Welcome to The Explorer Lesson Library

To get started, select a category below, download this month’s featured freebie, or scroll for all resources!

Limited-Time Freebie of the Month! As part of your STEM Space Explorer Library, we're excited to bring you an exclusive monthly freebie! This resource provides a sneak peek into the STEM Space Membership, which offers 250+ rigorous K-8 STEM lessons.

Simple Machines - Operation: Secret Lever | 5th Grade STEM Innovators

A Mission to Design an "Undetectable" Candy Grabber: In this unit, students will learn about common characteristics of levers and their various uses. Students will complete two mini labs with levers to spark their curiosity. They will then design and build their own candy grabber!

Students begin by exploring how levers work through interactive mini-labs, experimenting with different fulcrum positions and observing how these changes affect force and motion. Using what they learn, students then design, build, test, and improve their own candy grabbers. Through testing and data collection, they evaluate how well their designs function and make evidence-based improvements, just like real engineers!

Search The Explorer Lesson Library