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 ...

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 ...

Did you know that water can drip UP instead of down? It’s true! Okay, okay- it’s a bit of an optical illusion, but one that’s mesmerizing no less, and it’s one that is especially awe-inspiring for ...

It sounds like one of the easiest experiments possible: Take two cups of water: one hot, one cold. Place both in a freezer and note which one freezes first. Common sense suggests that the colder water ...

Discover how surface tension keeps water molecules together and how soap can break this force. Watch as pepper flees from soap in water, demonstrating molecular interactions in an exciting way. Watch ...

Cinnamon and water experiment 🧪 !! El Niño is here, and it’s already looking like it could be 'mind-blowing' Woman recognizes furniture worth thousands at thrift shop—then sees price Blanche fired ...