DQ 9-23-09

Determine if the following materials will sink or float Rubber 1.506 g/cm3 Paper 0.929 g/cm3

What are the 7 steps of the scientific method (in order)?

Understanding Experiments

Mass Actual

Percent Error

5.6g 162%

15g 2%

Inference:

Observation:

DQ 9-24-09

(Copy questionsNot graph)

According to the graph, what happens to bacteria growth after 40oC?

In an experiment which variable is changed on purpose?

Conclusions

Which was easier to make an inference about – 2/3 or entire picture?

Is it possible these two animals never met each other?