1. BELLWORK In your folder turn to page 103, on the next page decorate your BELLWORK title page quietly please.

2. BELLWORK 8/18 8/19 Look at the picture to the right. Record 3 observations Make 3 inferences

3. BELLWORK 8/20 8/21 Which branch of science deals with the study of motion, forces, & energy?

4. BELLWORK 8/25 8/26 What is the difference between the independent variable and dependent variable in a controlled experiment? Give an example in an experiment.

5. BELLWORK 9/3 9/4 A scientist examined the numbers of two different species of insects on four different kinds of trees in the same forest. The results of her examination are shown on the data table. What inference can the scientist make about the insects?

6. BELLWORK 9/8 9/9 Chad is conducting an experiment to see the effect of the temperature of vinegar on the reaction with baking soda. In Chad’s experiment what is the independent variable? The dependent variable?

7. BELLWORK 9/10 9/11 How do scientists communicate their results to others? Speak at a conference Publish their results in scientific articles Exchange information on the internet

8. BELLWORK 9/10 9/11 Give an example of qualitative data and quantitative data. Write one hypothesis for an experiment.

9. Bellwork 9/15 9/16 Michelle wants to understand the effect of the amount of heat on the rate at which ice melts. Which is a factor she should consider when she designs her investigation?

10. BELLWORK 9/17 9/18 30, 5, 15, 25, 5, 10 1. What is the mean? 2. What is the mode? 3. What is the median? 4. What is the range?

11. BELLWORK 9/22 9/23 What is the most appropriate metric system unit to measure the following? a. your height: _______________________________ b. the distance between cities: ___________________________________________ c. the width of a computer screen: ___________________________________________ d. the radius of a coin? ___________________________________________