What type of material is a conductor?
Metal
What are the two poles of a magnet?
North and South
What must be applied to an object to make it start, stop, or change direction?
A force
The sun, food, wax, wood, etc.
Water, sound, and light all travel in . . .
Waves
Examples would be paper, plastic, or wood.
An insulator
What happens when opposite poles meet?
They attract
What is the name for stored energy? (Energy of position)
Potential energy
What is the definition of energy?
In a sound wave, the amplitude shows the _________.
Volume (loud/soft)
What was the energy source for a lightbulb circuits we built?
D-Cell
What happens when like (north and north or south and south) poles meet?
They repel
What is the name for energy in motion?
Kinetic
What is the term for when light bounces back?
Reflect
In a sound wave, the frequency shows the _______.
Pitch (high/low)
If the lightbulb can turn on, is the circuit open or closed?
Closed
What is created when you combine electricity and magnetism?
An electromagnet
Two cars are pushed down a ramp, starting at the same position. One car has a greater mass than the other. Will it win or lose the race?
Win. (It will be faster.)
What is the term for when light bends?
Refract
In a light wave, the amplitude shows the ________.
Brightness/intensity
In which type of circuit would each lightbulb have its own pathway of electicity?
Parallel circuit
What materials stick to magnets?
Iron and steel
When dropped, objects fall toward the earth. This is called __________.
Gravity
What are the four ways we can observe energy transer?
Light, heat, sound, motion
In a light wave, the frequency determines the _______.
Color