US Mint
Coin Connections
Help young mathematicians make cents out of the US currency system with this two-part math lesson plan. Children first learn the names and values for each type of coin, before learning to count and compare the values of coins using the...
North Carolina State University
Construction
Engineering design projects serve as great opportunities for collaborative problem solving. In this case, learners work in small groups designing, building, and eventually testing a structure that meets a teacher-specified objective. It...
Teach Engineering
What Makes Our Bones Strong?
So is that what you meant by rubber legs? The activity has pairs subject a chicken bone to vinegar and observe what happens over a period of days. Individuals then write up a lab report and document their observations and findings.