Fifth graders investigate how chemical energy in food and batteries is potential or stored energy. They discuss how batteries function, and create a class list of different forms of energy. Students then create a lemon battery that...

In this computer instructional activity, students read about computers and the definition of a computer. They build a simple computer using two rulers and learn to add numbers using the computer they build. They answer three critical...

Seventh graders investigate scientific methods to solve problems. They demonstrate creating data tables and graphs. They study the role of a scientist and the importance of safety in a science lab. They distinguish between an...

A representation of Minkowski spacetime diagrams using graph paper that is rotated, showing the world lines of three stationary observers with light clocks.