Out of the following list, which of these is a nonrenewable source of energy: coal, hydroelectric, solar, or wind
What is coal?
100
A light bulb converts electrical energy into which two forms of energy.
What is heat and light?
100
If you walk on the floor and receive a shock when you touch the doorknob, what is the charge on the doorknob if your hand has a negative charge?
What is a positive charge?
100
Which of the following is a conductor: staple, rubber band, popsicle stick, plastic cup
What is a staple?
200
A device in which electric current is used to produce magnetism.
What is an electromagnet?
200
What kind of energy does a thermometer measure?
What is thermal energy?
200
What energy transformation takes place when you make toast.
What is electrical energy to heat energy?
200
What effect will one positive charge have on another positive charge?
They will repel each other (even if they do not touch).
200
Which of the following is an insulator: video game case, paper clip, penny, nail
What is a video game case?
300
A device that makes an electric current by converting kinetic energy to electrical energy.
What is a generator?
300
What is the type of energy you receive from the food you eat?
What is chemical energy?
300
When you use an electric mixer to mix cake batter, the beaters turn quickly and the mixer makes noise and becomes warm. What three forms of energy are you changing electrical energy into?
What is motion, heat and sound?
300
Which type of circuit has only one path for the electrons to flow?
What is a series circuit?
300
What device is created from a battery, a nail, and a long piece of copper wire?
What is an electromagnet?
400
Energy that an object has because of its position or its condition.
What is potential energy?
400
If you push down a toy with a spring inside it, what type of energy would the toy have if you held the spring down?
What is potential energy?
400
Which of the following would be an example of using chemical energy to create kinetic energy? Flying a kite, using gasoline to run an engine, using a magnet to pick up a nail, or turning on a light switch
What is using gasoline to run an engine?
400
What type of circuit has more than one path for electrons to flow?
What is a parallel circuit?
400
What is the purpose of a circuit breaker in a house?
What is to prevent an unsafe flow of electricity through the circuit?
500
The total energy of motion and position of an object.
What is mechanical energy?
500
What type of energy only occurs when something is in motion?
What is kinetic energy?
500
Describe the energy change demonstrated by playing your CD player.
What is electrical energy to sound energy?
500
What is the purpose of the wire coating on an electric wire?
What is to insulate the current in the wire from people or objects?
500
In a circuit with a battery, wire, switch, and a light bulb, which type of circuit will allow the light bulb to turn on--a closed circuit or an open circuit?