Select natural and man made matter from the following list:
Wood,plastic,silk,medicines,detergents,coal,water,ceramic,cotton,glass,nylon,fruits.

Select conductors and insulators from the following: Glass, silver, copper, wood, paper, pure water, impure water, aluminium, iron, leather, plastic, steel, human body and ebonite.

Select conductors of electricity from the following : Copper wire, silk thread, pure water, acidulated water,human body, glass, mercury.

Select the renewable and non renewable sources o energy from the following: a. Coal b. Wood c. Water d. Diesel e. Wind f. Oil

Medicines are either man made (i.e., synthetic) or obtained from living organisms like plants, bacteria, animals, etc., and hence, the latter are called natural products. Sometimes, natural products are chemically altered by man to reduce toxicity or side effects. Write against each of the following whether they were initially obtained as a natural product or as a synthetic chemical.