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Particle theory resources


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5

What does the candle weigh?

Auto-markingPencil and paperOnline interactive
Keywords: 
burning
changes
particle nature of matter
Students answer one multiple-choice question about how the mass of a burning object changes.
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Melting and dissolving

Pencil and paperOnline interactive
Keywords: 
changes of matter
dissolving
key competencies
melting
particle theory
peer assessment
physical changes
structure of matter
Task: Answer two questions about melting and two questions about dissolving. Assessment focus: describe and explain melting and dissolving.