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Find some rare earth metals in ordinary garden soil
By BookStore on September 22, 20150Feel like doing some mining for rare metals in your own garden? The dirt in ordinary garden soil can...
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Measure the extend of creeping soil on hillsides
By BookStore on September 22, 2015Hillsides are prone to moving or 'creeping' soil where the soil creeps along in a gradual downward flow. Use...
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Use the continents of today as puzzle pieces to reconstruct the past
By BookStore on September 22, 2015Scientists believe that all present continents were once joined together and collectively known as a 'supercontinent' called a Pangaea....
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Use cornstarch to make a substance that behaves like a solid and a liquid
By BookStore on September 22, 2015The earth's surface layers are made of solid material, but a small layer in between the crust and the...
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Crack open a stone with the power of ice crystals
By BookStore on September 22, 2015Can you believe that even the tiniest trickle of water, when it freezes, can split open a large boulder...
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Test if marble is present in rock samples
By BookStore on September 22, 2015When unpolished marble is found in the rough, most people will confuse it with just any other metamorphic rock....
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Make your own rock tumbler
By BookStore on September 22, 2015Jewellers make use of rock tumblers to imitate the natural abrasion of rocks in nature to become shiny polished...
