Morag was a participant in the Understanding Science Project.
She was interviewed on 16 occasions: 5 times in Year 7; 4 times in Y8; and 7 times in Y9
A chemical change is where two things just go together
Because the sugar's so small it would evaporate with the water
I know that particles make up every solid, liquid or gas, ‘cause everything is made out of particles
In a sponge, the particles are spread out more, so it can absorb more water
So if someone was stood here, we’d be a solid
The flame reacts to the gunpowder
The glue between particles dried, and it broke up
There are about a thousand particles in one grain of salt, if not more
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Dr Keith S Taber kst24@cam.ac.uk
University of Cambridge Faculty of Education
© Keith S Taber