EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:4.2.4 Cracking
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:4.2.4 Cracking Cracking Saturated molecules contain single bonds only whereas unsaturated molecules contain double bonds between their carbo...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:4.2.4 Cracking Cracking Saturated molecules contain single bonds only whereas unsaturated molecules contain double bonds between their carbo...
Practical: Data loggers & Computer Modelling Data loggers Dataloggers are a tool that allows for the quick and efficient gathering of data This technology can be used for simple data collection...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:4.2.3 Nitrogen Oxides & Sulfur Dioxide Formation of Nitrogen Oxides Nitrogen Oxides These compounds (NO and NO2) are formed when nitroge...
Practical: Investigating Biodiversity Using Sampling Use of sampling techniques in fieldwork Sampling is a method of investigating the abundance and distribution of species and populations There ar...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:4.2.1 Crude Oil & Fractional Distillation Crude Oil & Fractional Distillation Crude oil as a mixture is not a very useful substance ...
Drawing Cells From Blood Smears To record the observations seen under the microscope (or from photomicrographs taken) a labelled biological drawing is often made Biological drawings are line pictur...
Practical: Dissection of Gas Exchange Surfaces in Fish & Insects The safe use of instruments for the dissection of an animal or plant organ Dissections are a vital part of scientific research T...
Practical: Aseptic Techniques When investigating the effect of antimicrobial substances on microbial growth it is essential that aseptic (sterile) techniques are used Aseptic techniques ensure the ...
23Fall的申请已经开始,英本申请这几年是越来越“卷”,从A-Level成绩上已经很难和其他申请者拉开差距。EPQ项目对申请英国大学作用大吗?凭什么EPQ可以成为申请中的加分利器? EPQ是什么? EPQ代表Extended Project...
© 2025. All Rights Reserved. 沪ICP备2023009024号-1