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Use cornstarch to make a substance that behaves like a solid and a liquid
By BookStore on September 22, 20150The 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...
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Make a simple astrolabe to measure the altitude of objects in the sky
By BookStore on September 22, 2015An 'astrolabe' is a device used for measuring altitude, including the height of objects in the sky. The name...
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Make a simple seismograph
By BookStore on September 22, 2015Scientists use special machines called 'seismographs' to record the 'seismic waves', or movements in the earth's crust. Each magnitude...
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Measure the height of your school with the use of the sun
By BookStore on September 22, 2015Think of some ways to measure the height of your school building with relative accuracy and ask some of...
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Use a wristwatch and the sun as a compass
By BookStore on September 22, 2015A very old method of finding north without a compass is by using your wristwatch, the sun and a...
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Make dirty water pure and drinkable with evaporation & condensation
By BookStore on September 22, 2015In the following science experiment you will learn how dirty water can be purified, by using only a container,...
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Measure the height of your school hall ceiling with a helium balloon
By BookStore on September 22, 2015There are many fascinating ways of determining the height of a ceiling without having to physically measure its height...