"Ward's® Thermochemistry In The Bag Inquiry Demonstration Activities"

Hematite-cemented quartz; orthoquartzite.

Foliated biotite, coarse, silvery gray with quartz-feldspar bands.

Typical green-gray, fissile, clay-rich.

Brownish gray, kerogen-rich; commercial oil source.

Slaty cleavage; contains hematite.

Chlorite-mica with perfect slaty cleavage.

White, very dark green, and very dark red to light red granoblastic intergrowth of wollastonite, diopside, and andradite.

Define and compare ways organisms have been preserved.

Individual fusulinids. Vial of ten.

Everything you need to safetly collect and culture bacteria and fungi from your environment

These industrious scavenger insects devour organic matter — the larvae will even clean a skeleton of muscle, skin and cartilage.

These African clawed frogs are entirely aquatic and thrive in an ordinary freshwater aquarium. They are often used in developmental studies and genetic experiments.

Students determine contamination levels of ground beef in different environments.

With this Complete Earthworm Dissection Lab, you’ll receive: 10 high quality specimens that are easy to pin and dissect, packed in formaldehyde-free Borealene II. 20 student manuals with pre-test, post-test and easy to follow step-by-step instructions. 10 disposable dissection trays that offer direct pinning to the surface with no cleanup or resurfacing. Teacher’s guide with student objectives, teaching hints and answers to student tests. Replacement Student Manuals and Teacher’s Guides may also be purchased separately.

Put a piece of Earth's ancient history in the hands of your students.

Dehydrated Preserved