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...
Practical: Ethical Use of Organisms The safe and ethical use of organisms to measure plant or animal responses or physiological functions When using live animals in biological experiments, care mus...
Drawing Conclusions Evaluating experimental results and drawing conclusions from them are two very important skills Evaluation of results is a different skill from evaluation of the experimental pr...
Mathematical Analysis of Results Quantitative investigations of variation can involve the interpretation of mean values and their standard deviations A mean value describes the average value of a d...
Presenting Experimental Data There are many different types of experiments that can be conducted in biology The data collected from biological experiments can vary greatly across the subject For ex...
