4th Grade Electricity....after for higher grade

Which object is the best conductor of electricity?

• A ceramic mug.

• A plastic fork.

• A penny.

• A wooden craft stick.

What form of energy is being used when a person pushes heavy boxes across the floor?

• Electrical Energy

• Mechanical Energy

• Heat Energy

• Sound Energy

A girl turned the light off and went to bed. She remembered she had accidentally left her glass of ice water on the counter. When she got up the next morning, the ice had melted.

What form of energy caused the ice to melt?

• Sound Energy

• Light Energy

• Thermal Energy

• Mechanical Energy

A student created an electrical circuit. Which of the following statements is true about the circuit?

• The electrical circuit is working.

• The electrical circuit is open.

• The electrical circuit is complete

• The electrical circuit is closed.

A teacher drew a Venn diagram on the board.

Which of the terms belongs only in the Conductor section of the Venn diagram?

• Can be made from wood.

• Stops energy from passing through it

• Allows energy to pass through it.

• Is made from matter

All of the following are examples of thermal energy EXCEPT the energy produced by

• rubbing your hands together

• a hot plate boiling water

• plugging in a portable radio

• burning wood in a fireplace

Why is the paper clip attracted to the nail in this picture?

• the electricity flowing through the wire creates a magnetic field

• because the battery

• because of the electricity from the battery

• because the battery is a magnet

On a windy day, a student flew a kite in an open field. What type of energy is used to fly a kite?

• Electrical Energy

• Mechanical Energy

• Sound Energy

• Thermal Energy

A bell was placed by the cash register in a busy store. Customers tap the bell to ring it when they are ready to pay for their purchases. Which type of energy do customers use to ring the bell?

• Sound Energy

• Electrical Energy

• Light Energy

• Mechanical Energy

Which form of energy makes the room brighter when a lamp is switched on?

• Sound energy

• Electrical energy

• Chemical energy

• Light energy