CIE IGCSE Biology: 复习笔记：1.1.4 Diffusion
CIE IGCSE Biology: 复习笔记：1.1.4 Diffusion Diffusion This is the process by which different gases or different liquids mix and is due to the random motion of their particles Diffusing particles m...
CIE IGCSE Biology: 复习笔记：1.1.3 Pressure & Temperature in Gases
CIE IGCSE Biology: 复习笔记：1.1.3 Pressure & Temperature in Gases Pressure & Temperature in Gases A change in temperature or pressure affects the volume of gases As the air inside a hot ai...
CIE IGCSE Biology: 复习笔记：1.1.2 States of Matter
CIE IGCSE Biology: 复习笔记：1.1.2 States of Matter State Changes Melting Melting is when a solid changes into a liquid Requires heat energy which transforms into kinetic energy, allowing the parti...
CIE IGCSE Chemistry: 复习笔记：1.1.1 Kinetic Theory
CIE IGCSE Chemistry: 复习笔记：1.1.1 Kinetic Theory Solids, Liquids & Gases Solids Solids have a fixed volume and shape and they have a high density The atoms vibrate in position but can’t chan...
CIE IGCSE Biology: 复习笔记：21.1.3 Genetic Modification
CIE IGCSE Biology: 复习笔记：21.1.3 Genetic Modification Genetic Modification: Definition Genetic modification Genetic modification is changing the genetic material of an organism by removing, chan...
CIE IGCSE Biology: 复习笔记：21.1.2 Biotechnology
CIE IGCSE Biology: 复习笔记：21.1.2 Biotechnology Everyday Products Made with Biotechnology Biofuels Yeast is a single celled fungus that uses sugar as its food source When it respires, ethanol and...
CIE IGCSE Biology: 复习笔记：21.1.1 Usefulness of Bacteria
CIE IGCSE Biology: 复习笔记：21.1.1 Usefulness of Bacteria Use of Bacteria Microorganisms can be used by humans to produce foods and other useful substances The most common type of mi...
CIE IGCSE Biology: 复习笔记：20.1.7 Reasons for Conservation: Extended
CIE IGCSE Biology: 复习笔记：20.1.7 Reasons for Conservation: Extended Reasons for Conservation: Extended There are numerous reasons why conservation programmes are important Maintaining or increas...
CIE IGCSE Biology: 复习笔记：20.1.6 Endangered Species
CIE IGCSE Biology: 复习笔记：20.1.6 Endangered Species Conservation for Endangered Species Endangered Species An endangered species is at risk of becoming extinct There are several reasons w...
