Energy
What is the ability to do work?
The ability to do work or cause change is called energy.
What is the height of a wave called?
The height of a wave is known as its amplitude.
What happens in the "Dancing Sugar" experiment?
The sugar or rice jumps due to sound wave vibrations
. Which of the following is NOT a basic form of energy discussed in the unit?
A. Light energy
B. Chemical energy
C. Sound energy
D. Heat energy
B. Chemical Energy
What causes sound?
Vibrations cause sound.
Describe what happens to a marble's energy down a track.
As the marble rolls down, its potential energy at the top changes into kinetic energy as it moves fast
What happens to potential energy as it falls?
It converts to kinetic energy.
Which type of wave moves particles back and forth?
Longitudinal wave.
Give an example of energy changing forms.
Example: When you turn on a flashlight, electrical energy is changed into light energy.
What is the transfer of thermal energy through direct contact?
This is called conduction.
What is reflection of light?
It is when light bounces off a surface.
What is an example of light refraction?
How the straw "bends" in water.
What device converts sunlight to electrical energy?
Solar cell
What is refraction?
when light bends as it passes from one medium to another.
What is an example radiation, convection, conduction?
Responses will vary.