These three projects were designed for use in middle or high school physical science classes:

• Four Important Properties of Waves

Teacher's Guide
Powerpoint Presentation
Key to Student Worksheet
Student Handout: Four Important Properties of Waves

• Two States of Matter They Didn’t Teach You About in School (Until Now)

Teacher's Guide
Powerpoint Presentation

Keys to Student Activity Sheets:

Thinking about Liquid Nitrogen
States of Matter

Student Activity Sheets:

Thinking about Liquid Nitrogen
States of Matter

• Simple Machines: Levers and Inclined Planes

Teacher's Guide
Student Materials:

Simple Machines Lab 1
Simple Machines Lab 2