In this activity you observe photographs of cells and then make comparisons of the animal and plant cells.

Students are introduced to the nano-size length scale as they make measurements and calculate unit conversions. They measure common objects and convert their units to nanometers, giving them a simple reference frame for understanding the...

This instructional activity explores the making of comparisons by using percents. In this instructional activity you will compare your class's favorite foods using percents. Students will use cooperative groups to answer follow up...

In this instructional activity, the middle schoolers will learn what a ratio is and how it can be used in a comparison. In this instructional activity, students will also determine how to combine a sports drink in powder form and water...

An easy to do activity that investigates the basic principles behind chemical bonding. The activity is written in lesson plan format that meets NSES standards.