Chemical, Physical (35 images)
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CX09-011b Salt Crystal NaCl electron...
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CX14-500z Energy Efficient Wood Fire - Jotul...
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CX03-001b Chemistry apparatus - chemicals and...
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WF26-500z Dam controlling water flow from Lake...
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CX02-001a Oxidation - apple oxidizing in air
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CX09-001a Oxidation of nails (iron) in cupric...
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CX03-003a Chemistry apparatus - chemicals and...
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CX05-005a Mural of Einstein with student...
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EQ03-001b Oxidation - rust on old car
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EQ03-004z Oxidation - rust on old car
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FA18-001z Weather - boy shoveling snow
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FA18-040z Weather - path dug after heavy snow...
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FA24-001z Weather - child in rain
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FA24-002z Weather - child in rain
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JB06-002x Salt crystals - sodium chloride
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JB06-013x Salt crystals - sodium chloride and...
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JB17-004x Chemical change - striking a match
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JB19-007x Electricity - safety issue - too...
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JB19-015x Potential energy - 6 volt batteries
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JB20-009x Weather instrument - thermometer
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SR05-001z Weather - foggy morning
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SR09-004z Weather - double rainbow after storm
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SR09-007d Weather - rainbow
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WG01-001b Weather instrument - weather vane,...
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WG04-001c Weather instrument - Aneroid...
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WG07-001a Weather - erosion in Georgia -...
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WG08-504z Dried up Pond grazing cows, Virginia
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WG08-505z Dried up Pond, Virginia
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WG08-506z Dried up Pond, Virginia
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WG08-507z Dried up Pond, Virginia
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WT01-001b Weather - snow covered apple
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WT06-001z Weather - snow covered road
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WT06-002b Weather - snow covered road
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WT09-006c Weather - weight of snow on trees
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WT09-011z Weather - snow