What is it called when there is a buildup of charges on a metal object?
What is static electricity?
100
The path along which electrical charges flow
What is a circuit?
100
Like charges _________.
What is repel.
100
The power source in a flashlight is called a __________.
What is a battery?
100
Refrigerators, dishwashers, telephones, and computers have this in common:
What are things that use electricity?
200
Static electricity is caused by the movement of materials against each other, called _________?
What is friction?
200
If an electric path is broken, it is considered this kind of circuit:
What is an open circuit?
200
Opposite charges __________.
What is attract?
200
Name 1 natural form of energy that power electrical power plants?
What are nuclear, wind, or solar?
200
Having more than one pathway makes a circuit this type of circuit:
What is a parallel circuit?
300
These forms of energy build up on your body as you walk across the carpet wearing socks
What are (electrical) charges?
300
The switch in a circuit is "off". This is considered a _________ circuit.
What is a closed circuit?
300
A metal ball has an electrical charge. What will happen when it is brought near another metal ball with the same electrical charge?
What is they will repel each other.
300
Wires are often made of copper because it is a good __________ of electricity.
What is conductor?
300
Which one does not belong? Nail, pencil, wire
What is a pencil (it does not conduct electricity)
400
Static electricity makes your hair to stand up when it is charged. This is caused by a build up of which particles: protons, neutrons, or electrons?
What are electrons?
400
If you have a strand of Christmas lights that goes out when one bulb breaks, your lights are on which kind of circuit? Series or parallel?
What is a series circuit?
400
Name 2 of the 3 charges in an atom
What are proton, neutron, and/or electron?
400
Name one form of fossil fuel that you can burn to produce electricity?
What are coal or natural gas?
400
True or false. A pencil is not a conductor of electricity. Explain your thinking.
What is false. A pencil lead can conduct electricity, but the wood does not.
500
True or False. Humans are good conductors of electricity because of the salt water in our bodies.
What is TRUE?
500
A power plant uses this kind of machine to create electricity using magnets that turn to create electrical charges that are sent through the wires to our homes.
What is a generator?
500
If an atom has 4 protons, 3 neutrons, and 1 electron, what kind of charge will it have?
What is positive (+)?
500
How does electrical power reach our homes from the power the power plant?
What are wires?
500
The name of the thin wire that glows in the center of a light bulb when electrical charges flow to it?