Build a Telescope! Design your own lens and parabolic mirror from simple materials and watch light refract or reflect onto a target, just as happens in actual telescopes. The activity can scale with the group or audience size: A big bowl or reflective surface will focus light well enough that an entire auditorium can see …
Electrical engineering encouragement! Learn how electricity moves through a circuit while designing an LED greeting card.
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.
