4th grade waves

__________travel in a straight line until they collide with something.

• sound waves

• light rays

• mechanical waves

• electromagnetic waves

_____________is a regular pattern of motion that is caused by a disturbance.

• wave

• ray

Tags

NGSS.MS-PS4-1

A type of wave that vibrates and sends waves of energy through a medium to our ears.

• electromagnetic

• light

• sound

• ocean

Tags

NGSS.MS-PS4-2

Light is a special kind of energy called_________________energy.

• nuclear

• thermal

• mechanical

• electromagnetic

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Any code that uses just two symbols to represent information.

• binary code

• dietary code

• secret code

_______________________materials do not allow light to pass through them.

• opaque

• translucent

• transparent

Tags

NGSS.MS-PS4-2

______________material allows light rays to completely pass through without being blocked.

• opaque

• transparent

• translucent

Tags

NGSS.MS-PS4-2

_______material allows some light to pass through it, but it is scattered.

• opaque

• transparent

• translucent

Tags

NGSS.MS-PS4-2

Which color has the shortest wavelength?

• red

• violet

• blue

• green

Which has the longest wavelength?

• red

• violet

• blue

• green