Wheat Germ DNA Necklace Refill Grades 3-5 (Kit) This is a refill kit. Kit includes stir sticks, pipettes, microcentrifuge tubes, and yarn to refill the consumables in the Wheat Germ DNA Necklace kit. Includes enough refill materials for 30 students. $14.00 Add to Cart Compare
Wheat Kernel Samples Grades 3-5 (Kit) This kit contains kernels of the six classes of wheat grown in the United States and information cards describing their characteristics. Samples of Hard Red Winter, Hard Red Spring, Soft Red Winter, Soft White, Hard... $18.00 Add to Cart Compare
Why Can a Cow Eat Grass? Grades 3-8 (DVD 29 min.) This video provides an in-depth look at the digestive tract of cattle, focusing on differences between cattle and human digestive systems. Take a journey into a cow's stomach and microscopically view the stomach contents... $12.00 Add to Cart Compare
Wind Power Grades 3-12 (Kit) Engage students with this engineering design challenge! Students will design and construct a barn, and create a wind turbine that produces electricity for the barn (lights up an LED light). This fun challenge is included in... $68.00 Add to Cart Compare
Wool Ewe Keep Me Warm? Grades 3-8 (DVD 27 min.) What is wool and where does it come from? How does it get from the sheep to the sweater? Why do shepherds use dogs to herd sheep? Why have sheep been important to humans since prehistoric times? These questions and many more are... $12.00 Add to Cart Compare
