Explain to your child that more than half of our bodies are made up of water, and that every living thing needs water to survive. Ask your child to name places where we might see water. Then ask about ...

Meghan Walbert is Lifehacker's Managing Editor. She has a degree in journalism and has worked at Lifehacker as a writer and editor since 2018, covering parenting, foster care, online child safety, and ...

Host Lloyd Liedtke guides students through hands-on experiments exploring buoyancy, balance and force. Learn why some objects float while others sink, how paddle boats move, and how weight and volume ...

5 Amazing Water Tricks You Need To See To Believe In this video, I want to show you 5 experiments with water. You will see ...

This experiment demonstrates how water at different temperatures has different densities, creating beautiful layering effects. You'll see how warm and cold water interact and learn about density ...

Place cups in a row (I used five cups). Fill the first, third and fifth cups most of the way full. Add food coloring to the water. To make a rainbow effect, add a few drops of blue color to the first ...

What happens when lava and water meet? Explosive experiments with manmade lava are helping to answer this important question. By cooking up 10-gallon batches of molten rock and injecting them with ...

The MWM consists of a large circular pool filled with opaque water and a hidden escape platform submerged just below the surface. Rodents are placed in the pool and must use spatial strategies and ...