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10 questions
What are insulators?
materials that let electrical current to flow freely through it
materials that do not let electrical current to flow freely through it
materials that cannot be heated
materials that take shorter time to be heated
What are some examples of insulators?
rubber
wood
iron
plastic
What are some examples of static electricity?
when you get a shock from touching someone
a lit lamp
a running remote control car
a bolt of lightning
What are needed to make a complete closed circuit?
buzzer, bulb, switch
battery, buzzer, bulb
battery, bulb, wires
switch, bulb, wires, buzzer
Electricity happens when ... move from one place to another.
battery
light
electrons
electromagnet
What is an electron?
the negatively charged particles in an atom
electricity that creates magnet
particles in atom with a charge of positive electricity
a type of insulator
What is a battery?
a power source that gives out electricity
a device for making and breaking the connection in an electric circuit
a flexible metal thread to connect parts of an electric circuit
a beeper or an audio signaling device
What are some examples of conductors?
gold
copper
iron
rubber
How do electrons move in an electric circuit?
from positive terminal to negative terminal
from negative terminal to positive terminal
from positive terminal to positive terminal
from negative terminal to negative terminal
What will happen to the light bulb if we open the switch in a closed circuit?
it will be broken
it will turn off
it will turn on
it will make sound
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