Exploring Conductors and Insulators: Key Concepts and Examples

What type of materials allow electricity and heat to flow through them easily?

• Insulators

• Semiconductors

• Conductors

• Non-metals

Which material is known for being a good conductor of both heat and electricity?

• Plastic

• Copper

• Wood

• Rubber

What is the only common metal that is liquid at room temperature and used in thermometers?

• Iron

• Gold

• Mercury

• Aluminium

Which of the following is not a conductor?

• Silver

• Graphite

• Ceramic

• Gold

In a simple electrical test, if a bulb lights up when connected to an object, what does it indicate?

• The object is broken

• The object is a conductor

• The object is an insulator

• The object is a semiconductor

Which of the following materials is used to separate conductors and insulators in an experiment?

• Glass containers

• Plastic containers

• Wooden containers

• Metal containers

Why are electrical wires covered in plastic?

• For flexibility

• To insulate from electricity

• To increase conductivity

• For color coding

Which gas is a poor conductor of heat, making it a good insulator?

• Oxygen

• Carbon dioxide

• Nitrogen

• Air

Tags

NGSS.MS-PS3-3

What is the best conductor of electricity?

• Silver

• Gold

• Copper

• Iron

Tags

NGSS.HS-PS1-3

Why is silver not commonly used for electrical wiring despite its high conductivity?

• It is too soft

• It is too expensive

• It is not durable

• It is not available in sufficient quantities