Citric Acid, powder, monohydrate, 100 g

Learn how Earth's surface features change by natural and human-caused events. Build sand castles and wash them away in this earth science kit. Discover erosion prevention and design your own solution for preventing damage from moving water.

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This protein test kit comes with 5 protein test strips. These test strips make it easy to semi-quantitatively test samples like urine for protein.

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This Butterfly Garden Homeschool Edition comes with everything needed to transform 5 tiny caterpillars into butterflies. Does not contain live insects; simply use the voucher inside to redeem your FREE cup of 5 caterpillars!

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Study cellular respiration & photosynthesis with Algae Beads! The beads are in a pH-sensitive solution, which changes color based on whether or not the algae are undergoing photosynthesis or respiration. Shipping is free!

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Colored safety goggles add some color to your lab! This 6-pack of goggles comes in three translucent colors: red, green, and blue (two of each). Adjustable to fit kids and adults.

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Get enough grit to polish 3 pounds of rock. Includes fine grit, pre-polish, and polish (super fine).

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Small plastic funnel, 35 mm in diameter. Useful in micro chemistry.

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Mix and heat with this economical laboratory hot plate! Includes an integrated magnetic stirrer. Features dual controls for temperature and stir speed. Adjustable up to 250°C.

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Learn more about a variety of land animals as you do the fun hands-on science activities in Apologia's Exploring Creation with Zoology 3.

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This combination hydrometer and thermometer measures the specific gravity and temperature of saltwater aquariums or for water salinity science projects.

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