Lesson 9 — Graphs and table

• Speed
• Middelbare school
• havo, vwo
• Leerjaar 2

4.5 Graphs and tables

This lesson

• Discussing the homework
• Closing of paragraph 4.4
• 4.5 Graphs and tables
• Project speed

Learning goals

•  Explain what terminal velocity is and how it works.
• Be able to read a speed-time graph correctly
  
• Explain terminal velocity
  
• Make a start with paragraph 4.5

Discussing the homework

Speed-time graphs

Think – share – Exchange

Step 1: Think — Think for yourself

Step 2: Share — Discuss with your neighbour

Step 3: Exchange — Share your answer with the class

1. Think
   
2. Share
   
3. Exchange
   

1. Think
   
2. Share
   
3. Exchange
   

1. Think
   
2. Share
   
3. Exchange
   

1. Think
   
2. Share
   
3. Exchange
   

1. Think
   
2. Share
   
3. Exchange
   

1. Think
   
2. Share
   
3. Exchange
   

What does the area under a graph tell you?

• Area = length x width
  

• Area under speed time graph =  speed x time
  

•  speed x time = distance traveled
  

Terminal velocity

4.5 Graphs and tables

• Read paragraph 4.5
  
• Do the workbook exercises and the yellow block exercises
  

Homework

4.5 The workbook exercises

Learning goals

•  Explain what terminal velocity is and how it works.

• Explain what is meant by a continuous variable and a discrete variable.

•  Know when to use a pie chart, bar chart or graph.