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1L bottle. This pearly white substance is excellent ..
How do we know continental plates move? Why do we th..
In this fun and informative series, visitors from a ..
Myrna Martin. The 16 lessons in this book are design..
39 x 26". This dramatic map of the world captures th..
Grades 9-college. This exciting inquiry-based kit ex..
Built on the proven IRIS (Incorporated Research Inst..
Watch geologic time unfold in your classroom! The Te..
Grades 8-College. Students actually see how volcanoe..
This 4-part kit helps students explore the structure..