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Published bySarina Twist Modified over 10 years ago
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Do now! Can you continue the sheet you started last lesson? Hes going to blow! Be careful Good Neutral Excellent MOODOMETER
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Yesterdays lesson Know what to look for to see if a chemical reaction has occurred Give some examples of chemical reactions Explain the difference between a physical and chemical change
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Chemical reactions – What to look for
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There may be a change of colour
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Chemical reactions – What to look for There may be a gas given off (bubbles)
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Chemical reactions – What to look for There may be an energy change (gets hotter or colder)
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Chemical reactions – What to look for New substances are formed, and the change is usually difficult to reverse
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Physical changes
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Melting
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Boiling
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Condensing
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Solidifying/freezing
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Todays lesson Know the meanings of the words reactant and product Be able to write word equations for chemical reactions Know how to collect the gas produced by a reaction
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Can you gather around the fume cupboard please?
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Word equations Zinc + sulphur reactants
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Word equations Zinc + sulphurzinc sulphide reactants product(s)
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Naming compounds
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Metal and non-metal The name of the metal goes first, the non- metal changes the ending to ide Sodium + chlorineSodium chloride Copper + oxygenCopper Oxide
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Metal and non-metal The name of the metal goes first, the non- metal changes the ending to ide Sodium + chlorineSodium chloride Copper + oxygenCopper Oxide reactants product(s) reactants product(s)
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Magnesium and oxygen? Magnesium + oxygen
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Magnesium and oxygen? Magnesium + oxygenMagnesium oxide reactants product(s)
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Can you complete the following word equations? Iron + oxygen? Sodium + iodine? ?+ fluorinelithium fluoride Hydrogen + oxygen? Calcium + ?Calcium chloride Copper + sulphur?
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Can you gather around Mr Porter?
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Collecting gas Can you stick the sheet in your book ready for next lesson?
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Study! You have a few spare minutes to study for tomorrows test!
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