Nature, Red in Tooth and Claw

What do a bird, an egg, a rabbit, and a toad all have in common? This fun-filled resource explains the similarities and differences between cells and how all cells are similar, yet all are different. Learners begin by depicting a...

Learners take advantage of the qualities and characteristics of art media, techniques, and processes to enhance communication of their experiences and ideas. Then they select and evaluate a range of subject matter, symbols, and ideas of...

Students demonstrate size and orbits of Earth, Moon, and Mars. In this space science lesson plan, students will use balloons to show how the size and distance between the planets and satellite compare.

There's more to Brazil than the Amazon and soccer. The "massive piece of sovereignty complexity" known as Brazil is actually home to a blend of cultures, a flooded desert, and indigenous tribes. A video profile shows these details...

Students build a Bermuda coral reef to gain a better understanding of this ecosystem.

Students come to understand that in sexually reproducing organisms, such as humans, typically half of the genes come from each parent. Students examine a fictional pedigree and determine which gene is responsible for a given trait. The...

Learners participate in reading a scenario depicting illegal poaching of penguins in Antarctica. They analyze various meat samples to determine whether or not a "confiscated" tissue sample belongs to one of the missing Antarctic penguins.

Students explore the information depicted on topographic maps. They construct a 3-D topographic map of a local area. They go on a field trip to the depicted area and compare the 'real world' with their models.

From the Atomic Archive - the online companion to the award-winning CD-ROM. This page defines nuclear fusion and depicts the process by an informative diagram. Includes numerical values which describe the typical energy values for fusion...

Students investigate the protein cytochrome c in an attempt to use its genetic chemistry to study possible evolutionary relationships between organisms. The instructional activity integrates technology with the use computers to perform...