24 Simple Machines projects for kids - so many clever, fun, and unique science experiments to explore simple machines for classroom, science project, and homeschool for kindergarten, first grade, second grade, third grade, fourth grade, and fifth grade. PLUS love the 5 week unit diving more in depth along with free printable simple machine worksheets for kids!!
STEM Challenge: Are you ready for a fantastic STEM challenge? Here it is: Zip Lines!*** Please note: This lesson is available in a combination package. This challenge is the best one we have completed! We all loved it! Students will follow the steps of the Engineering Design Process for this challenge.