Bring science to life with this Heart-Powered Balloon Rocket STEM Challenge!Students explore force, motion, air pressure, friction, and energy transfer by building and testing a balloon rocket that races along a string. This heart-themed activity is perfect for February or anytime you want an engaging, hands-on physics experiment for elementary learners. Students will design, predict, test, record, analyze, reflect, and write creatively, all in one easy-to-use STEM unit. ✅ WHO IS THIS RESOUR