Monday, March 17, 2008

Formulating Definitions

Hi Students,

The following are answers of the exercise, Formulating Definitions, in EfS p 72:

2) An antibiotic is a drug that cures bacterial diseases.

3) A lung is an organ for breathing.

4) Acoustics is the science of sound.

5) Photosynthesis is the process by which plants manufacture food.

6) A catalyst is a substance that speeds up but is not changed by a chemical reaction.

7) A calorie is a unit that measures heat. OR A calorie is a unit for measuring heat.

8) A cyclotron is an apparatus that bombards the nuclei of atoms.

Hope this is helpful!

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