Conclusion What happened to the bears when placed in distilled water? Why? What happened to the bears when placed in tap water? Why? Was there a difference.

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Presentation transcript:

Conclusion What happened to the bears when placed in distilled water? Why? What happened to the bears when placed in tap water? Why? Was there a difference in your results using tap water compared to distilled water? If so, why? What happened to the bears when placed in salt water? Why? What do you think would have happened to the bears if, after the last day, they were again placed in distilled water?

Conclusion 6. Calculate the percent change in volume after each step of the experiment. % change in volume = (final volume - initial volume)/ initial volume x 100 Place the percentages in the table below: Bears % Change in Water % Change in Salt Water Tap Water Bear Distilled Water Bear

Conclusion 7. Make a bar graph of the percent changes. Label axes Place a scale on the vertical axis and give the graph a title. Place the data for both bears on the same graph. USE GRAPH PAPER. If you have a negative value for a percent change, start the vertical axis at a negative number. (For example: -50, -25, 0, 25, 50, 75, 100, etc.) 8. Write a paragraph that explains the results of this experiment using the concept of diffusion. Include your data where appropriate to explain your results.