Friction
A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Friction is a Force
This video discusses friction and then uses blocks on a ramp to show us the effects of different surfaces
Static and Sliding Friction or Kinetic Friction - Activity
Air Resistance and Streamlining
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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