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Are Microbes Alive?

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In this activity (on pages 19-21 of the PDF) learners observe mold growing on potatoes. Preparation for this activity has to start a week before, to allow time for the mold to grow on the potatoes.
1 cent - $1 per group Ages 4 - 14 30 to 45 minutes

Laser Projection Microscope

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In this activity, learners use a laser pointer to project a microscopic image of a liquid sample suspended from the tip of a syringe.
Over $20 per group Ages 14 - adult 30 to 45 minutes