G5 Q4 SCI STATIC ELECTRICITY

What are conductors?

• Materials that block electricity and heat

• Materials that allow electricity and heat to flow freely

• Materials that only allow heat to flow

• Materials that only allow electricity to flow

Which of the following is an example of a conductor?

• Plastic

• Rubber

• Copper

• Wood

What are insulators?

• Materials that allow heat and electricity to pass through them

• Materials that are non-conductors and do not allow heat and electricity to pass through them

• Materials that only allow heat to pass through them

• Materials that only allow electricity to pass through them

Which of the following is an example of an insulator?

• Metal

• Rubber

• Water

• Copper

Which material is NOT an insulator?

• Plastic

• Wood

• Glass

• Metal

Why are copper wires widely used for electrical wiring?

• They are colorful.

• They are ductile and good conductors of electricity.

• They are cheap.

• They are heavy.

Which metals are good conductors of both heat and electricity?

• Copper and aluminum

• Gold and silver

• Steel and aluminum

• Iron and wax

What is stainless steel made of?

• Copper and zinc

• Iron and chromium

• Aluminum and nickel

• Silver and gold

Why are cooking pots and pans often made of metals?

• They are colorful.

• They are easy to break.

• They allow quick heat transfer.

• They are very light.

Why is it important to know how a material conducts heat and electricity?

• To make better food

• To protect ourselves from electrical hazards

• To improve our math skills

• To learn a new language