Lesson 3 — Closing off 1.1 + intro 1.2

Lessonplan
Lesson plan
Opening — 5 min
- Lesson plan
- Goals
- Tug of war — which side applied more force? what effect did that have?

Class phase — 15
- Balanced and unbalanced forces
• Examples — force the students to come up with examples
• Effects — let the students fill in the table of balanced and unbalanced with stationary and moving.

Solo phase — 20 min
- Fill in the table
- Start the homework

Closing — 10 min
- discuss the table
- What have you learned + goals
- Next lesson – homework
Learning goals
• Explain the difference between balanced and unbalanced forces
• Describe the effect of balanced forces
• Describe the effect of unbalanced forces

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Slide 1: Tekstslide
Natuurkunde / ScheikundeMiddelbare schoolhavoLeerjaar 1

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Lessonplan
Lesson plan
Opening — 5 min
- Lesson plan
- Goals
- Tug of war — which side applied more force? what effect did that have?

Class phase — 15
- Balanced and unbalanced forces
• Examples — force the students to come up with examples
• Effects — let the students fill in the table of balanced and unbalanced with stationary and moving.

Solo phase — 20 min
- Fill in the table
- Start the homework

Closing — 10 min
- discuss the table
- What have you learned + goals
- Next lesson – homework
Learning goals
• Explain the difference between balanced and unbalanced forces
• Describe the effect of balanced forces
• Describe the effect of unbalanced forces

Slide 1 - Tekstslide

Slide 2 - Tekstslide

Lesson plan
  •  Recap previous lesson
  • Types of forces
  • Balanced and unbalanced forces
  • Working on exercises

Slide 3 - Tekstslide

Goals
  • Give examples for different types of forces
  • Explain the difference between balanced and unbalanced forces
  • Described how they effect objects
  • Calculate resultant force

Slide 4 - Tekstslide

Class Phase

Slide 5 - Tekstslide

What did we cover 
previous Lesson?

Slide 6 - Tekstslide

Slide 7 - Tekstslide

Types of forces
  • Gravitational force
  • Electrostatic force
  • Magnetic force
  • Friction
  • Air resistance
  • Upthrust
  • Tension

Slide 8 - Tekstslide

Air resistance

Slide 9 - Tekstslide

Upthrust

Slide 10 - Tekstslide

§1.2 Balanced and unbalanced
forces

Slide 11 - Tekstslide

Tug of war

Slide 12 - Tekstslide

Balanced and unbalanced forces

  • When there is a pair of forces
  • Pulling in opposite or similar sides

Slide 13 - Tekstslide


The effects of:

Balanced and unbalanced forces

Slide 14 - Tekstslide


Stationary: When an object is not moving, standing still

Constant velocity: When an object is moving at a constant speed

Acceleration: When the speed of an object is increasing (or decreasing)

Slide 15 - Tekstslide

Slide 16 - Video

balanced forces
Unbalanced forces
stationary objects
Moving objects

Slide 17 - Tekstslide

balanced forces
Unbalanced forces
stationary objects
stays stationary
starts moving
Moving objects
keeps the same speed
accelerates/ decelerates

Slide 18 - Tekstslide

Resultant force

Slide 19 - Tekstslide

Slide 20 - Tekstslide

Solo Phase

Slide 21 - Tekstslide

Goals
  • Explain what is meant by balanced and unbalanced forces
  • Described how they effect objects
  • Calculate resultant force

Slide 22 - Tekstslide

Next lesson
Homework
  • Read §1.2

  • Do §1.2 the yellow block questions 
+ workbook question 2

    Slide 23 - Tekstslide

    Slide 24 - Tekstslide