A series of free GCSE/IGCSE Physics Notes and Lessons.
Density
Draw diagrams to model the differences in the arrangement of particles between solids, liquids and gases.
How to calculate density of a material?
Explain the differences in density between solids, liquids and gases.
GCSE Science Required Practical Density - Regular objects
How to find the density of a regular object?
GCSE Science Required Practical Density - Irregular objects
How to use a displacement can (Eureka Can) to find the density of irregular objects?
GCSE Science Required Practical Density - Liquids
How to find the mass of sugar dissolved in a liquid? (this method ignores any change in volume caused by the solute)
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Complete fact families and master the link between addition & subtraction and multiplication & division.
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Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
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Practice your addition and subtraction skills to help the penguin find its mummy.
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