I am 7th grade and need help doing the bill Nye waves worksheet.
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Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?
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Which statements did both aristotle and ptolemy assume? check all that apply.
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What caused magnetic fields? what happens if you keep breaking a magnet in two until you reach a single atom?
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