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)
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire
Penguin Solitaire is a fun game that aims to move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
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