1. Review

2. Let’s Go Fly A Kite…
You want to test different shapes of kites to see which shape results in the strongest lift in the air. List what factors that need to be the same for each trial so that the only variable being changed is the shape of the kite.

3. Question – Does temperature effect diffusion rate?
Hypothesis:
Prediction (If-then):
Test Hypothesis:
Analyze Results:
Draw Conclusion:
Communicate:
Other Questions:

4. Scientific Models

5. Cardiopulmonary Resuscitation (CPR)
Why is it taught with a model and not a real human?

6. Scientific models
a representation of something familiar to describe something unfamiliar

7. Limits:
They are never exactly like the real thing

8. 3 Main Types of Models Mathematical Models Physical Models
Conceptual Models

9. Physical Models shows you what it looks like
Example: plane, cell, atom

10. Mathematical Models
uses equations and data
Example: E = mc²

11. Conceptual Models systems of ideas or comparisons to explain something
Example: food web, big bang theory

12. Physical, Mathematical, or Conceptual?

13. Physical, Mathematical, or Conceptual

14. Physical, Mathematical, or Conceptual

15. Physical, Mathematical, or Conceptual

16. Physical, Mathematical, or Conceptual

17. Physical, Mathematical, or Conceptual

18. Physical, Mathematical, or Conceptual

19. Physical, Mathematical, or Conceptual

20. Physical, Mathematical, or Conceptual
Cell is like a factory

21. Scientists are always trying to improve models

22. The Right Size
Models explain things that are too large, too small, or just impossible to see
Sound waves

23. Using Models to Build Scientific Knowledge

24. Models are often used to help explain scientific theories
Theory - an explanation of many hypotheses and observations. Explain why or how

25. Law
a summary of many hypothesizes and observations. Explain what happens

26. Hmmm…
A map and globe are two different models of the same thing. When would you want to use each of these models?