mechanical vibration

Which statement best defines Mechanical Energy?

• Energy produced by a machine or moving part.

• Energy that is produced by an electrical current in a circuit.

• Energy from the sun.

• Energy that travels in waves due to vibrations.

What are the units for energy?

• Watts

• Joules

• Newtons

• meters

What is the top of the wave called?

• Amplitude
• Wavelength
• Trough
• Crest

Tags

NGSS.MS-PS4-1

Waves transfer ________, but they do not transfer _________.

• Matter, Energy
• Energy, Matter

Tags

NGSS.MS-PS4-1

What medium does sound travel through slowest?

• gas
• solid
• liquid
• trees

Why is the school library covered with carpet?

• So everyone can make a lot of noise
• to help absorb sounds to keep it quiet
• because it looks good
• to help absorb sounds so it can stay noisy

Sound travels FASTEST through which of these materials?

• Air
• Empty space
• Metal
• Water

Tags

NGSS.MS-PS4-2

What is volume?

• the loudness or softness of a sound
• vibrations
• the number of vibrations per second

the amount of energy in a sound wave

• volume

• pitch

• amplitude

• frequency

The warmer an object is, the ____________ sound will travel through it.

• faster
• slower

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4