Unit F

What is an Electromagnetic wave?

• Transverse wave that involves disturbances in electric and magnetic fields

• a wave that involves energy

• electromagnet energy that goes through waves

• energy waves

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

A Decibel is a unit of measurement for sound

• true

• false

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The characteristics of waves are

• energy, speed, sun

• energy

• amplitude, speed, energy and rays

• speed, amplitude, wavelength, and frequency

Water and light are transverse waves

• True

• False

Tags

NGSS.MS-PS4-1

Transmission is

• light that bounces off mirrors

• energy passing through something

• energy getting adsorbed

• light going through something

Tags

NGSS.MS-PS4-2

Th definition of a wave is

• light and energy traveling through something or an object

• a maximum displacement

• energy traveling

• a disturbance that repeats regularly and transmits energy from one place or another

Tags

NGSS.MS-PS4-1

What level of sound does a person become at risk for hearing loss?

• 90 decibels

• 120 decibels

• 80 decibels

• 30 decibels

What is wavelength?

• the distance from one point on a wave to the same point on the next wave

• the length of the wave

• a wave that has a short length

Tags

NGSS.MS-PS4-1

Longitudinal waves are

• when the particles of the medium move perpendicular to the wave direction

• when the particles all separate

• when the particles of the medium are compressed together

• when the particles of the medium move parallel to the wave direction

Frequency is

• the number of sound decibels every minute

• the number of vibrations every second

• sound and energy in objects

Tags

NGSS.MS-PS4-2