Classification of Chemicals: Elements, Compounds and Mixtures Kit, three lab activities to help understand the differences between elements, compounds and mixtures, Kit contains enough materials for 15 groups.
Quick and easy tool, for demonstrating thermal expansion, four bar combinations: Brass/Aluminum, Brass/Iron, Copper/Iron, and Brass/ Copper. Since each metal has a different coefficient of thermal expansion, they will create a unique curve when paired with a different metal
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