Show:
General
Sound/Energy
Mechanical
Light
Other
100
the ability to cause changes in matter
What is energy
100
Sound energy need ___________in order to travel
What is matter?
100
a material which does not carry electrons
What is an insulator?
100
the light energy that bounces off objects
What is a reflection?
100
the transfer of heat as a result of the mixing of a liquid of a gas
What is convection
200
the energy in motion or the energy in use
What is kinetic energy
200
the energy an object has because of where it is or because of its condition
What is potential energy
200
a material that resists the flow of electrons
What is a resistor?
200
a piece of clear material that bends, or refracts, light ray passing through it
What is a lens?
200
the amount of space that an object takes up.
What is volume?
300
the charge obtained by an object when it gains or loses electrons
What is an electric charge
300
an element of sound determined by the speed which sound waves move
What is pitch?
300
A magnet made with wires and electric current.
What is an electromagnet?
300
a form of energy that can travel through empty space or through some kinds of matter
What are light rays?
300
the average kinetic energy of all the molecules in an object
What is temperature?
400
The attraction or repulsion between electric charges.
What is an electric force
400
a spinning top, a rolling bicycle, a flying airplane, and flowing water
What are examples of mechanical energy?
400
the transfer of thermal energy by electromagnetic waves
What is radiation?
400
the bending of light rays when they pass through a substance
What is refraction?
400
the transfer of thermal energy from one substance to another
What is heat?
500
The flow of electrons
What is electric current
500
about 340 m/sec. (about 1100 ft/sec.)
What is the speed of sound?
500
the principal that energy can't be created or destroyed
What is the Law of Conservation of Energy
500
rays that start at a source such as the sun and travel in a straight line until they strike something such as earth.
What is light?
500
the direct transfer of heat between objects that touch
What is conduction?