Electricity and Magnetism Review

Open Ended

What is static electricity and how is it created?

Fill in the Blank

Objects can have a ___ or negative charge.

Multiple Choice

Which of the following statements about static electricity is true?

• It can be controlled by humans.

• It is created by friction.

• It is a type of current electricity.

• It does not involve charged particles.

Open Ended

Explain how opposite and like charges interact with each other.

Multiple Choice

What is static electricity and how is it created?

• Electricity created by batteries

• Electricity created by rubbing objects (friction)

• Electricity controlled by humans

• Electricity from solar panels and comes from the sun

Fill in the Blank

Objects with opposite charges ___ each other.

Multiple Choice

What is current electricity?

• The flow of electric charges through a wire

• The storage of electric charges

• The conversion of electric charges into light

• The reflection of electric charges

Multiple Choice

What are the essential components of a closed circuit?

• Pathway, Insulator, Powersource, Load, Switch

• Pathway, Battery, Light, Fan, Wire

• Conductor, Insulator, Battery, Light, Switch

• Wire, Plastic, Battery, Bulb, Fan

Multiple Choice

What are some examples of good conductors that are not metals?

• Lemon juice, vinegar, salt solutions

• Plastic, rubber, glass

• Wood, air, dry leaves

• Paper, cloth, sand

Fill in the Blank

Copper is a popular conductor because it is a good conductor and much less expensive than metals like ___ or ___.

,

Open Ended

Why are most wires wrapped in plastic?

Open Ended

How does an insulator differ from a conductor in terms of electric charge flow?

Multiple Choice

What materials do magnets attract?

• Iron, nickel, cobalt

• Copper, silver, gold

• Plastic, wood, glass

• Aluminum, zinc, lead

Open Ended

What is a magnetic field and where is it strongest?

Multiple Choice

Where are magnets the strongest?

• At the poles of the magnet
• Evenly throughout the magnet
• At the edges of the magnet
• In the center of the magnet

Multiple Choice

Which of the following statements about permanent magnets is true?

• They can be turned off.

• They always have a magnetic field.

• They do not have any uses.

• They are made of non-magnetic materials.

Multiple Choice

What is an electromagnet?

• A permanent magnet

• A temporary magnet made from a coil of wire

• A magnet that cannot be turned off

• A natural magnet

Open Ended

Explain the key differences between electromagnets and permanent magnets.

Fill in the Blank

The interaction between magnets and electricity is called ___.