Mechanical Energy
Scientists define _____ as the ability to do work.
Energy
The energy created by charged particles moving in a closed circuit is called what?
Electrical Energy
Light energy travels in _____ and allows us to see.
Waves
____ occurs with a surface that allows transmission but slows down the light waves.
Refraction
Mechanical Energy is....
A. The built up energy of an object
B. The energy of an object due to its motion
C. The outside force applied to an object
D. The total force of an object in motion
B. The energy of an object due to its motion
What three things are needed to create a simple closed circuit?
(Point value tripled, 600 points)
A. A power source
B. A wire
C. A conductor
D. A load
E. An insulator
A, C, and D
Name an example of light energy.
Answers vary
Name a example of refraction......?
(Point value tripled, 600 points)
Answers vary.
straw bent in water, twinkling stars, mirage, light bending in a prism
A push or a pull that creates or changes motion is called what?
Force
A closed circuit will power the load until the battery runs out.
A. The load
B. The light
C. The switch
D. The thing-a-ma-jig
A. The load
Light waves travel in a _____ line until they encounter something.
Straight
When light energy bounces off an object in an organized way, and on a smooth and shiny surface it is an example of what?
Reflection
How fast an object will move depends on the ____ of the object and the amount of _____ applied
Mass and force
A _____ allows you to “open” the circuit to stop the flow of electrons.
Switch
If light encounters a transparent surface it can pass through a surface without interruption. This is called what?
Transmission
An example of reflection that is not a mirror is what.....?
Answers vary?
______ is a force between two objects in contact.
Friction
An example of a conductor is a..........?
Response varies
Name an example of transmission that is not a window.
Plastic bag, glass of water
What type of light energy occurs with an opaque surface, and light energy is transferred to the surface material.
Absorption