National Science Year 9

Written for the AUSTRALIAN Junior Science Syllabus.

• Master the syllabus content and key exam skills
• Check your understanding every couple of pages
• Complete the exercises and exam questions
• Compare your work with the answers supplied.

Contents:

Chapter 1 Body Systems

• Requirements for life
• Systems working together
• Responses
• Micro-organism cause changes
• Non-infectious diseases
• Chapter 1 test

Chapter 2 Communities and the Environment

• Ecosystems
• Relationships
• Size od populations
• Energy flows
• Changes in ecosystems
• Chapter 2 test

Chapter 3 The Structure of Matter

• History of the atom
• The structure of atoms
• Subatomic particles
• Radioactivity
• Chapter 3 test

Chapter 4 Chemical Reactions

• Chemical reactions
• Interpreting chemical equations
• Energy in chemical reactions
• Cell respiration and photosynthesis
• Combustion and oxidation reactions
• Extinguishing fires
• Fire safety in your labratory
• Comparing fuels
• Chapter 4 test

Chapter 5 More Chemical Reactions

• Properties of acids and bases
• Neutralisation
• Acids and carbonates
• Acids and metals
• Chemical magic
• Chapter 5 test

Chapter 6 Plate Tectonics

• Earthquakes and volcanoes
• The theory of plate tectonics
• Mid-ocean ridges
• Pangaea
• Evidence for Pangaea and plate tectonics
• Technologies for mapping movement
• Stable Australia
• Chapter 6 test

Chapter 7 Waves and Energy

• Waves
• Using electromagnetic energy
• More about light
• Chapter 7 test

Chapter 8 Heat Energy

• Heat conduction
• Heat convection
• Heat radiation
• Applications of heat energy transfer
• Chapter 8 test

Chapter 9 Electrical

• Electricity-flowing neergy
• Electric circuits
• Factors affecting energy circuits
• Chapter 9 test

Answers