Amazing Hydro Absorber

In the polymer Olympics, this substance would win a gold medal! It can soak up and hold up to 3000 times its weight in water! Observe the polymer “grow” as water is absorbed. Explore the effect of salt on the polymer’s efficiency.

Grades covered: 4 through 12
Curriculum Topics: Matter, Molecules, Chemistry, Polymers, Volume, Chemical versus Physical change


Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.

Categories include:
  • Physical Science
  • Grades 3-5
  • Grades 6-8
  • Science
Tags: Matter, Chemical Reactions
Subjects covered: ["Physical Science"]