Conductors and Insulators
⭐ MasteredMaterials that let heat or electricity pass through easily are conductors. Materials that slow it down are insulators, such as wool and rubber.
Metal pans are conductors, while plastic and wood handles are insulators.
All about Conductors and Insulators
Conductors let heat or electricity pass through easily, such as metals. Insulators slow down the flow of heat or electricity, such as wool, plastic and rubber.
Cooking pans have metal bodies for conduction and plastic handles to stay cool.
Metals such as copper, iron and aluminium are good conductors, which is why saucepans have metal bases and electric wires contain copper.
Clothes made of wool keep you warm because they trap air, which is a poor conductor of heat. Electrical wires are covered in plastic so that the electricity stays inside the wire and does not shock you.
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Real-life uses of Conductors and Insulators
- Choosing materials for kitchen pans and handles
- Covering electrical wires with plastic
- Making warm clothes from wool
Frequently asked questions about Conductors and Insulators
What is a conductor?
A conductor is a material that lets heat or electricity flow easily through it.
Why are plastic handles used on pans?
Plastic is an insulator, so it does not carry heat to your hand.