A Year 9 Science Revision List

year 9 CHEMISTRY Metals and metal compounds Word equations for the reactions of metals and non-metals with dose revisal of the tests for the gases oxygen, carbon dioxide and hydrogen The reactions of metal carbonates with acid The reactions of metal oxides with acid How to produce a salt Metal responsiveness looking for at the reactions of metals with oxygen, acid and water Putting the metals in a reactivity series Displacement Rust and erosion The uses of metals in term of their reactivity Extraction of metals-copper and iron environmental chemistry red-hot rainfall and its effects How acid rain propels rocks and buildings What is pollution and where does it come from? worldwide warming Re clean and non-renewable energy resources Using chemistry The chemical substance reactions that cash in ones chips when a fuel is burnt Using chemical reactions as a source of energy Making new materials done chemical rea ctions What happens to atoms when new materials are made-mass conservation, loss of YEAR 8 PHYSICS Sound What is the pitch of a well-informed? What is the frequency of a sizeable?

Frequency ranges of contrasting animals How gaudiness of reasoning(a) is measured Noise pollution Speed of sound by means of solids, liquids, gases Sound wave graphs and how to interpret them How the ear working lively How shadows are formed What is reflection? What is refraction? The spectrum of alight primary quill and secondary colours How filters work Why we captivate different colours Magnet s and electro attractivenesss Magnetism-at! traction, repulsion What is a magnetic electron chain of mountains? Lines of magnetic force (lines of flux) around a bar magnet What is an electromagnet? Factors that affect the strength of an electromagnet Everyday uses of electromagnets oestrus and cooling measuring rod temperature and the units of temperature Boiling, melting, freezing The atom theory behind boiling, melting, freezing CC117 Heating/cooling curves and...If you exigency to get a full essay, vagabond it on our website: BestEssayCheap.com

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