It automatically turns off the current when a circuit is overloaded
200
You have a light bulb, wire, and a paper clip. You use these items to make a circuit? What additional item must you have to make the circuit work?
battery
200
What energy transformations occur when you use an electric stove?
Electrical energy and thermal energy
300
When you use a solar calculator, how does the device get power?
The solar or light panel on the calculator gets its power from light or sun.
300
What is a parallel circuit?
has more that one path to follow
300
In a parallel circuit, if one path stops working what happens to the other path?
It continues to work
300
You have an electric circuit with a battery, a switch, and 2 light bulbs and it only has one path. What type of circuit is it?
series circuit
300
What happens if there is too much current traveling through a wire?
the wires become hot
400
What supplies do you need to complete a circuit?
battery, wire, light bulb, switch
400
Wire has a plastic coating on it. Why must the plastic coating be removed before the wire can be used in a circuit?
so that the electric current can pass between the wire and the other parts of the circuit
400
You have a circuit. The circuit switch is open. What will happen to the light bulb if you close the switch?
the light bulb will start glowing
400
Which item would be the best choice to use to complete a circuit?
metal coin, glass bead, plastic straw, or wooden toothpick
metal coin
400
What is a circuit?
a path that electric charges can flow through
500
If you plug in a hair blower and it won't turn on, what can you assume is wrong?
The hair blower was plugged into an open circuit.
500
Why are conductors covered with insulators?
Protect you from getting shocked or electrocuted.
500
What happens if circuit is overloaded?
If a circuit has too any electric charges going to it, the circuit breaker or fuse will open. Once it opens no more electric currents will flow and the loop is broken. Circuit breakers and fuses automatically turn on to prevent a fire.
500
If there are multiple items on an electric circuit, what happens when the switch is closed?
All of the items on the circuit will come on.
500
What is the difference between an open and a closed circuit?
Open Circuit: a circuit that has an incomplete path, (switch is open or there is a break somewhere in the path)
Closed Circuit: a circuit that makes a complete loop and has no breaks