Early Childhood Learning and Knowlege Center
My Body My Senses
In a comprehensive unit of activities, learners explore the five senses. Youngsters discover the many different body parts and their functions that allow humans to have sense of sight, touch, smell, taste, and hearing. The best way to...
It's About Time
Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases and...
It's About Time
The Nitrogen and Phosphorous Cycles
How do we affect the ecosystem, and what can we do to preserve it? Pupils explore chemicals that promote and inhibit plant growth, then discuss the importance of nitrogen and phosphorus to the survival of organisms and describe how...
National Nanotechnology Infrastructure Network
Silver and Bandages: Assessment of Inhibition of Bacteria by Silver Colloid-Impregnated Bandages
Silver: more than jewelry, it's also a natural antimicrobial agent. An inquiry-based lesson asks collaborative groups to design and implement an experiment to test this property. Using samples of silver nanoparticles and a strain of...
Serendip
Cell Differentiation and Epigenetics
Pregnant women exposed to PAH air pollution increase the risk of obesity in their children. The example of epigenetics, along with others, builds the basis for understanding the process of cell differentiation. Scholars view a video,...
Discovery Education
3D Printing Robots
What is water worth to you? The answer probably depends on many different variables. Learners explore the value of water in space and what it takes to transport the resource to locations in a galaxy far far away. They then consider...