Energy transformations - PowerPoint Presentation

Slide1

Energy transformationsSlide2

Foldable- you may work together!!!

The flashlight used in class

The TV in the classroom

The wind-up toy in the classroom

A clock

A blow dryer

An electric pencil sharpenerSlide3

Testing your knowledge

1. A

lamp begins with electrical energy when plugged in and turns into _________ energy when the light comes on.Slide4

2. The

TV uses ____________ energy and then transforms into radiant and sound energy as it comes on.Slide5

3. The

wind-up toy uses chemical energy in your muscles when winding it up which turns into _________ energy when it begins to move.Slide6

4. The

clock in the classroom uses ___________ energy which changes into mechanical energy to make the hands move.Slide7

5. The

blow dryer uses electrical energy to allow it to work which turns into ________ energy to dry your hair.Slide8

6. An

electric pencil sharpener uses electrical energy which is transformed into__________ energy to sharpen your pencil.Slide9

7. A

hand pencil sharpener uses __________ energy from you to move the sharpener which converts to

mechanical

energy to sharpen the pencil.Slide10

8. The

flashlight uses chemical energy to work which is transformed into __________ energy to travel to the bulb and then ___________ energy when it comes on.Slide11

9. A

solar powered calculator uses _____________energy to be converted directly into electrical energy.Slide12

10. A

battery powered calculator uses ____________ energy which transforms into electrical energy.