exploration and construction of the entities ‘liquid’ and ‘gas’ and ‘particles’, as this
example of their engagement with the transformation from a liquid to a gas shows.
Lucy: So, what do you think will happen when we heat up the water?
Watching the screen as water boils in the ‘Hide Particles’ option
Connie: Shakes her head and shrugs her shoulders
Kylie: Looks at the screen with the ‘View Particles’ option - temperature setting on
low
Lucy: So it says ‘what can you see in the picture’? Water.
Kylie Looks at the screen as the water boils with the ‘View Particles’ option
Kylie: Look! Look!
Lucy: Oh my God! Yeah go liquid!
Kylie: Go liquid to gas!
Lucy: Argh!
Connie: looking at her own screen, temp not as high as L’s
Why are they floating away?
Lucy: ‘Cos they are gas so they’ve got to be in the air. We breath in particles of dust
Look its starting to boil
Watching the screen as water boils with the ‘Hide Particles ’ option
Kylie: I need some help. I’ve got it yeah, but I don’t know what I’ve done to make it
that way.
Lucy: That looks like water don’t it?
Kylie: Yeah
Lucy: So. What will you predict when it heats up?
What happens when you heat water up in a saucepan?
Kylie: It goes hot.
Lucy: What does it do?
Kylie: You mean it boils?
Lucy: Yeah. I predict it will boil.
Looks at her screen in ‘Hide Particles ’ option the water has evaporated
Argh my water’s gone!
241
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