NOAA
Seafood and Human Health
Whether your young biologists realize it or not, humans play a significant role in marine ecosystems. To help them understand this fact children first create graphical representations that show homo sapiens' place in marine food chains,...
Baylor College
Observing Different Microbes
Following directions from a colorful slide preparation card, beginning biologists examine three different live microorganisms: bacteria, yeast, and paramecia. This is not an unusual activity to do with your class, but if you are doing it...
Baylor College
Modeling an HIV Particle
Models are an important part of science; they help us see the world on a scale that works for us. In the first of five lessons on HIV, learners make a paper model of the HIV virus that is about 500,000 times larger than the actual virus....
Baylor College
What Makes Water Special?
Get close up and personal with a drop of water to discover how the polarity of its molecules affect its behavior. Elementary hydrologists split and combine water droplets, and also compare them to drops of oil. Much neater than placing a...
Baylor College
What Is a One Part Per Million Solution?
Water may appear to be crystal clear, but there could be dissolved substances present. Lab groups make a one-part-per-million of a food coloring solution to demonstrate this concept. As part of an outstanding unit about water, this...