Consider all the results given to you. Write a CER about the most effective filter from above. Claim: The filter that did the best job at cleaning sanitizing pond water was
Evidence: (Use detailed observations/data from the table above that supports your claim)
Reasoning: (Explain why the evidence listed above supports the claim) Fill out the template below to help you.
We found that (describe evidence), and this supports the claim that (restate claim).
There can actually be 2 control groups for this experiment. (This is something that happens
more often than you think). Describe what these 2 control groups are.
Think about these questions to help you: Where would the water have come from? What was for
wasn't done to this water?