"WardsSci000478"

Collect Insects from Shrubbery

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An introductory rock set contains six samples from each of the three major rock types.

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Painstakingly handpainted for accuracy and realism.

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Study both an active alpine glacier and Its erosional effects.

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Light gray, earthy.

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White, fine, massive, opaque to slightly translucent.

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Measure relative humidity with weather bureau-type wet and dry bulb thermometers. Pocket-sized psychrometer is perfect for student use, as it presents no mercury hazards.

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Gray-to-brown basaltic, with over 50% vesicles.

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Shiny crystal clusters and crystalline groups, this 'fools gold' is brassy and leaves a black streak.

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Unpolished metamorphic rock with silky lusture, red-brown colour, and clear parallel intergrown quartz crystals.

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