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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 Summer STEM Activities
Summer STEM Box Challenges Send your students off for the summer with 10 different STEM activities to try at home!! This printable packet includes: • STEM Engineering Process Page / Poster • Parent Instructions (How to put together a "Summer STEM Box”) • Suggested Materials • 10 STEM Challenge Cards • Planning sheet • Reflection Sheet This is FREE!!! Try it out and let me know what you think! :-) And by the way….if you’re in the market for some great STEM labs…. ...please check out my store fo
K - 2nd
Engineering, General Science
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