Pour swamp water in the 2 liter bottle with a lid.
Water filtration unit experiment.
Once filtering is complete have them bring the test tubes to you for observation.
2 glass jars sand gravel 3 4 coffee filters dirty water a plastic cup with a hole cut in the bottom.
Pour two glasses of water from the kitchen faucet.
To meet this challenge students use an iterative process as they build test and measure the performance of the filtration device analyze the data collected and use this information to work toward an improved.
You will need a few supplies.
Pour the water into the bottle with its top cut off.
We went to a little pond nearby to collect some water.
The first glass will serve as the control.
Decide if the water is a b or c grade and help them measure their sample in a graduated cylinder.
So many people get sick from their own drinking water.
Then pour the water back and forth between the two cups about 10 times.
For this experiment it is best to test the water before and after the filtration.
To start ask the child to make a hypothesis or prediction about the experiment.
Put the lid on the bottle and shake vigorously for 30 seconds.
Begin by getting a jar full of dirty water.
The second glass will be dirty dirty the dirty water with materials found around the house.
Notice how it looks and smells.
Again notice how the water looks and smells.