Substrand: "8.8 Small particles of matter" (12 periods)

This sub-strand deals with elements as building block of matter. Elements are made of the same type of atoms. An atom has protons, neutrons in the centre and electrons outside the atom. These particles- electrons, protons, and neutrons determine the structure of an atom.

Learner's should:

Learner's should:

Learner's should:

8.8.1 know that elements are building blocks of matter (k)

8.8.1.1 give examples of elements (first 20 elements in the periodic table and the common element such as; silver, zinc, lead, mercury copper and iron
8.8.1.2 write the symbol of first 20 elements and the common element such as; silver, zinc, lead, mercury copper and iron common ones

8.8.2 know that an element is made up of the same type of atom (k)

8.8.2.1 identify common elements such as; Aluminium foil, iron nail, gold medal, silver medal

8.8.3 be able to show the structure of an atom (s)

8.8.3.1 draw diagrams of the first 20 atoms, show nucleus (with neutrons and protons) and electrons
8.8.3.2 use common everyday material to construct a model of an atom

8.8.4 appreciate atomic model developed by scientist (a)

8.8.4.1 name the scientists and their contributions towards the understanding of atoms and elements