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Why are rockets used for space flight?
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acid airplane algae amplifier analog computer animal answer arch balloon base battery holder bean plant Betelgeuse binary calculator binary number Blue Ridge Summit breadboard build camera capacitor cardboard chlorophyll circuit clouds color Comet compass constellation construction cork crayfish crystals electrical electrolytic capacitor electrons emulsion engineering fiber-optic cable film filter food color fossil Further Studies glass jar Halley's Comet hand lens helicopter hold hole inches inside iron rod knob leaf LED flasher lemon light litmus paper log cabin magnet Materials see Fig minerals mold moon Morse code move oatmeal box objects ounce periscope photogram photographic piece pinhole pinhole camera Place pop bottle potentiometer Procedure produced propeller protozoa pulley Purpose Radio Shack resistor Results rocket rotating sheet simple soil solar cells solar eclipse solution star string sunlight surface switch tadpole tape telescope temperature test tube tic-tac-toe transistor weather wing shapes wire