8.2 Sound waves

1. When you observed the phenomena video, what caused the window to move?

• A speaker inside the building

• A truck engine in the parking lot

• Sound blasting from the speaker in the truck

•  A truck driving by the building

Tags

NGSS.MS-PS4-1

NGSS.MS-PS3-5

NGSS.MS-PS2-5

1. What did we observe when we looked at the speaker up close?

• It was not making any sound

•  It was moving back and forth

• It was connected to the truck

• It was making a loud noise

What happens when a force is applied to a part of an object?

• The object changes color

• The object bends or deforms

• The object becomes heavier

• The object stops vibrating

1. What type of energy transferred to the object when a force is applied?

• Sound

• Heat

• Light

• Energy

Tags

NGSS.MS-PS3-5

What happens when an object stops vibrating? (NOTE: vibrations cause sound)

•  It stops making sounds

• It becomes heavier

•  It changes shape

• It moves faster

What causes objects to vibrate more when making sounds?

• A smaller force

• A greater force

• No force at all

• The temperature

Tags

NGSS.MS-PS4-1

How do louder sounds compare to softer sounds?

• Louder sounds have more energy

• Louder sounds have less energy

•  Louder sounds don't vibrate

• Louder sounds are higher in pitch

Tags

NGSS.MS-PS4-1

What happens to the vibration of an object when a smaller force is applied?

•  It stops vibrating

• It vibrates more

• It vibrates less

•  It changes direction

Tags

NGSS.MS-PS4-1

Which of the following is NOT a characteristic of louder sounds?

• More energy

• Higher pitch

•  Greater vibration

•  Lower volume

What is the relationship between the energy of a sound and its volume?

• They are not related

• They are inversely related

• They are directly related

• They have no effect on each other

Tags

NGSS.MS-PS4-1