Science Education

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  • upvoted.top:Magic Sand (Blue)

    Magic Sand (Blue)

    443

    Magic Sand is regular sand which has been dyed and coated with a hydrophobic substance — a substance which repels water. Oil, for example, is a hydrophobic substance. Pour a little oil into a cup of water and the oil does not mix; it simply floats to the surface. Magic Sand works just the same way except that Magic Sand sinks. The coating on the outside of the magic sand repels water and keeps the sand dry! To store, simply remove the sand from the water with a spoon… it is perfectly dry! …


  • upvoted.top:Megalodon Shark Tooth Replica

    Megalodon Shark Tooth Replica

    380

    Megalodon Shark Tooth. Measures 4 x 5.3 inches. Absolutely the BEST MEGALODON SHARK TOOTH replica I’ve Ever Seen!! This reproduction Meg Tooth comes from an actual one that cost thousands of dollars. A MONSTER TOOTH measuring in at 5.3 inches. Add this one to your order today. Made of sturdy fiberglass and resin.