Physical science grade 10 (Ntando)

Course contents
1. Vectors and scalars
1.1 Introduction to vectors and scalars
1.2 Properties of vectors
1.3 Techniques of vector addition
1.4 .Exercise

2. Motion in one dimension (straight line)
2.1 Define the displacement and distance.
2.2 Explain the difference between average velocity, average speed and average acceleration.
2.3 Explain the difference between instantaneous velocity (velocity) and average velocity.
2.4 Explain the acceleration (instantaneous acceleration).
2.5 Equations of motion (constant acceleration)
2.6 Demonstrate the problem-solving strategy.

3. Mechanical energy
3.1 Introduction
3.2 Potential energy
3.3 Kinetic energy
3.4 Mechanical energy
3.5 Conservation of mechanical energy

4. Electrostatics and electric circuits
4.1 Introduction and key concepts
4.2 Two kinds of charge
4.3 Conservation of charge
4.4 Quantisation of charge
4.5 Electric circuits 280
4.6 Potential difference and emf
4.7 Current
4.8 Resistance
4.9 Series resistors
4.10 Parallel resistors

5. pulses
5.1 Introduction and key concepts
5.2 Pulses: amplitude and length
5.3 Superposition of pulses

6. Transverse waves and Longitudinal waves
6.1 Introduction
6.2 What is a transverse wave?
6.3 Crests and troughs
6.4 Amplitude and Points in phase
6.5 Period and frequency
6.6 Speed of a wave

7. Sound
7.1 Introduction
7.2 Speed of sound
7.3 Characteristics of a sound wave
7.4 Ultrasound

8. Electromagnetic radiation 186
8.1 What is electromagnetic radiation?
8.2 Wave-like nature of EM radiation
8.3 Electromagnetic spectrum
8.4 Penetrating ability of EM radiation
8.5 Particle-like nature of EM radiation
9. Physical and chemical change
9.1 Introduction
9.2 Conservation of atoms and mass in reactions
9.3 Law of constant composition

10. The atom and the periodic table
10.1 Introduction
10.2 Models of the atom
10.3 Atomic mass and diameter
10.4 Structure of the atom
10.5 Isotopes
10.6 Electronic configuration
10.7 The arrangement of the elements
10.8 Chemical properties of the groups

11. Classification of matter
11.1 Materials
11.2 Mixtures
11.3 Pure substances
11.4 Names and formulae of substances
11.5 Metals, Metalloids and Non-metals
11.6 Electrical conductors, semi-conductors and insulators
11.7 Thermal Conductors and Insulators
11.8 Magnetic and Non-magnetic Materials
11.9 States of matter and the kinetic molecular theory
11.10 The kinetic molecular theory

12. Chemical bonding and balancing equations
12.1 Introduction
12.2 Lewis structures
12.3 Covalent Bonding
12.4 Ionic bonding
12.5 Metallic Bonding
12.6 Writing formulae