WorksheetsLesson 01 - 9th Grade
Total questions: 21
Worksheet time: 11mins
What device is it?
Computer
Smartphone
Television
What is the input energy?
Chemical energy
Mechanical energy
Electrical energy
What is the output energy?
Chemical energy, Mechanical energy, and electrical energy
Mechanical energy and chemical energy
Electrical energy, sound energy, light energy, heat energy, and chemical energy
What device is it?
Iron
Smartphone
Heater
What is the input energy?
Electrical energy
Chemical energy
Heat energy
What is the output energy?
Electrical energy
Chemical energy
Heat energy
What device is it?
Air conditioner
Fan
Wind mill
What is the input energy?
Sound energy
Mechanical energy
Electrical energy
What is the output energy?
Sound energy
Mechanical energy
Electrical energy
What device is it?
Lamp
Light Bulb
Light
What is the input energy?
Light energy
Electrical energy
Heat energy
What is the output energy?
Light energy and heat energy
Electrical energy and chemical energy
Heat energy and electrical energy
What device is it?
TV
Monitor screen
Solar panel
What is the input energy?
Heat energy
Light energy
Electrical energy
What is the output energy?
Heat energy
Light energy
Electrical energy
What devide is it?
Fire
Firework
Bomb
What is the input energy?
Heat energy
Chemical energy
Mechanical energy
What is the output energy?
Heat energy, electrical energy and sound energy
Chemical energy, light energy and sound energy
Heat energy, light energy and sound energy
What device is it?
Telephone
Portable TV
Mobile phone
What is the input energy?
Mechanical energy + Electrical energy
Chemical energy + Electrical energy
Light energy + Chemical energy
What is the output energy?
Mechanical energy + Electrical energy + Sound energy + Heat energy
Chemical energy + Electrical energy + Light energy
Light energy + Chemical energy + Sound energy + Heat energy
