CATAPULT
Grade 3: Forces, Movement and Simple Machines
Students explore energy and force through elastic-powered motion.
Subject Connections
This program brings Alberta’s Grade 3 Science and Design Thinking curriculum to life through engaging, hands-on LEGO builds. Students explore forces, energy, motion, and simple machines, while developing skills in problem solving, creativity, and teamwork.
- Understand how stretched elastic turns into motion.
- Identify how elastic force creates movement in the model.
- Observe how different forces affect direction and distance.
- Plan, build, test, and improve the the catapult’s design.
- Students work together to share ideas, solve problems, and build teamwork skills.

HOW IT WORKS
Plug & Play Lessons
Write your awesome label here.
ONE SYSTEM. ENDLESS DELIVERY.
School-Wide STEM 365
Students apply design thinking to build, test, and improve working models that meet real-world needs

Unlimited Learning Platform Access
Simply log in and press play. We handle everything else.
High Quality
STEM Building Kits
Every student builds a model of their own.
Building Sheets
Intuitive, ready-to-use build sheets
Motors & High Traction Tires
High-quality motors for dynamic engagement.
Power Packs & Aerodynamic
Propellers
Explore energy, thrust, and aerodynamics with hands-on propeller experiments.
