"live microorganism"

Classroom Survey Set Ideal for General and Earth Science Classes

Thirty-two hand selected plant and animal fossils with a classroom activity set.

Re-create Life in One of the Most Ancient Geologic Eras

Rediscover Organisms from Each Mesozoic Period

Interpret the History of a Specific Geologic Era

Quickly and Accurately Identify, Differentiate, and Quantify Coliform Contamination in Water Samples

Common geological materials conveniently packaged for lab, classroom, or industrial use.

Perform live demonstrations showing how streams are created and constantly changing.

Learn about spaceships and the international space station while creating different models.

Less confusing than other test kits that require students to distinguish different bacterial colonies on a Petri dish, this test features a distinct color change that will tell with certainty if fecal coliforms are present.

These delightful young reader books use splendid cut-outs, eye pleasing illustrations and even an amusing song or two to guide students through the changing seasons, to teach them that weather can be observed and that weather can vary from day to day and from season to season, and that weather can affect what we do and what we wear.

Make Sure the Water is Free of E. coli

Bacteria Make Up Much of the Composition of the Soil

Answer the questions asked by younger students.

Explore the sea with an olympian.

Sharpen basic geography skills.