"Dig It"

Life's a garden: dig it! The fifth lesson in a 10-part series allows pupils to dissect flowers in order to understand the number and type of sepals, petals, stamens, and pistils for different varieties. It also introduces floral formulas...

Named for the soldiers who operated artillery cannons, the bombardier beetle operates a cannon of its own. The video explains how it sets off a chemical reaction creating a small explosion they can aim at a predator. The evolution of the...

New York, Paris, Milan ... and now, high fashion in a California tide pool! Junior zoologists explore the world of the decorator crab and learn about its amazing camouflage. Also featured is the moss crab, which incorporates anemone into...

Why is it important to preserve historical documents and artifacts? Examine the role of primary source documents and the availability of these documents on the Internet. Middle and high schoolers write a journal about the nature of...

"Is this a good evolutionary adaptation, or is it going to lead us to being the shortest lived hominid species on planet earth?" Listen as Kenyan paleontologist Louise Leakey discusses our evolution from common ancestry and her work in...

The discovery of the remains of King Richard III in early 2013 sparked media attention all over the world. Take a walk through the archaeological site itself and learn about the process behind the excavation, from how the dig site was...

Archaeology digs are much like giant jigsaw puzzles. The artifacts found are often in pieces and scientists must reconstruct them. A hands-on activity lets young archaeologists experience this facet of the job as they create, smash, and...

Students use a mock archaeological site to dig up artifacts. They read an article about artifacts found in Syria. They develop a list of artifacts that are related to specific sites in the community. They create an exhibition of these...

Flashy animation, superb narrative, and a touch of bad-hair-day humor explain the nature of chiral molecules in this five-minute feature. Viewers find out how chemist Jacobus Van't Hoff proposed that some saturated carbon molecules are...

Go with the flow! The eighth installment in a 13-part series has earth science students dive in to the world's system of ocean currents. The interactive illustrates the different types and depths of currents, how wind and gravity...