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What happens to particles when they lose or gain energy
KEy question: Why does water boil?
KEy question: Why does water boil?
Task 1 - DO NOW
Task 1 - DO NOW
Sort the statements into the correct colums.
Does the statement relate to a solid, liquid or gas?
Task 2 - Changing state
Task 2 - Changing state
Watch the video and then see if you can label the diagram and answer the questions on task 2 of the companion sheet.
Task 3 - What's the lInk?
Task 3 - What's the lInk?
Have a look at the images below and try to think of a link between them.
Write your ideas on your companion sheet. (For a hint click each image)
A really hot day!
These tracks aren't very straight! Is this ok?
Why leave a gap?
Task 4 - Practical
Task 4 - Practical
Watch the demonstration
Have a go yourself
What is your observation
What is your explanation.
Cooling down
Cooling down
Now we know what happens when we heat things up, lets have a look at what happens when we cool them down again.
Task 5 -
Task 5 -
Plotting a cooling curve
Plotting a cooling curve
Fillow the intructions below to perform an experiment where you will gather data and plot a graph to show the cooling of a waxy substance.
Record your results on the companion sheet
This graph shows the heating of the heating of a substance.
Notice how the line goes flat when it is changing state?
Why do you think this happens?
We study this phenomenon in your GCSEs . Its called Latent heat!
Task 6 - Knowledge check
Task 6 - Knowledge check
Check your knowledge by answering the questions on the companion sheet
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