Senior Secondary

GRADE 7

MATTER & MATERIALS

Properties of materials

• Physical properties of materials
• impact on the environment

Introduction to the Periodic Table of Elements

• Arrangement of elements on the Periodic Table
• Some properties of metals, semi-metals and non-metals

· Sources of energy

• Renewable and non-renewable sources of energy
• Potential and Kinetic Energy
• Law of conservation of energy

GRADE 8

MATTER & MATERIALS

Atoms

• building blocks of matter
• Sub atomic particles
• Pure substances
• Elements
• Compounds
• mixtures of elements and compounds

Particle model of matter

• The concept of the particle model of matter
• Change of state

Chemical reactions

• Reactants and products

ENERGY & CHANGE

Energy transfer in electrical systems

• Circuits and current electricity

GRADE 9

MATTER & MATERIALS

Compounds

• The Periodic Table
• Names of compounds
• Chemical reactions
• Chemical equations to represent reactions
• Balanced equations

o   Reactions of metals with oxygen

• The general reaction of metals with oxygen

o   Reactions of non-metals with oxygen

• The general reaction of non-metals with oxygen

ENERGY & CHANGE

Forces

• Types of forces
• Contact forces

Electric cells as energy systems

• Electric cells oxygen
• Safety with electricity
• Safety practices

PLANET EARTH & BEYOND

Mining of mineral resources

• Extracting cares
• Refining minerals
• Mining in South Africa