lesson 7

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Slide 1: Slide
Natuurkunde / ScheikundeMiddelbare schoolhavo, vwoLeerjaar 1

This lesson contains 19 slides, with text slides and 2 videos.

Items in this lesson

Slide 1 - Slide

This lesson
  • Recap friction
  • Discussing the homework 
  • Closing of 1.3
  •  Working independently

Slide 2 - Slide

Learning goals
  • Give examples of friction
  •  Explain the cause of friction
  • Describe the effect of friction on motion
  • Explain how to reduce friction
  • Describe how friction can be useful

Slide 3 - Slide

Recap
Friction — what did we cover?

Slide 4 - Slide

Recap
Exercise — What are examples of friction around you right now?

Slide 5 - Slide

Recap
What causes friction?

Slide 6 - Slide

The irregularities in the texture of surfaces cause friction

Slide 7 - Slide

Slide 8 - Video

Discussing

The homework

Slide 9 - Slide

Reducing friction

Using friction

Slide 10 - Slide

Exercise
Answer the following questions:
1) Give examples of things that require a lot of friction.

2) Give examples of things that require very little friction.

3) How can friction be reduced?

4) How do we make use of friction?

Slide 11 - Slide

Exercise
Answer the following questions:
1) Give examples of things that require a lot of friction.

2) Give examples of things that require very little friction.

3) How can friction be reduced?

4) How do we make use of friction?

Done?
  • Do the workbook exercises of 1.3
  • Or read textbook 1.4

Slide 12 - Slide

A lot of friction

Very little friction

Slide 13 - Slide

A lot of friction

Very little friction

Slide 14 - Slide

A lot of friction

Very little friction

Slide 15 - Slide

What is the resultant force?
90 N
30 N

Slide 16 - Slide

Slide 17 - Video

Next lesson
Homework
Workbook exercises of 1.3
Read textbook 1.4

Slide 18 - Slide

Learning goals
  • Give examples of friction
  •  Explain the cause of friction
  • Describe the effect of friction on motion
  • Explain how to reduce friction
  • Describe how friction can be useful

Slide 19 - Slide