Props: A cup of water, a cup of coffee with some grounds, two coffee filters, and a pitcher.

Lesson: Today we are going to do an experiment. Hold up the cup of water. What do I have here? (response) Yes, it is water. I'm going to pour this water through this filter and into the pitcher. After I am done, I want you to tell me if there is anything remaining on the filter. Pour the water through the filter and into the pitcher. Do you think the water left anything on the filter? (response) Look at it. What do you see? Do you see anything other than a little wetness on the filter? (response) No? Hmmm, what do you know? Do the exact same thing with the cup of coffee. After questioning the children, pour the coffee and grounds into the pitcher through the filter. Before I show you …