WorksheetsUnit 10 Lesson 5 How Do We Use Electricity?
Total questions: 8
Worksheet time: 7mins
A light bulb converts electrical energy into which of the following?
light only
light and motion
heat and light
heat only
Many appliances in your home and school use electrical energy. Which of these appliances is intended to convert electrical energy into sound energy?
printer
refrigerator
electric fan
radio
The illustration below shows one kind of generating station that uses coal to produce electrical power.
Which kind of energy conversion occurs in the generator?
heat energy into electrical energy
energy of motion into electrical energy
electrical energy into energy of motion
electrical energy into heat energy and energy of motion
This illustration shows some of the parts of an electric power grid.
At which part of this grid is electrical energy produced from other types of energy?
substation
distribution line
transmission lines
generating station
The picture below shows a device made of a battery, a nail, and a long piece of copper wire. It converts electrical energy into a different form of energy.
Which term below describes the device in the illustration?
electric switch
electromagnet
electric motor
electric generator
Which of these generating stations uses a renewable source of energy?
coal plant
nuclear power plant
natural gas generator
hydroelectric generator
What is the name for a machine that changes electrical energy into energy of motion?
electric switch
electromagnet
electric motor
electric generator
How are a generator and an electromagnet alike? How are they different?
