Checkpoint 6 Review

Which diagram shows an "Open Circuit"?

• A
• B

Which diagram shows a "Closed Circuit"?

• A
• B

Rubber, plastic, and wood are examples of -

• Static Electricity
• Insulators
• Conductors
• Electromagnets

A fan transforms electrical energy into-

• Mechanical Energy (Motion)
• Light Energy (Radiant)
• Thermal Energy (Heat)

A toaster transforms electrical energy into-

• Mechanical Energy (Motion)
• Thermal Energy (Heat)
• Light Energy (Radiant)

Sometimes clothes from the dryer will cling to you. Why?

• Magnetism

• Static Electricity

• Resistance

Which of the following creates static electricity?

• Taking a bath

• Plugging a power cord into the wall outlet

• Rubbing your feet on the carpet

To make an electromagnet, a conductor should be coiled around —

• a glass tube
• an iron nail
• a roll of paper
• a wooden stick

In this picture, the iron filings show the shape of the magnetic —

• axis
• core
• field
• pole

A fifth-grade class constructed this circuit. Which of these objects most likely made the light glow when connected to points X and Y?

• Plastic straw
• Cotton string
• Aluminum foil
• Rubber eraser