Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

Session 1, Part C:
Qualitative Graphs

In This Part: Introduction to Qualitative Graphs | The Bus Stop Queue | Going to School
Descriptive Graphs | Filling Bottles

Problem C9

 a. Did you ever notice that when filling some bottles, the water all of a sudden spurts out of the top? Why does this happen? b. Imagine filling each of the six bottles below, pouring water in at a constant rate. For each bottle, choose the correct graph, relating the height of the water to the volume of water that's been poured in.

 c. For the remaining three graphs, sketch what the bottles should look like.

Note 11

 When will the graph of a bottle's height increase most slowly? Most rapidly?   Close Tip When will the graph of a bottle's height increase most slowly? Most rapidly?

 Problems in Part C are taken from The Language of Functions and Graphs, by Malcolm Swan and the Shell Centre Team (Nottingham, U.K.: Shell Centre Publications, 1999).

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