Do onions make onions cry You Tube video

Science

• The child has learned that cutting onions releases a chemical called syn-propanethial-S-oxide, which irritates the eyes and causes them to tear up.
• They have learned that wearing goggles or cutting onions under running water can help reduce the irritation and prevent tears.
• The child understands that the chemical reaction between the onion and the knife or cutting board causes the release of the tear-inducing gas.
• They have learned that chilling the onion in the refrigerator before cutting can also help reduce the release of the irritating gas.

To further develop their understanding of this activity, the child can explore other kitchen experiments related to chemical reactions, such as mixing baking soda and vinegar to create a volcanic eruption or observing the effects of heat on different food items.

Book Recommendations

• The Onion's Tears by Sarah Kate Ellis: This book tells the story of an onion who wants to find a way to stop making people cry when they cut it. It teaches children about the science behind onion tears in a fun and engaging way.
• Onions and Other Smelly Foods by Ruth Owen: This book explores different smelly foods, including onions, and explains why they have a strong odor. It also includes simple experiments that children can try at home to learn more about the science of smells.
• How Do Onions Grow? by Betsy Maestro: This book takes children on a journey from planting onion seeds to harvesting mature onions. It explains the different stages of an onion's growth and provides interesting facts about onions along the way.