<p> Modern Marvels – Carbon 18) How will carbon be used for a space elevator? </p><p>1) A Champ car can go from 0 – 100 in ______Modern Marvels – Carbon 2) Why are Indy cars built with carbon? ______1) A Champ car can go from 0 – 100 in ______2) Why are Indy cars built with carbon? ______3) Strong 68% carbon material is known as ______4) What are the three key reasons carbon is used to build airplanes? 3) Strong 68% carbon material is known as ______4) What are the three key reasons carbon is used to build airplanes? 5) Carbon is the most abundant element that forms ______structures. ______6) Carbon is versatile because it has ______valence electrons and its size is 5) Carbon is the most abundant element that forms ______structures. ______. 6) Carbon is versatile because it has ______valence electrons and its size is 7) What does carbon do best? ______. 8) Steel makers turn carbon into a clean burning fuel known as ______7) What does carbon do best? ______9) Plant cell walls are known as ______8) Steel makers turn carbon into a clean burning fuel known as ______10) A plant fuel is being developed that will cost ______per gallon. 9) Plant cell walls are known as ______11) One of the softest carbon minerals on the planet: ______10) A plant fuel is being developed that will cost ______per gallon. 12) How is graphite used on the space shuttle? ______11) One of the softest carbon minerals on the planet: ______13) Why are pencils hex shaped? ______12) How is graphite used on the space shuttle? ______14) What country produces the most pencils? ______13) Why are pencils hex shaped? ______15) One gram of activated carbon will cover the surface of a ______14) What country produces the most pencils? ______16) Which element is used to kill bacteria in water? ______15) One gram of activated carbon will cover the surface of a ______</p><p>17) What Hawaiian plant is used to clear air in space capsules? ______16) Which element is used to kill bacteria in water? ______</p><p>17) What Hawaiian plant is used to clear air in space capsules? ______</p><p>18) How will carbon be used for a space elevator? </p><p>______</p>