Show:
Sound Waves
Sounds and Matter
Electromagnetic Waves
Light Waves
Color of Light
100
shout near a hard surface, and you can hear this
What is echo?
100
A whistle has a high frequency and a __________ pitch.
What is high?
100
2 examples of electromagnetic waves
What is (any 2) radio, tv, infrared rays, ultraviolet rays, or light?
100
You can see your reflection on an ___________ surface because the light waves bounce off at the same angle.
What is even?
100
What colors make up the spectrum of white light?
What is red, orange, yellow, green, blue, indigo, and violet?
200
how loud or soft a sound is
What is volume?
200
sounds waves move like this
What is "in all directions"?
200
the only visible electromagnetic wave
What is light?
200
Glass and clean water are ___________ materials.
What is transparent?
200
The color of light depends on ________ and frequency.
What is wavelength?
300
responsible for sound
What is a vibration?
300
sound waves move only through...
What is a medium or matter or solids, liquids, and gases?
300
Electromagnetic waves are different from sound waves because they have their own ___________
What is electrical and magnetic energy?
300
Light waves cannot travel through this type of material.
What is opaque?
300
This type of light has the longest wavelength and lowest frequency.
What is red light?
400
our ears hear these
What are sound waves?
400
Sound waves move most quickly through this...
What is a solid?
400
We can't see most electromagnetic waves because their _________ and wavelengths are too low or too high.
What are frequencies?
400
This type of matter lets some light pass through it, but the waves break up and move in different directions, so you can't see all the way through it.
What is translucent?
400
________ light is all different wavelengths of visible light together.
What is white light?
500
how fast or slow a sound or light wave moves
What is frequency?
500

Which sounds have higher frequency, low or high pitch sounds?

What is high?

500

Unlike sound waves, electromagnetic waves can travel through ____________.

What is empty space?

500
The bending of light is ....
What is refraction?
500
In the __________, there is no visible light, so objects appear to have no color.
What is dark?