Waves

Waves

100

What is the top of a wave called?

Crest

200

What is the bottom of a wave called?

Trough

300

As wavelength increases, frequency______

Decreases

400

As wavelength decreases, frequency____

Increases

500

Name the type of waves that come from the Sun

Electromagnetic waves

Electromagnetic Spectrum

100

These waves have the longest wavelength

Radio waves

200

These waves have the shortest wavelength

Gamma Rays

300

Electromagnetic radiation is energy that travels in waves. Which statement is true for all forms of electromagnetic radiation?   

a.All forms of electromagnetic radiation travel at the same speed.

b.All forms of electromagnetic radiation have the same frequency.

A

400

Josie is making a chart to show some of the ways electromagnetic waves can be used. Which of the following should she not include on her chart?

a.A telescope uses gamma rays to detect distant galaxies.

b.A navigation system uses radio waves to determine position.

c.A battery is used to store electricity from a wind generator.

d.A TV remote control uses infrared waves to change the channel.

C

500

Do EM waves require a medium to travel through?

No, they can travel through empty space (a vacuum).

Sound

100

Sound waves need _______to travel.

A medium

200

Can sound travel through a vacuum? (Empty space)

No, they can not travel without particles to vibrate

300

Which does not affect the speed of sound?

a. Temperature

b. Color

c. Density

d. Pressure

Color

400

A whistle is blown underwater and in the air. Which medium does the sound travel fastest through?

Water

500

It is 95 degrees F out, will sound travel faster or slower than when it is 32 degrees F out?

faster

Visible light

100

When white light shines through a prism, the white light is broken apart into the colors of the visible light spectrum. Name all the colors.

ROY G BIV

200

All the colors of the rainbow make up ______

White light

300

Properties of a wave might change when it moves from one medium to another. What happens to the speed of a light wave when it moves from a gas to a solid?

a.It speeds up.

b.It slows down.

c.It remains the same.

d.It speeds up and then slows down.

B

400

When white light hits a Blue object, what color light reflects?

Blue

500

Black objects __________all colors 

Absorb

Light Interactions

100

When you look in the mirror, you see a ___________

Reflection

200

What is shown above?

A. Reflection 

B. Refraction

C. Absorption

B

300

What is shown above?

A. Reflection 

B. Refraction

C. Absorption

A

400

This boat is...

A. Translucent

B. Opaque

C. Transparent

C

500

Draw an example of absorption on the board

An arrow pointing to a surface