Mechanical Waves

What is a wave?

• A disturbance that transfers energy from place to place

• A sound in the air

• A type of particle

• A form of light

Tags

NGSS.MS-PS4-1

What is required for mechanical waves to travel?

• A medium

• Magnetism

• A vacuum

• Electricity

Tags

NGSS.MS-PS4-2

What type of wave moves the medium perpendicular to the direction of the wave?

• Longitudinal wave

• Transverse wave

• Seismic wave

• Surface wave

What are the highest parts of a transverse wave called?

• Rarefactions

• Compressions

• Crests

• Troughs

In a longitudinal wave, what are the areas where the particles of the medium are spread apart called?

• Compressions

• Troughs

• Crests

• Rarefactions

What is the unit of frequency?

• Watt

• Meter

• Second

• Hertz

What happens during refraction of waves?

• They disappear

• They split into two

• They bounce back from a surface

• They bend as they enter a different medium

Tags

NGSS.MS-PS4-2

What is constructive interference?

• When waves destroy each other

• When waves combine to make a smaller amplitude

• When waves combine to make a larger amplitude

• When waves pass through each other without interaction

Tags

NGSS.MS-PS4-1

What are seismic waves produced by?

• Sun

• Earthquakes

• Water

• Wind

What type of seismic waves cannot travel through liquids?

• Primary waves

• Longitudinal waves

• Secondary waves

• Surface waves

Tags

NGSS.MS-PS4-2