Curated OER
Weight Lifter - An Air Pressure Experiment
First graders participate in a study of air pressure in which the investigate if air has the strength to lift heavy objects. They work in teams to develop a hypothesis about whether air in bags would be able to lift a stack of books....
Curated OER
The Way Levers Work
Fifth graders discover the rules by which the lever slants and balances. They determine that there are a great many tools that employ the lever principle even in their ordinary environments. They consider how to use objects easily...
Curated OER
Hanging Around
Learners explore weight by building a spring scale and observing how it responds to objects with different masses. Each team of students can make their own spring scale by following steps which are specifically outlined in the plan. As...