Do now! Can you continue the sheet you started last lesson? Hes going to blow! Be careful Good...
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Transcript of Do now! Can you continue the sheet you started last lesson? Hes going to blow! Be careful Good...
Do now! Can you continue the sheet you started last
lesson?
He’s going to blow!
Be careful
Good
Neutral
Excellent
MOODOMETER
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
Chemical reactions – What to look for
Chemical reactions – What to look for
• There may be a change of colour
Chemical reactions – What to look for
• There may be a gas given off (bubbles)
Chemical reactions – What to look for
• There may be an energy change (gets hotter or colder)
Chemical reactions – What to look for
• New substances are formed, and the change is usually difficult to reverse
Physical changes
Melting
Boiling
Condensing
Solidifying/freezing
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
Can you gather around the fume cupboard please?
Word equations
Zinc + sulphur
reactants
Word equations
Zinc + sulphur zinc sulphide
reactants product(s)
Naming compounds
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
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)
Magnesium and oxygen?
Magnesium + oxygen
Magnesium and oxygen?
Magnesium + oxygen Magnesium oxide
reactants product(s)
Can you complete the following word equations?
• Iron + oxygen ?
• Sodium + iodine ?
• ? + fluorine lithium fluoride
• Hydrogen + oxygen ?
• Calcium + ? Calcium chloride
• Copper + sulphur ?
Can you gather around Mr Porter?
Collecting gas
Can you stick the sheet in your book ready for next lesson?
Study!
You have a few spare minutes to study for tomorrow’s test!