Page 4 - Big Ideas Year 10 sciPAD 2025

THE NATURE OF THE ATOM
Key Word List 7
Chemical Change vs. Physical Change 8
Atoms 10
Elements 11
Getting To Know The Periodic Table 12
Element Bingo 13
A Closer Look at Electrons 14
The Role of the Electron 15
Chemical Word Equations 16
Mixtures & Compounds 18
Balancing Symbol Equations 20
End of Chapter Puzzles 21
Nature of Atoms Chapter Review 23
End of Chapter Review Questions 24
THE BASIS OF REACTIONS
Key Word List 27
Chemical Equations Recap 29
What is an Acid? 30
What is a Base? 31
Indicators and the pH Scale 32
Testing pH 33
Making Indicators 34
Ruby and Hannah 35
Neutralisation 36
Useful Neutralisation 37
Writing Chemical Equations - Acid + Base 38
Making Salts 40
Making Salts II 41
Meet the Metals 42
Uses of Metals 43
Alloys 44
Metals and Acids 45
Writing Chemical Equations: Metal + Acid 46
Metals and Oxygen 47
Writing Chemical Equations: Metal + Oxygen 48
Testing for the Presence of Oxygen 48
Metal Carbonates and Acid 49
Writing Equations: Metal Carbonates + Acid 50
Corrosion 51
Corrosion II 52
End of Chapter Puzzles 53
Science Scramble - Chemical Reactions 55
Basis of Chemical Reactions - Chapter Review 56
End of Chapter Review Questions 58
FUELS & CLIMATE CHANGE
Key Word List 63
The Importance of Carbon 64
The Carbon Cycle 65
Fuels 66
Fossil Fuels 66
Combustion 67
Complete Combustion 68
Testing for Products of Combustion 68
Incomplete Combustion 69
Investigating the Products of Incomplete Combustion 69
Comparing Complete and Incomplete Combustion 70
The Dangers of Incomplete Combustion 72
A Closer Look at the Atmosphere 73
Carbon Dioxide in the Atmosphere - The Keeling Curve 74
The Greenhouse Effect 77
Possible Effects of Global Warming on New Zealand 78
Are Biofuels the Answer? 79
End of Chapter Puzzle 81
Fuels and Climate Chapter Review 82
End of Chapter Review Questions 83
CIRCUITS AND MAGNETS
Key Word List 86
What is Electricity? 87
Electricity and Circuits 88
Circuit Symbols 89
Drawing Circuit Diagrams 90
Drawing Circuit Diagrams II 91
Batteries Produce Electricity 92
Conductors and Insulators 93
Parallel and Series Circuits 94
Current in a Series Circuit 96
Current in Parallel Circuits 98
Voltage in a Series Circuit 100
Voltage in a Parallel Circuit 102
Accelerometers 104
Magnetism 105
What is a Magnet? 106
Magnetic Fields 107
Electromagnets 109
Uses of Magnets - Electric Motors 110
Locomotives that Levitate 111
End of Chapter Crossword 113
Science Scramble - Electricity and Magnetism 115
Circuits and Magnets Chapter Review 116
End of Chapter Review Questions 117
FORCES AND MOTION
Key Word List 120
Measuring Accurately 121
Introduction to Forces 122
Forces in Pairs 122
Balanced and Unbalanced Forces 124
Forces and Acceleration 125
Mass and Weight 126
Friction 127
Aerodynamics 128
CONTENTS