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Elementary STEM Challenge: Marshmallow Catapult Energy & Motion Activity | 3-5
⭐ NGSS Aligned STEM Activity | Printable, Digital, & Fully Editable | Updated for 2026Engage your students with this high-interest engineering challenge where they explore elastic potential energy and projectile motion. In this hands-on lab, students design and build a catapult using popsicle sticks, rubber bands, and a bottle cap to launch a mini marshmallow as far as possible. It is the perfect addition to any Elementary Physical Science, Energy, or Forces and Motion unit. Designed specific
3rd - 5th
Engineering, Science
NGSS
3-PS2-1
, 3-5-ETS1-3
, 3-5-ETS1-1
+2
FREE STEM Activity Rosie Revere Engineer Flying Machine Challenge
FREE STEM Challenge! Integrate STEM, Writing, and Literacy in your classroom!Engage students with a real world STEM activity where they learn about how engineering works. Students design, build, and test their own flying machine to glide Rosie down a zip line. NOW INCLUDES CANVA PRESENTATION SLIDES!The Engineering Design Process:In this STEM activity, students follow the six step Engineering Design Process: Ask, Imagine, Plan, Create, Experiment, Improve. Connect to a Read Aloud: Rosie Revere E
2nd - 4th
Engineering, Literature, Science
CCSS, NGSS
W.1.3
, W.2.3
, W.3.3
+7
Also included in: First Month of School STEM Lesson Plans BUNDLE
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