Energy
A student is constructing an electrical circuit. Which of the following can provide energy for the circuit?
a battery
The type of energy a circuit always starts off with is ________________ energy.
Electrical
This controls the flow of electricity and can turn it on or off
switch
Some students test a plastic spoon as a connector in an electrical circuit. Electricity does not flow in the circuit. Plastic is most likely...
an insulator
The path that electricity can move through
circuit
a light bulb transfers electrical energy into what other two types of energy
heat and light
current does not flow easily through this a poor conductor which is also called a
resistor
Which material will best conduct electricity? A. plastic B. rubber C. wood D. silver
D. silver
Name 1 examples of an energy source.
Battery electric generator
The temperature of an object depends on its size. True or false
false
this part of a light bulb is a resistor
filament
If you connect the wires of an electric circuit to a piece of jewelry why would the lightbulb in the circuit still turn on?
Because the jewelry is made of something that can conduct electricity.
Explain how a switch works in an electrical circuit.
When the switch is on the circuit is closed so electricity can flow. When the switch is off the circuit is open so electricty cannot flow.
in order for electricity to flow in a circuit there must be a
complete path
Name two conductors
metal pan, metal paper clip
Mrs. Swary wants to make an electric circuit but she is fresh out of copper wire. What is 1 other household items that she could use in place of wire to carry the electricity to the load?
silverware metal necklaces steel wool keys aluminum foil etc.
how is heat transfered?
from where it is warmer to where it is cooler
The type of heat the sun gives off
radiation
Why do electricians use wire that is coated in plastic when they are making new circuits?
This is because the wire can be dangerous to handle and can shock humans if they handle it when the circuit is on. The plastic coating helps to protect the electricians and us!