Lesson 2 — 4.1 Speed

Lessonplan
Lesson plan
Opening — 10 min
- Video Hyperloop

Class phase — 20 min
- discussing the worksheet
- what is speed?
- formula for speed + practice exercise
- average speed + practice exercise

Solo phase — 15 min
- working on the homework — workbook §4.1 — read §4.2 precision and accuracy

Closing — 5 min
- which is the correct formula for speed a, b or c?
- what have you learned? + goals
- homework
Learning goals
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Natuurkunde / ScheikundeMiddelbare schoolhavoLeerjaar 2

This lesson contains 28 slides, with text slides and 2 videos.

Items in this lesson

Lessonplan
Lesson plan
Opening — 10 min
- Video Hyperloop

Class phase — 20 min
- discussing the worksheet
- what is speed?
- formula for speed + practice exercise
- average speed + practice exercise

Solo phase — 15 min
- working on the homework — workbook §4.1 — read §4.2 precision and accuracy

Closing — 5 min
- which is the correct formula for speed a, b or c?
- what have you learned? + goals
- homework
Learning goals

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Lesson plan
  • Recap
  • Discussing the worksheet
  •  What is speed?
  • What is average speed?
  • Working on exercises

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Goals
  • Name the formula for speed
  • Name the unit of speed
  • Apply the formula for speed
  • Average speed

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What did we do yesterdays lesson?

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Class Rules
When you enter the class
  • Phone in phone hotel
  • Go to your seat
  • Take your books and note book out of your bag and put them on your desk
During the class
  •   When someone speaks, you  listen.
  •  Two modes of working:                1. Silent      2. Discussing with your neighbour
  • Disturb the class: you come to school the next day at 8 and work on extra work.

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The scientific method
Prediction
Question
Test  the prediction
(Experiment)
Observation
Conclusion

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Question — Do banana peels float in water?

Prediction — Yes/No

Test Prediction — Throw banana peel in water

Observation — Watch

Conclusion — Yes/No

Question — Do all fruit peels float on water?

The materials you need?

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The materials you need

  • Your books (tekst book, workbook)
  • Your notebook:  A4 with blocks
  • A calculator
  • A protractor

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Class Phase

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Discussing the worksheet

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What is speed?

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Speed
Speed  is a measurment of how fast you are moving per hour or per second. 
1. 5 kilometers per hour (5 km/h)
2.3 meter per second (3 m/s)

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The formula for speed
Speed=timedistance
v=d/t

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Important
Speed=timedistance
The unit of speed
km/h  (kilometer per hour)
m/s     (meter per second)

The formula for speed
Tekst
v=d/t

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Exercise
1. Ron walks 22.5 km in 5 hours, find his speed.

2. A train covers 168 km in 4 hours. Find its speed.

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Solo Phase

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The formula for speed: choose the right answer

B

C
Speed=timedistance
Speed=DistanceForce
Speed=distancetime

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The formula for speed

B

C
Speed=timedistance
Speed=DistanceForce
Speed=distancetime

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Constant or steady speed
Constant speed is where the speed is the same throughout the journey.

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Average speed
​The average speed is the total distance traveled by the object in a particular time interval.
Average speed = total distance: total time
 

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Exercise
 A car travels 3 hours. It travels 30 miles in the first hour, 45 miles in the second hour and 75 miles in the third hour. Find its average speed.


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What have you learned?

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Goals
  • Name the formula for speed
  • Name the unit of speed
  • Apply the formula for speed
  • Explain what is meant by average speed

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Next lesson
Homework

Read: Textbook 4.1
Do: Workbook exercises 4.1

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