Hard
Let's explore how the power and size of a DC motor affects the amount of energy lost due to friction.
Medium
Let's explore how salt and temperature affect the surface tension of water!
Hard
How far can you throw a javelin? Find out by testing different angles and measuring the distance!
Hard
Have you ever wanted to defy gravity? With this experiment, you can! Learn how to make a lifter that will levitate using the Biefeld-Brown effect.
Medium
Let's find out which household item is the best at lubricating metal!
Hard
Can a magnetic field slow down the rate of water flow? Let's find out!
Hard
Have you ever seen a bubble that's made of air instead of water? Learn how to make your own underwater antibubbles!
Easy
Have you ever wondered why a steel ship can float, but a steel nail sinks? Let's find out how metal can float!
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