Do you know what eggshells and chalk both have in common? Calcium carbonate (CaCO3)! CaCO3 is the chemical in chalk that lets us draw on the sidewalk. Eggshells also contain CaCO3 in them, making them a great alternative to store-bought chalk.
Standards
Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.
Categories include:
- Spanish
- Vietnamese
- Visual and Performing Arts
- Physical Science
- Grades K-2
- Grades 3-5
- Science
- Art
- Translated
Tags: Matter, Arts & Crafts, Chemical Reactions
Grades covered: Grades K–5
Topics: Chemical & Physical Reactions, Mixtures, Matter
Video Demo
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