The Pocket Guide to Science: A Book of Questions and Answers on the Facts of Modern ScienceEdward Elway Free |
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absorb amount animals astronomers atoms attraction of gravity ball battery blood body boil bones brain breathe burn called carbon dioxide carrier wave causes chemical element cloud coal cold color contains corpuscles crystal earth elec electric electric current electrons energy ether waves explosion Fahrenheit faster fibres formed germs gland glass grow hair happens heart heat hydrogen impurities inch inside instance iron keep kind last answer layer light liquid living cells melts merely messages metal miles millions molecules moon move muscles nerve nitroglycerine ordinary oxygen particles plants poisons pressure probably produce R. S. Lull radio waves radium revolve rocks salt scientists believe shine skin solid sometimes sound standard candle stars stream substance sugar sunlight surface temperature things tiny tissues tricity trons unconscious unconscious mind Uranus usually vacuum tube vibrations weight wire yeast