Vocabulary
What is Energy?
Electricity
100
The ability to cause change in matter, or the ability to do work is...
ENERGY
100
This image is an example of what kind of energy?
Mechanical
100
Which particle of an atom is positively charged?
Proton
200
What is kinetic energy?
The energy an object has because of its motion; the energy of motion
200
What kind of energy is produced by vibrations?
Sound
200
Two objects with the same charge will do what?
Repel eachother
300
What is potential energy?
The energy an object has because of its position; the energy it has when it has the potential to move, or is just sitting
300
What kind of energy is produced by the movement of electrons?
Electrical
300
A light bulb converts electrical energy into which of the following?
A. light only
B. heat only
C. heat and light
D. light and motion
C. heat and light
400
What is chemical energy?
Energy stored in matter that can be released through chemical reactions
400
What kind of energy travels in both waves and straight lines, and is visible to our eyes?
Light Energy
400
Which particle in an atom has a negative charge?
Electron
500
What is mechanical energy?
The total energy of motion and position; kinetic + potential
500
What kind of energy does this image show?
Thermal
500
A material that allows an electric current to flow through it is an electrical conductor. A materials through with an electric current cannot flow easily is called an insulator.
Which claim best describes the difference between an insulator and conductor?
A. An insulator has a static charge and a conductor does not.
B. A conductor contains more electrons than an insulator.
C. A conductor is a metal and an insulator is any materials that is not a metal.
D. An insulator does not have electrons that are free to move, and a conductor does.
D. An insulator does not have electrons that are free to move, and a conductor does.