EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.2 2 Pure Substance vs Mixture Pure Substance vs Mixture In everyday language we use the word pure to describe when something is natural or...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.2.1 Element, Compound or Mixture Classify an Element, Compound or Mixture You need to know the following definitions Classify an El...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：1.1.3 Solutions Solutions Terminology You need to know all the following terms used when describing solutions: Terminology Abo...
Edexcel IGCSE Chemistry: Double Science 复习笔记：1.1.2 Diffusion & Dilution iffusion & Dilution Diffusion and dilution experiments support a theory that all matter (solids, liquids ...
Edexcel IGCSE Chemistry: Double Science 复习笔记：1.1.1 The Three States of Matter The Three States of Matter The three states of matter are solids, liquids and gases A substance can ...
Edexcel IGCSE Physics: Double Science 复习笔记：8.2.3 The Life Cycle of Larger Stars The Life Cycle of Larger Stars A large star is one that is much larger than the Sun Stars that are larger...
Edexcel IGCSE Physics: Double Science 复习笔记：8.2.2 The Life Cycle of Solar Mass Stars The Life Cycle of Solar Mass Stars 1. Nebula All stars form from a giant cloud of hydrogen gas and du...
EDEXCEL IGCSE PHYSICS: DOUBLE SCIENCE 复习笔记： 8.2.1 Classification of Stars Classification of Stars Stars come in a wide range of sizes and colours, from yellow stars to red dwarfs, from ...
Edexcel IGCSE Physics: Double Science 复习笔记：8.1.4 Orbital Period Calculating Orbital Period When planets move around the Sun, or a moon moves around a planet, they orbit in circular moti...
