How are sound waves produced? (a)  

• compressions
• rarefactions
• movement
• vibrations

What do waves carry? (a)  

• matter
• particles
• energy
• time

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is it when two compressions overlap making a higher amplitude? (a)  

• constructive interference
• destructive interference
• pass interference
• wave interference

Tags

NGSS.MS-PS4-1

What is the result of two waves overlapping? (a)  

• reflection
• diffraction
• refraction
• interference

High frequency waves have (a)   waves lengths.

• longer
• bigger
• smaller
• shorter

What is the bending of waves around a barrier? (a)  

• reflection
• refraction
• diffraction
• absorption

Low frequency waves have (a)   wave lengths.

• longer
• bigger
• shorter
• smaller

Tags

NGSS.HS-PS4-1

What is the process of using sound waves to find objects, like prey and food? (a)  

• sonar
• echolocation
• ultrasound
• reflection

What type of waves are sound waves? (a)  

• longitudinal
• electromagnetic
• transverse
• sound

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The part of the waves where the particles are tightly packed together is called (a)   .

• crest
• trough
• compressions
• rarefactions