Electrical Current
_______________ is the ability to move an electric charge from one point to another
Electrical Potential Energy
_____________ is an electrical property of matter that creates electric and magnetic forces and interactions
Electric Charge
When light moves from a material with a higher speed to a lower speed, it bends _____________ the normal. If light moves from a lower speed to a higher speed, the ray is bent ____________ from the normal
Toward, Away
___________ is an image that forms at a location from which light rays appear to come but do not actually come.
Virtual Image
What is Radiant energy?
Electromagnetic Energy
_____________ is the opposition posed by a material or a device to the flow of current
Resistance
Materials in which charges can move freely and can carry an electric current are known as a __________________
Conductor
Parker walks into a room void of all light. He cannot see anything. Then green light turns on all over the room. He sees what appears to be a lemon, but its color is off. Help explain to Seth, he is confused.
The lack of white light leads to certain light rays not being sent into the room, therefore you only see certain colors the same as normal
If a surface is rough, light striking the surface will be reflected at all angles. This reflection in random directions is known as:
Diffuse Reflection
Which of the following does the sun put off that helps humans get vitamin D, but also can cause skin cancer?
Ultraviolet Rays
_____________ is the rate at which charges move through a conductor
Current
Materials that don’t transfer current easily are known as a __________________
Insulator
What effect do we call light separating into different colors because of wave speed. Hint: It happens in Prisms and Rainbows
Dispersion
What are the additive primary colors?
Red, green and blue
Which of the of the following is true of a light wave and not of a sound wave?
It does not need a medium to travel through
V = ?
I = 120
R = 5
600 volts
An _______ is a region in space around a charged object that causes a stationary charged object to experience an electric force
Electrical Field
True or False: In the visible color spectrum, all of the colors fall between two colors (in regards to wavelength). The two colors they are between are Orange and Indigo.
False
What is an imaginary line running in the direction that light travels.
Light Ray
Gamma rays are generally looked at as a more dangerous wave type, but what is their positive application?
They can be used in cancer treatment
V = 500
I = ?
R = 20
25 amps
Fill in the Blank: Electrical force is ______________ to the charge of the object, while being ___________________ to the distance between objects
Proportional, Inversely Proportional
We have talked a lot on how the eye sees different colors. Though it involves multiple other parts of your eye, the one part that Mr. Grim pointed out that sorts the color and light (and then sends the signals along nerves to your brain) are called:
Rods and Cones
The Law of Reflection states:
The angle of incidence equals the angle of reflection
What is the relationship between frequency, wavelength and energy?
As the frequency goes up, the wavelengths go down and the energy goes up