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 ...

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 ...

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 ...

Scientists observed hidden water movement in Twin West Lake using dyes. Wind created layered circulation, with surface water ...

Discover incredible water tricks that will amaze your friends and elevate your science skills. From cotton candy dissolving to water freezing and capillary action, these fun experiments are easy to do ...

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 ...

Kengo Yamada remembers asking a class of kindergartners where they thought wind came from. “One said, ‘Trees make wind,’” says the associate director of early childhood education at New Jersey’s ...

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 ...