Invisible Extinguisher A balloon is used to capture the carbon dioxide produced by a baking soda & vinegar reaction in a water bottle. Because carbon dioxide is denser than air, it can be carefully transferred to a container and then “poured” over a candle, acting as an invisible extinguisher.
Light-up Gift Box Are you ready to light up your holidays? Design your own gift box that twinkles using concepts of geometry and circuits.
This is not your typical electric toothbrush! Explore circuitry and master the science of electrical connections while creating a toothbrush robot.
Help scientists understand the sky from above and below! GLOBE Observer is an international citizen science initiative to understand our global environment. Your observations help scientists track changes in clouds in support of climate research. To participate, just download the app, go outside and follow the prompts in the app to observe your environment. Photograph …
