Electricy

Which energy change takes place in a microwave oven?

• electrical energy to heat energy

• light energy to heat energy

• heat energy to light energy

• sound energy to electrical energy

If Mario pushes the button by his front door, the doorbell rings inside the house.

What kind of energy is used to create the sound of the doorbell?

• light

• heat

• electrical

• chemical

• chemical to heat

• electrical to solar

• electrical to light

• chemical to light

• toaster, oven, and radio

• oven, stove, and toaster

• television, radio, and toaster

• radio, stove, and television

A student wants to make a model to show the transformation of electrical energy to motion and heat energy. Which object is best to use in the model?

• bulb

• camera

• hair dryer

• toaster oven

• block set

• globe

• lamp

• toy bus

James constructs a model circuit. When James flips a switch on the circuit, an electrical current begins to move through each device in the circuit along a single, sequential path.

Which type of circuit has James constructed?

• open circuit

• parallel circuit

• series circuit

• short circuit

Which component of a complete circuit creates the electric current that flows through the circuit?

• battery

• light bulb

• switch

• wire

• part A

• part B

• part C

• part D

• W

• V

• U

• T