Introduction

Question 1

carbon is one of the most chemically

Answer 1

versatile of all the elemtents

Question 2

scientists think there are more than………..carbon compounds on earth

Answer 2

ten million different

Question 3

carbon is found

Answer 3

in all life forms and sedimentary rocks

Question 4

the carbon cycle outlines how carbon is transformed from………to ……………..and back again

Answer 4

organic compounds to inorganic compounds

Question 5

most of the energy (chemical) needed for life is stored in

Answer 5

organic compounds as bonds between C atoms and other atoms

Question 6

CO2 is

Answer 6

carbon dioxide, a gas

Question 7

CO2 is found

Answer 7

in the atmosphere, oceans and soil

Question 8

CH4 is

Answer 8

methane, a gas

Question 9

CH4 is found

Answer 9

in the atmosphere, soils, ooceans and sedimentary rocks

Question 10

CaCO3 is

Answer 10

calcium carbonate, a solid

Question 11

CaCO3 is found

Answer 11

in calcareous rocks, oceans and in the shells of ocean creatures

Question 12

hydrcarbond are found

Answer 12

in sedimentary rocks

Question 13

bio-molecules are….and found in

Answer 13

complex carbon compounds produced in living things and found in organic matter