2.1 — what is energy?

Energy
1 / 12
suivant
Slide 1: Diapositive
Natuurkunde / ScheikundeMiddelbare schoolhavo, vwoLeerjaar 1

Cette leçon contient 12 diapositives, avec diapositives de texte.

Éléments de cette leçon

Energy

Slide 1 - Diapositive

Goals 
2.1 What is energy?
• Name the defenition of energy (ability to do work).
• Name the unit of energy
• Give examples of energy being used
• Give examples of sources of energy

Slide 2 - Diapositive

This lesson
  • Energy — What comes to mind?
  • Introduction to energy
  • Working independently

Slide 3 - Diapositive

step 1 — do this on your own 
a) Energy — What comes to mind for you?
b) What do you think energy is?



Slide 4 - Diapositive

Step 2 — do this with your neighbour
a) Compare your answers, change them if needed
 b) Discuss — How do we use energy?

Slide 5 - Diapositive

What is energy?

Slide 6 - Diapositive


Energy is

The ability to do work



(The unit of energy: ?)

Slide 7 - Diapositive

Slide 8 - Diapositive

Although we often hear people talking about energy consumption, energy is never really destroyed. It is just transferred from one form to another.

Slide 9 - Diapositive


The unit of energy?

The unit of energy is Joule (J)
One J is very small that is why use often Kilojoules ( KJ)
KJ = 1000 J

Slide 10 - Diapositive

Working independently
Homework:
  • Read: 2.1
  • Do: Q questions 2.1 (yellow block)

Slide 11 - Diapositive

What is energy?
Energy from the sun
Types of energy
Transferring energy
The conservation of energy
Potential energy

Slide 12 - Diapositive