This is what sound needs to travel through.
A medium
This type of energy allows us to see.
Light Energy
Astronauts use this to communicate in space.
Radio
Energy of movement is called this.
Kinetic Energy
A fire truck siren is an example of this type of energy.
Sound Energy
Sound travels in this form?
Light travels as tiny ______ of energy.
Particles
Space is called this because it has very little matter.
Energy that is saved for later is called this.
Stored Energy
Flashing lights are an example of this type of energy.
Light Energy
This causes sound to be produced.
Vibrations
True or False: Light needs a medium to travel
False
Why can't people hear each other in space?
There is no air/medium
A pom-pom launcher changes stored energy into this.
Energy of Motion
Kinetic Energy
To stop a drum from making sound, you must stop this.
Vibrations
Sound travels fastest through this type of matter.
Solids
Light can travel through this place where sound cannot.
Sound travels through solids, liquids, and ______.
When energy changes from one type to another, it is called ________.
Transformation
Sound travels fastest in solids, slower in liquids, and slowest in ________.
Gases
This is why sound cannot travel through space.
There is no medium (vacuum)
Name one example of light energy you use every day.
Sun
Light Bulb
ETC
Explain what would happen if you shouted in space?
No one would hear it
Give an example of energy being transferred.
Hitting a drum
Making sound
Explain the difference between sound and light energy.
Sound needs a medium to pass through but light does not need a medium.