Mystery #1Tier 2water / surface tension
Why can pond skaters walk on water?
Drop a stone and it sinks at once, yet little insects called pond skaters stroll across the top of a pond without breaking through. The water holds them up like an invisible skin. How?
Your guess
What's your hunch about what holds a light insect up on top of the water?
There's no single magic word to type, have a go in your own words, then reveal the answer to see how close you got.
Make a guess to unlock the hints and the answer.