Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Design a helmet from household objects in this engaging first- and second-grade activity!