Lesson 9 — Test

Test energy

2.1 — 2.4

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Slide 1: Slide

The law of conservation of energyVoortgezet speciaal onderwijsLeerroute 1

This lesson contains 11 slides, with text slides.

Items in this lesson

Test energy

2.1 — 2.4

Slide 1 - Slide

What did we cover yesterday?

Slide 2 - Slide

The first two laws of Energy

Slide 3 - Slide

The first two laws of Energy

1) Energy cannot be created or destroyed

Slide 4 - Slide

The first two laws of Energy

1) Energy cannot be created or destroyed

2) Energy tends to spread out

Slide 5 - Slide

Newtons Cradle

Slide 6 - Slide

Useful energy

wasted energy

Efficiency

Slide 7 - Slide

The efficiency of a construction lamp

A construction lamp uses 80 joules/second

It has an efficiency of 25%

Slide 8 - Slide

The efficiency of a construction lamp

A construction lamp uses 80 joules/second
It has an efficiency of 25%

Useful

Wasted

Slide 9 - Slide

Working independently

Homework (for next week Monday):

The workbook exercises of 2.5 (including E)

Slide 10 - Slide

Learning goals

Explain the law of conservation of energy in your own words
Explain what is meant by useful energy and wasted energy
Explain what is meant by efficiency

Slide 11 - Slide

Lesson 9 — Test

Items in this lesson

Slide 1 - Slide

Slide 2 - Slide

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