2. The steps in developing a practical activity

4. Teachers’

8. Evaluating the practical activity
Is it effective?
Levels of effectiveness

11. Did the students do what they were intended to do?

12. Did the students learn what they were intended to learn?

14. An experiment

15. An experiment

16. straw
Coffee filter paper

18. the fold

19. the fold

20. Bottle cap + some water
5 minutes …

21. pipette

22. the fold
5 – 6 seeds

25. straw

27. 1/3 – 1/2 water

28. Wait two days …..

29. What you need: Coffee filter Seeds (note: seeds innside filter
Cissors Glass Straw
Bottle cap Pipette Water