A series of free Science Lessons for 7th Grade and 8th Grade, KS3 and Checkpoint Science in preparation for GCSE and IGCSE Science.
Springs Stretch and Hooke's Law
How to find the spring constant (k) of a spring by measuring the extension when force is changed?
Compression and Tension
The two forces that cause bridges to fail
Springs Stretch and Hooke's Law
How to find the spring constant (k) of a spring by measuring the extension when force is changed?
The two forces that cause bridges to fail
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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