Antibiotic sensitivity disks, penicillin, 10 units, 50/vial

Use Erythromycin antibiotic sensitivity disks to test the effect of a particular antibiotic on different bacteria cultures. Contains 50 disks.

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This convenient set of antibiotic sensitivity discs contains two paper discs of four different antibiotics (8 discs total): Penicillin 10 units, Ampicillin 10 mcg, Neomycin 30 mcg, and Erythromycin 15 mcg.

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Use Ampicillin antibiotic sensitivity disks to test the effect of a particular antibiotic on different bacteria cultures. Contains 50 disks.

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Launch into the relationships of the Solar System and solar objects in this kit for Grades 8-12. Use ancient calendars and observations of planets, stars to study movement of solar bodies in the universe with five hands-on experiences.

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Go deeper with physics this school year as your student studies electromagnetic radiation, Newton's Laws, and more. This bundle includes detailed teacher guides, full-color student workbooks, and experiment supplies.

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Use sterile sensitivity discs to test a substance's effect on bacteria growth or as a control. Which household cleaners are best at inhibiting bacteria growth? Find out with this vial of 50 sterile sensitivity disks.

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Playing with magnets is irresistible, and it can also be a great learning moment. How many magnets will it take to launch a ball bearing, and how far will it fly? This kit provides a fun way to learn basic physics concepts.

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This chick and poultry feeder is ideal for young birds and quail.

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Science in the Beginning is the first book in a multi-level, Christian-based, elementary science series that uses history as a guide to teach science concepts.

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Study Escherichia coli Bacteria (E. coli) with this incredible live culture! This safe strain of E. coli is commonly found in your intestine and is not the kind that causes food poisoning. Arrives in a freeze-dried pellet.

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