Show:
properties of waves
waves
magnets
electric current
interactions of lights
100
What is the unit of frequency?
What is the time required for one cycle.
100
Waves transfer _____ from one place to another.
What is energy
100
describe a magnet.
What is any material that attracts iron
100
The rate of flow of electric charge is known as...
What is electric current
100
The three ways matter interacts with light is it can...
What is transmit, absorb, and reflect light
200
What is the definition of a wave period?
What is the time required for one cycle
200
Define medium.
What is the material through which waves travel
200
The area surrounding a magnet where magnetic forces can be detected is the definition of what?
What is magnetic field
200
Electric current is expressed in...
What is amperes
200
Radio waves and x-rays are two examples of...
What is electromagnetic waves
300
Waves travel faster in ____ than in liquids.
What is solids
300
State two ways waves can be classified
What is direction and what is distributed
300
Magnets can push or pull due to their ____
What is poles
300
In a direct current, the charges move in...
What is the same direction
300
A light that includes all colors is called...
What is white light
400
What is the formula to calculate wave speed?
What is frequency x wavelength
400
Define mechanical waves
What is a wave that requires a medium
400
2 forces in nature that can act at a distance include....
What is gravity and electrostatic force
400
Composition, thickness, and temperature are all examples of what?
What is the factors that affect resistance
400
The transfer of light energy to matter is known as...
What is absorption
500
How can density affect the speed of a wave?
What is the density of the medium
500
visible light is an example of what?
What is a wave that can transfer energy without a medium
500
Materials that can be turned into a magnet are known as...
What is ferromagnets
500
Resistance is expressed in what?
What is ohms
500
The bouncing of light off a surface is known as...
What is reflection