Comparative Embryological Study of

Comparative anatomy prevails in the lesson exploring diversity among invertebrates. Biologists examine physical characteristics of an earthworm from phylum annelida and a meal worm from phylum insecta. They also inspect a cricket and a...

Did you know baking powder can be used to treat acne, whiten teeth, and make sugar cookies? The lesson on the development of baking powder is ready-to-go with no preparation required. Through readings, pupils answer questions, complete...

Crabs and lobsters ... yum! The 18th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program focuses on invertebrate marine life. After the lecture slideshow, learners conduct an activity to sample...

How quickly do animals evolve? Can comparing different samples of the same fossil answer timeline questions? Scholars use virtual labs to examine fossils and learn about stickleback evolution. They compare pelvic morphology in lakes...

We know that the type of soil varies by location, but does the seafloor sediment also vary, or is it all the same? Scholars compare photos of the seafloor from two different locations: the Savannah Scarp and the Charleston Bump. Through...

Geologists are gneiss, tuff, and a little bit wacke. The fifth chapter of seven includes ten activities at four different levels. The hands-on activities cover fossils including how they are formed, vertebrates, invertebrates,...

Physics stars design mobiles that demonstrate rotational equilibrium. They take measurements and solve related equations for force by graphing, substitution, or determinants. This is a well-developed lesson plan, complete with student...

Prokaryotes claim the title of the most numerous organisms on earth. The video, part of a Fuse School Biology playlist, focuses on the differences between prokaryotic and eukaryotic cells. It highlights the structure and function for...

This time-lapse microphotography of developing embryos shows the common ancestry of all vertebrates. Footage from NOVA: "Odyssey of Life." [4:42]

All mammals have warm blood, are vertebrates, breathe with their lungs, have hair or fur on their bodies, and produce milk for their young. But not all mammals give birth to their young in the same manner. Watch a video that explains how...