How Much Will It Absorb Diaper STEAM Activity
Run the How Much Will It Absorb Diaper STEAM Activity as a real lab for 4th to 6th grade: test diaper gel, convert capacity units, and design a diaper, with an answer key included.
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About this resource
Description
This How Much Will It Absorb Diaper STEAM Activity turns a clean diaper into a real science lab. Students in 4th, 5th and 6th grade follow the scientific method to find out how much water the gel inside a diaper can soak up. Diapers hold a powder called sodium polyacrylate, which swells into a jelly when it meets water and can hold hundreds of times its own weight. Then students use math to convert their results between tablespoons, cups, pints, quarts and fluid ounces.
Teams cut open a diaper, shake the powder into a strainer, and add colored water one tablespoon at a time while they keep a tally. When water drips through, they total their tablespoons and change the amount to cups and fluid ounces on the Lab Record Sheet. A pour test over a clean diaper checks their prediction. Next, students solve twelve lab task cards on customary capacity, and they finish by engineering and drawing a better diaper of their own. This diaper STEAM experiment works well for a science block, a math center, or a STEAM day.
What’s Included
- Colorful cover page
- How to Use page with supplies, prep steps and lab directions
- Lab Record Sheet: question, hypothesis, tally data, pour test and conclusion
- 12 lab task cards on converting units of capacity
- Recording sheet with a capacity conversion chart
- Design-a-Diaper engineering page
- 5th grade practice worksheet with a data table
- Answer keys for the task cards and the practice worksheet
Why Kids Love It
First, the gel changes before their eyes, so every student wants to see how much it will hold. Second, the activity connects science and math in one task: the data they collect is the number they convert. Third, the design page lets students think like engineers and add their own art to a real problem.
Ideas for Teachers and Parents
Run the How Much Will It Absorb Diaper STEAM Activity in small teams and post each team’s total on the board to compare results. Ask students to test a paper towel or a sponge the same way and graph the class data. At home, parents can try the pour test over a sink and talk about why diapers keep babies dry. Keep the gel away from mouths and eyes, and let an adult do the cutting.
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