4.6 recall that energy transfer may take place by conduction, convection and radiation Task 1 Try the animation: particle model - conduction
Extension: what is the limitation of this animation? (Check your answer with the Heating a Solid animation)
The animation does not show that in addition to the vibration of the particles, the block of metal is supposed to expand.
Task 2
Try the quiz on the Cooking animation
Extension: what's the mistake in the description of convection?
The mistake is that the particles aren't supposed to shrink and sink just because they were cooled down. 
Extension: what is the limitation of this animation? (Check your answer with the Heating a Solid animation)
The animation does not show that in addition to the vibration of the particles, the block of metal is supposed to expand.
Task 2
Try the quiz on the Cooking animation
Extension: what's the mistake in the description of convection?
The mistake is that the particles aren't supposed to shrink and sink just because they were cooled down.
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