Classify the materials if it is conductor or insulator.

Which solid materials can transfer heat and electricity easily?

Why are metals good conductors of electricity?

Ductile materials like copper, aluminum and gold are conductors of heat and electricity. Why?

Which does not allow heat and electricity to transfer to other materials?

Why is copper a good conductor of electricity?

Why is a severe electric shock dangerous?

Which of the following effects illustrate when a person suffers severe electric burn?

Which of the following is a negative effect of heat?

Which of the following effects illustrate when a solid material change into liquid?

Which effects illustrate when the material expands when heated?