

Tags

NGSS.4-PS4-1

Vibrations go through your ear to your _______________ and cause your ear drum to ________________.

• ear drum; shatter
• retina; vibrate
• ear drum; vibrate

Highest point of a wave

• crest
• trough
• wavelength
• frequency