How Many Cells are Born in a Day?

Teacher's notes, a materials list, detailed procedure, tips, and extension ideas are all included to make teaching this lesson on photovoltaic cells a sunny spot in your day! After some brief background reading, physical science...

With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...

Human fingerprint patterns are the result of layers of skin growing at different paces, thus causing the layers to pull on each other forming ridges. Here, groups of learners see how patterns and fingerprints assist scientists in a...

"If global warming is real, why is it so cold?" Distinguishing the difference between weather and climate is important when it comes to understanding our planet. In these activities, young scientists look at the climate patterns in a...

The next time you read a magazine or watch the news, make note of how many graphs you see because they are everywhere! Here, scholars collect, enter, and graph data using computers. The graphs are then analyzed to aid in discussion of...

[Free Registration/Login may be required to access all resource tools.] Given a set of data, students will understand how to correctly draw a line or bar graph, interpret its patterns, and find the slope in the case of a line graph.

Middle schoolers examine cell division and the process of mitosis.  For this cell reproduction lesson students grow yeast and observe the results, and learn about the career of scientific illustration. 

Let's hope that your soap is doing what it's supposed to! The second of six installments in the Cells unit has scholars perform an experiment cultivating bacteria in Petri dishes. They test soaps and detergents to see which is most...

The United States is a large country with many different climates. Graph and analyze temperature and rainfall data for Sacramento and Washington DC as you teach your class about the characteristics of Mediterranean climates. Discuss the...

Learners predict the number of cells after a series of cell divisions.  In this cells lesson students create a graph of their results and create a patterned drawing.