do now! can you continue the sheet you started last lesson? hes going to blow! be careful good...
TRANSCRIPT
![Page 1: Do now! Can you continue the sheet you started last lesson? Hes going to blow! Be careful Good Neutral Excellent MOODOMETER](https://reader036.vdocuments.us/reader036/viewer/2022062318/5516671a550346a2698b53cd/html5/thumbnails/1.jpg)
Do now! Can you continue the sheet you started last
lesson?
He’s going to blow!
Be careful
Good
Neutral
Excellent
MOODOMETER
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Yesterday’s 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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Chemical reactions – What to look for
• 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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Today’s 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 + sulphur zinc 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 + chlorine Sodium chloride
Copper + oxygen Copper 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 + chlorine Sodium chloride
Copper + oxygen Copper Oxidereactants product(s)
reactants product(s)
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Magnesium and oxygen?
Magnesium + oxygen
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Magnesium and oxygen?
Magnesium + oxygen Magnesium oxide
reactants product(s)
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Can you complete the following word equations?
• Iron + oxygen ?
• Sodium + iodine ?
• ? + fluorine lithium 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 tomorrow’s test!