A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Changes between states/phases of matter
Explanation of states/phases of matter and what happens when water changes from one state/phase to another.
Graph to show the melting and boiling point of a liquid.
Heating Curve Basics
Interpreting a heating curve. Identifying solid, liquid and gas phases.
Kinetic and potential energy changes. Phase changes, boiling and freezing points.
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
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