| Flipping the Bottle |
Drinking Water from the Sea |
How Round Is The Earth? |
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Flipping can be fun! Sometimes objects do not flip exactly as we expect… |
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Use the energy of the Sun to produce clean fresh water fro sea water… |
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Find out how Eratosthenes made a pretty accurate calculation of the circumference of the Earth… |
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| Oil Well Blowout Simulator |
The Absorbency of Rock
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Build a Buckyball |
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This experience illustrates one of the major risks in drilling an oil well… |
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Did you know that rock can actually absorb liquid like a sponge? This experiment shows you how to prove it. |
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The atoms of a C60 molecule are arranged in a shape that is the same as a football, or American soccer ball. Make a paper model of a this molecule… |
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| The Permeability of Soil |
Energy Efficiency
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The Brazil Nut Effect
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Test the soil where you live to find out if permeability is high or low… |
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Even in extreme climates the ground maintains a relatively constant temperature. See for yourself how this works… |
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When you open a can of mixed nuts it often seems that the big nuts are on top. Find out how this happens… |
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| Building the Hele-Shaw Cell |
Porosity
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CO2 Absorption |
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See how sand grains of different sizes and shapes may naturally separate after being thoroughly mixed together… |
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How much open space is there in rock? In this experiment we check the porosity of gravel, sand and silt, the raw materials that sandstone is made of. |
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Explore the possibility of removing carbon dioxide from the air and storing it in other places… |
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How Long Is the Day?
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Personal Seismographs |
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When did the Sun come up this morning? What time will it set tonight? Share data with other people around the world and discover some surprising patterns… |
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How are intensity and duration of earthquakes are recorded? We'll show you how to build two versions of your own personal seismographs… |
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