EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:1.1.3 Solutions
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:1.1.3 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 ...
Temperature & Enzyme Activity Changing air temperature can have a significant impact on the metabolism of living organisms due to the effect of temperature on enzyme activity Enzymes have a spe...
The Effects of Climate Change Greenhouse gases absorb infrared radiation emitted by the earth, causing the atmosphere to warm The higher the concentration of greenhouse gases in the atmosphere, the...
Models of Future Climate Change It is possible to use existing data relating to global warming to make predictions about global temperatures in the future Using data in this way is known as extrapo...
The Greenhouse Effect When radiation from the sun hits the earth, it is radiated back from the earth's surface A greenhouse gas is a gas that absorbs this re-radiated radiation, trapping it in the ...
AMC是American Mathematics Competition(美国数学学术活动)的缩写,是由美国数学协会于1950年正式成立的。它的试题由简单到难,一点点让学生感觉到具有挑战性,可以让所有喜欢数学或者是热爱数学的学生都能参与...
Evidence for the Causes of Climate Change Scientists have long hypothesised that Climate change in the form of global warming is currently taking place Human activities that increase the concentrat...
Introduction to Climate Change The term climate refers to the weather conditions in a region over a long period of time i.e. several decades When the weather conditions in a region change significa...
AMC全称American Mathematics Competitions,原名“美国数学学术活动”,根据教育部要求,现改名为“美国数学思维挑战活动”。由美国数学协会MAA(Mathematics Association of America)于1950年成立,试题由哈佛、麻...
Practical: The Hill Reaction The light-dependent reactions of photosynthesis take place in the thylakoid membrane and involve the release of high-energy electrons from chlorophyll molecules in phot...
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