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This simple experiment explores surface tension, using just a few basic household materials & quick, easy setup.
Grade Level: K - 8 (done as a demonstration for younger students; older students can carry out the activities on their own in small groups)
Time: 10 - 30 minutes (depending on how in-depth of a lesson you do & whether you do more than 1 version)
Learning Standards: 2-PS1-2, K-2-ETS1-2
What we are Learning?
What we are Learning?
Surface Tension
Scientific Method and the importance of repeating experiments
Data collection and analysis
Materials Needed
Materials Needed
Paperclips (try to stick with the same size)
Different sizes can be compared
Cups with smooth edges, these can be disposable cups
Water
Pitcher or jug to refill water
Tray to catch water that spills
Copies of score sheets or scrap paper
Pencils
How is it done?
How is it done?
This activity takes a steady hand.
The idea is to float as many paperclips as you can on the water.
You can have players stop at a designated time, or when the first clip sinks.
Having an extra pitcher of water and a large bowl to dump into for resetting is helpful.
Make sure that you work on a level, smooth surface.
What to Expect?
What to Expect?
Expect water to spill!! Take precautions or work outdoors.
Students may be excited, so emphasize that this takes patients and a steady hand.
Practice is key
Results may vary
Paperclips and Water Score Sheet.pdf
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