Review for mechanical, sound, and electrical energy

What form of energy is used to make a toy car move?

• Gravity

• Thermal Energy

• Solar Energy

• Mechanical Energy

Magnet A attracted 18 paperclips. Magnet B attracted 12 paperclips. Which magnet is stronger?

• Magnet A

• Magnet B

Why are wires coated with plastic?

• Plastic conducts the electric current

• Plastic insulates the electric current

• The plastic allows the wire to bend

• The plastic acts as a switch

Which of the following provides the ENERGY for a circuit?

• wire

• switch

• battery

• light bulb

What is the role of the wire in a circuit?

• turning the light bulb on

• producing energy for the light

• carrying the electric current

• charging the electrical energy

Which of the following would NOT produce sound?

• tapping a door

• walking on dry leaves

• Opening an old door

• Pencil sitting on a desk

What force is responsible for causing a soccer ball to stop rolling?

• Gravity

• Magnetism

• Pushing the car

• Friction

Which is true about conductors?

• Can be made from wood

• Stops energy from passing though

• Allows energy to pass through

• Creates energy

What force causes a ball to fall to the floor?

• Magnetism

• Mass

• Friction

• Gravity

When you hit drums with a drum stick, it creates a noise because

• it loses mass

• it vibrates

• it grows

• it is magnetic