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Blast Off A Rocket: An acid-base reaction between vinegar and baking soda

Blast Off A Rocket: An acid-base reaction between vinegar and baking soda

This experiment is part of our Earth Day Challenge. It is important to think about our waste. Where will they go after leaving our household? Plastic bottles and scrap metals can go to recycling facilities. Many other wastes are buried in landfil...

Elephant Toothpaste

Elephant Toothpaste

I conducted this experiment at Keiki Labs in HPP in March 25th 2023. Background Elephant toothpaste is a fun and safe experiment. The name of “elephant toothpaste” came from a formation of foams blasting off from a cylinder or a bottle with narr...

Make your own colorful slime

Make your own colorful slime

This experiment was conducted at Keiki Labs in HPP in February 25th 2023. Every children love messy slime experiment. Just a few tips, this messy fun can be controlled by chemically and even small kids can make by their own. Background Utilizin...

COLOSSAL BUBBLE

COLOSSAL BUBBLE

Background A bubble is a ball of air surrounded by a thin water film. Pure water has high surface tension not elastic enough to form a bubble. There are important chemicals to form colossal bubbles: Detergent, Polymers, and pH adjustment. Deterg...

COLOR CATCHING SHEETS: SAFELY MIX WHITES AND COLORS IN YOUR LAUNDRY

COLOR CATCHING SHEETS: SAFELY MIX WHITES AND COLORS IN YOUR LAUNDRY

Saturday, April 9, 2022 This experiment was performed at Cos Cob Library on 04.14.2022 Background When you wash clothes of different colors, fabric dyes may leach out and stain lighter clothing, especially white clothes. Color catching sheets ...