Percent Increase and Decrease Quiz
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STEM Activity Catapult - Build a Catapult Engineering Design Process & STEAM
Launch student engagement with this Build a Catapult STEM Challenge! Students explore criteria and constraints while learning how mangonels and trebuchets use tension and counterweights to launch projectiles. Using the engineering design process, they’ll plan, build, test, and redesign their catapults—evaluating independent, dependent, and control variables along the way. Perfect for STEM or STEAM classes, this hands-on engineering and physics activity helps build an understanding of forc
4th - 7th
Engineering, Physical Science, Science
NGSS
MS-ETS1-2
, 3-5-ETS1-3
, MS-ETS1-4
+4
Save Fred • Problem Based Learning Stem Challenge • Science
Engage your students with this classic, high-interest STEM challenge that builds problem-solving, teamwork, and critical thinking skills—with minimal prep and maximum engagement!In this Saving Fred STEM Challenge, students must design and test a rescue mission to save Fred the gummy worm after his boat capsizes. Working within clear constraints, students think like engineers as they plan, build, test, and improve their designs—without ever touching Fred or his boat!Perfect for upper elementary a
4th - 8th
Basic Principles, Engineering, General Science
NGSS
3-5-ETS1-3
, 3-5-ETS1-1
, 3-5-ETS1-2
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