Gateway Science - Combined Science A - J250

18 个单元 · 44 个章节

免费 Gateway Science - Combined Science A - J250 学习笔记，适合 Cambridge OCR GCSE (9-1) 学生。每个章节都覆盖一个重点主题，并附例题与可延伸到 thinka app 的练习提示。

Biology - Cell level systems

Cell structures
What happens in cells (and what do cells need)?
Respiration
Photosynthesis

Biology - Scaling up

Supplying the cell
The challenges of size

Biology - Organism level systems

Coordination and control – the nervous system
Coordination and control – the endocrine system
Maintaining internal environments

Biology - Community level systems

Ecosystems

Biology - Genes, inheritance and selection

Inheritance
Natural selection and evolution

Biology - Global challenges

Monitoring and maintaining the environment
Feeding the human race
Monitoring and maintaining health

Chemistry - Particles

The particle model
Atomic structure

Chemistry - Elements, compounds and mixtures

Purity and separating mixtures
Bonding
Properties of materials

Chemistry - Chemical reactions

Introducing chemical reactions
Energetics
Types of chemical reactions
Electrolysis

Chemistry - Predicting and identifying reactions and products

Predicting chemical reactions

Chemistry - Monitoring and controlling chemical reactions

Controlling reactions
Equilibria

Chemistry - Global challenges

Improving processes and products
Interpreting and interacting with Earth systems

Physics - Matter

The particle model
Changes of state

Physics - Forces

Motion
Newton’s laws
Forces in action

Physics - Electricity and magnetism

Static and Charge
Simple circuits
Magnets and magnetic fields

Physics - Waves and radioactivity

Wave behaviour
The electromagnetic spectrum
Radioactivity

Physics - Energy

Work done
Power and efficiency

Physics - Global challenges

Physics on the move
Powering Earth

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