2022北美丘獎即將截止報名!附北美賽區日程安排
今年的北美丘獎“姍姍來遲”,比去年晚了1個月才開始報名,但截止時間還是6月30日,論文的提交時間甚至還提前了10天! 現在距丘獎北美賽區截止報名只剩最后一周了!打算今年參賽、但還沒有報名的同學抓緊時間了! ...
今年的北美丘獎“姍姍來遲”,比去年晚了1個月才開始報名,但截止時間還是6月30日,論文的提交時間甚至還提前了10天! 現在距丘獎北美賽區截止報名只剩最后一周了!打算今年參賽、但還沒有報名的同學抓緊時間了! ...
What are indices? An Index (plural = indices) is just a power that a number (called the base) is raised to: Laws of indices – what you need to know There are lots of very important laws (or ...
The Principles & Limitations of Microscopy Microscopes?can be used to analyse?cell components?and observe?organelles Magnification?and?resolution?are two scientific terms that are very importan...
The Cell Theory Until microscopes became powerful enough to view individual cells, no-one knew for certain what living organisms were made from A scientist called?Robert Hooke?is thought to be the?...
Edexcel IGCSE Maths復習筆記 1.3.2 HCFs & LCMs What are Factors & Multiples? Factors are numbers (or expressions) which divide into another number exactly e.g. 3 is a factor of 18 as?
The Structure of ATP All organisms require a constant supply of energy to maintain their cells and stay alive This energy is required: In anabolic reactions – building larger molecules from ...
The Function of DNA & RNA Deoxyribonucleic acid?(DNA) and?ribonucleic acid?(RNA) are both types of?nucleic acid DNA and RNA are both?found in all living cells DNA and RNA are both needed to?bui...
Edexcel IGCSE Maths復習筆記 1.3.1 Prime Factors What are prime factors? Factors are things that are multiplied together Prime numbers are numbers which can only be divided by themselves and 1 The p...
Enzymes as Proteins Enzymes are?biological catalysts ‘Biological’ because they function in?living systems ‘Catalysts’ because they?speed up the rate of chemical reactions?without being used up or c...
Edexcel IGCSE Maths復習筆記1.2.1 Recurring Decimals What are recurring decimals? A rational number is any number that can be written as an integer (whole number) divided by another integer When you...
Amino Acids & the Peptide Bond Proteins Proteins are polymers (and macromolecules) made of monomers called?amino acids The sequence, type and number of the amino acids within a protein determin...
Edexcel IGCSE Maths復習筆記1.1.3 Multiplying & Dividing Fractions Dealing with mixed numbers Always turn Mixed Numbers into Top Heavy Fractions before doing calculations Dividing fractions Neve...
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