Does it clearly tell what your experiment is about? Title Does it clearly tell what your experiment is about?

Observation Why study the effect of pollutants on aquatic plants?

Question What question were you trying to answer?

Hypothesis What did you think was going to happen? If this ______is done this _______ will happen. Ex. As nitrate levels increase duckweed growth will increase.

Constants Things that stayed the same between all of your trials.

Variables Independent variable: what substance did you test? Dependent variable: what are you measuring in your experiment?

Materials List the things you used in your experiment.

Procedure Step by step what you did in your experiment. Do not use pronouns (I, we, me) Ex. 1. Pour 10 mL of sugar water into each of nine cups. 2. Put 10 duckweed leaves into each cup. This will be your hardest slide to get right.

Data Table Treatment Replication Day 1 Day 3 Day 7 1 2 3 Avg.

Graph Go to http://nces.ed.gov/nceskids/createagraph/ Choose a vertical bar graph Choose a data set of 3 items 3 groups Label items Days 1, 4, 7 Label groups with each of your tests (ex. 1 drop, 2 drops, 4 drops). Fill in results from the data sheet. Add title and label x axis “Days” and y axis “# of Leaves”. Go to print/save, download as a JPG, save it and insert it into PPT. See example next slide

Graph (Delete this graph and insert your own)

Observations Write a paragraph to explain what your data tells you. What actually happened in your experiment? Do not explain why here, just tell what happened and refer to your average scores here.

Results Paragraph form again. What does the data mean? Why did you get these results? Did anything go wrong? What and why?

Conclusion Answer your original question. Did the data support your hypothesis? Can you tell why your data makes sense? Why you got the results you did?

Suggestions/Questions How could you improve this experiment? What would be a good follow up experiment?