Conductors
Distilled Water is a good conductor of electricity.
No, pure water does not conduct electricity.
Air is an insulator - true/false
true
Give two examples of electrical energy
electricity and lightning
There are two types of electricity - what are they?
What is a rope of wires called
cable
Plastic is a good conductor. True/False?
False
Materials that do not conduct heat or electricity are called.
Insulators
Hydropower is what form of energy?
water
Electricity moves at the speed of light - true/false
true
a hole in the wall connecting the plug on an appliance
wall socket
What happens if we add salt to pure water? Does it change the conductivity
Yes it does.
Materials that allow heat to pass through them are called.
thermal insulators
Can energy be transferred from one form to another?
Yes
Electricity is the flow of tiny particles called
electrons
the measurement of the power of electricity
voltage
Explain what are conductors
They are materials that allow electric current to pass through them easily.
Name 2 materials that are insulators
plastic and rubber
What energy causes vibrations
sound energy
A unit to measure the strength of electricity is called a
volt
electric shock
Name 4 conductors of electricity
copper, aluminum, gold, metal
What is the purpose of thermal insulators?
They keep people warm.
Name 3 types of energy
Movement energy, chemical energy, electrical energy, sound energy, light energy
What are the two types of charges?
Positive and Negative charges
the structure that carries cables from the power station where electricity is made to cities and towns.
Pylon