Tiny Wonders Lab•Science Activity Card•Space
Why Do Onions Make You Cry?
Ref: TWL-WHY-DO-ONIONS-MAKE-YOU-CRY
Grade Level: 3-8
The Big Idea
Unlock the chemical defense system of the humble onion. Discover how slicing into an onion releases a gas that turns into a tiny amount of sulfuric acid in your eyes, triggering a flood of tears.
Key Vocabulary & Concepts
#Chemistry#Food#Biology
Hands-On Observation Checklist
1. Predict & Form HypothesisWhat do you think causes why do onions make you cry??
2. Explore Digital LabInteract with the simulation and note patterns.
3. Record Key FindingsWrite down 2 new facts discovered during the lab.
4. Explain to a PartnerShare your conclusions with a classmate or parent.
Teacher & Parent Discussion Starters
- Why is understanding why do onions make you cry? important in everyday real life?
- What variable or factor had the biggest impact when testing the simulation?
- How does this concept connect to another science topic you have learned about?
Tiny Wonders Lab — Interactive Science & Physics Exploration
www.tinywonderslab.com/wonders/why-do-onions-make-you-cry