Y7: Evaporation & Distillation
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Items in this lesson
Slide 1 - Slide
Label the apparatus.
Evaporating basin
Gauze
Bunsen
burner
Heatproof mat
Tripod
Slide 2 - Drag question
What is this separation technique called?
Slide 3 - Open question
Filtration separates...
A
an insoluble solid from a liquid.
B
a soluble solid from a liquid.
Slide 4 - Quiz
What does insoluble mean?
Slide 5 - Open question
Miss Buchanan tries to separate a mixture using evaporation, but it doesn't work. Suggest some possible reasons why.
Slide 6 - Open question
Slide 7 - Slide
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
Bunsen burner
Thermometer
Water in
Water out
Condenser
Water vapour
Flask with inky water
Flask with clean water
Condensed water
Slide 11 - Drag question
Filtration
Evaporation
Distillation
Separates
Example
Insoluble solid from liquid.
Soluble solid from liquid.
Soluble solid and liquid.
Sand and water.
Salt and water.
Ink and water.
Slide 12 - Drag question
Which 2 changes of state take place during distillation?
Slide 13 - Open question
Miss Buchanan wants to separate some salty water. Why might she choose to use distillation instead of evaporation?
