Science Explained Simply
Physics, Chemistry, Biology, and more
109 explanations
How do aquarium air bubblers add oxygen to water if bubbles pop at the surface?
Aquarium bubblers do not add oxygen by popping; instead, they act like an underwater elevator that pushes water to the...
Why do hot things smell stronger than cold things?
Hot things smell stronger because heat gives tiny scent particles more energy to fly into the air and reach your nose...
Why does wrapping a bottle cap in a towel or rubber band make it easier to open?
Wrapping a towel or a rubber band around a bottle cap makes it easier to open because it gives your hand more friction...
How does soap actually kill germs?
Soap kills germs by ripping their outer protective skin apart and washing the broken pieces away down the drain...
How can Gabriel's horn have a finite volume but infinite surface area?
Gabriel's horn can hold a limited amount of paint inside it, but you would never have enough paint to coat the outside...
Why can small animals survive falls from heights that would kill humans?
Small animals can survive huge falls because they are very light and push against the air like tiny parachutes, meaning...
How is plastic made from petroleum?
Plastic is made by taking dark, gooey oil from deep underground, breaking it down into tiny chemical pieces, and...
How do mirrors work?
Mirrors work by bouncing light straight back at your eyes like a super-smooth wall bounces a ball. Think about playing...
Why do liquids evaporate below boiling temperature, but solids do not melt below melting temperature?
Liquids can evaporate because their surface particles can easily break free into the open air one by one, while solid...