Form 1:
Classification of substances

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Specific Objectives

By the end of the topic, the learner should be able to:

a) Carry out simple experiments to obtain pure substances from mixtures.

b) State the criteria for identifying a pure substance.

c) Define and determine the melting point and boiling point of a substance.

d) Explain the three states of matter (solid,liquid and gas) in terms of simplified form of kinetic energy .

e)State the effect of heat on a variety of substances

f) Distinguish between permanent and non permanent changes

g) Define an element,a compound,an atom and a molecule

h) Name and write chemical symbols of common elements

i) Recognize constituents of matter from given examples

j) Distinguish between mixtures and compounds

k) Apply seperation techniques to extract various substances from natural sources

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