lesson Write a review • 19 Downloads lesson 19 Downloads Write a review A Plaster Master or a Plaster Disaster Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link American Chemical Society Subject Science — Physical Science Grade Level Grades K-8 Resource Type Activity License About Resources Reviews Related About This Lesson Plaster is made from calcium chemicals. When mixed with water, it hardens, making it great for building materials. See how well calcium works when it gets mixed with other liquids. Science Experiments At Home Kindergarten Lesson Plans Lesson Plan for Middle School Earth Day Activities Resources Files CSTA_014911.pdf Activity February 12, 2020 95.97 KB Log in to Download Log in to Download External resources http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pa... Website Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson Ice Crystals Extraordinaire—Snowflakes Grades 6-12 Read More Lesson Ice Crystals Extraordinaire—Snowflakes Activity | Grades 6-12 Read More Lesson Cool It and Pool It! Activity | Grades 6-12 Read More Lesson A State Debate Activity | Grades 6-12 Read More Lesson Urine the Know Activity | Grades 6-12 Read More Lesson Lose Some Mass – It’s a Gas Activity | Grades 6-12 Read More