What is potential energy?
Energy that is stored and waiting to be used
What are materials called that allow electric currents to flow through them?
Conductors
Energy
What is the path through which an electric current flows?
A circuit
Light travels through space in a form called _______.
Rays
What is kinetic energy?
Energy that is in motion.
What are materials that do not allow electric currents to flow through them?
Insulators
Students rolled toy trucks rolled small, medium and large steel balls down a ramp.
The smaller ball traveled a distance that was _______ (more/less) than the large ball.
Less
What are the 3 components of a basic circuit?
1. Battery (or power source)
2. Wires (conductor)
3. Light bulb (or motor)
Light _____ off an object and travels to your eye.
Reflects
What is force?
Moving or changing the location of an object from one place to another
Is metal a conductor or insulator?
Conductor
Students rolled small, medium and large toy trucks down a ramp.
The lower the starting position, the ______ (more/less) distance the truck will roll.
Less
In a basic circuit, what is the source of energy?
A battery
What are the high points of a wave called?
Peaks
________ is the pull that makes a moving object slow down and stop moving.
Friction
Is plastic a conductor or insulator?
Insulator
True or false? Slower speed during a collision means there will be more energy transfer.
False
What is a closed circuit?
A circuit where energy can flow continuously and all the parts are touching in a loop.
What are the low points of a wave called?
Troughs
What is the push or pull that makes something move or be put into motion?
Force
Why are conductors needed in a circuit?
They allow energy to flow through the circuit
In a collision, some energy is transferred into _____ and _____.
Light and Sound
When a light is off, is the circuit open or closed?
The amount of energy in a wave