Dry ice looks a bit like regular ice. While it can be clear, it’s usually white because water vapor freezes into frost on its surface. Dry ice is very cold. It’s −78.5 °C or −109.2 °F, which is cold ...

Watch frost form before your eyes as you learn about deposition – the process where water vapor transforms directly into ice crystals. You'll discover how salt affects freezing temperatures and see ...

While the cold weather may deter many from going outside, others like to take advantage of the freezing temperatures and test out different science experiments. From blowing frozen bubbles to throwing ...

Scientists have cracked a long-standing Martian mystery. Those seasonal gullies on sand dunes that everyone thought were made by water. Turns out, carbon dioxide (CO₂) ice, or dry ice, is the culprit.

Researchers at KRISS observed water’s rapid freeze–melt cycles under ultrahigh pressure and discovered Ice XXI, the first new ice phase found in decades. Using advanced high-pressure tech and ...

A Gallatin, Tennessee elementary school science experiment involving dry ice resulted in 18 students and a teacher being sent to the hospital on Friday morning, according to district officials. Sumner ...

Summer vacation is a time for fun and play, but can also be a time for learning. Parents have the added benefit of teaching their children outside a classroom environment, taking the pressure off kids ...

“In this special pressure cell, samples are squeezed between the tips of two opposing diamond anvils and can be compressed along a predefined pressure pathway,” explains Cornelius Strohm, a member of ...

Why does ice float in water, instead of sinking to the bottom? It has to do with water's density and molecular structure. When you purchase through links on our site, we may earn an affiliate ...