A reaction that puzzled scientists for 50 years has now been explained by researchers at Umeå University. Rapid structural ...

When they are done with that experiment and the ice has melted ... Show an animation to help explain why mass is conserved in melting, dissolving, and in a chemical change. Show the animation ...

These granules are a special water-absorbing chemical called sodium polyacrylate ... The sodium polyacrylate will change into a gel as it absorbs the water. The gel will slowly rise in the cup. That’s ...

It's fall and the trees are beginning their annual display of spectacular colors. Ever wonder where these colors come from?

You could be asked questions about the apparatus, methods, safety precautions, results, analysis and evaluation of these experiments ... practicals in the Chemical Changes section: Required ...

For example, a question about fertilisers could include ideas about covalent substances, acids and alkalis, chemical calculations ... In the first experiment, they change the size of the calcium ...

Lavoisier repeated the experiments of Priestley ... salts are more or less completely split into their ions, and the chemical changes that take place in these solutions are reactions between ...

Scientists from the University of Sheffield have discovered a new sensory capability in bacteria which could transform ...

Research has suggested that these cave-dwelling shrimp may rely on chemical cues to find their way back to underwater caves, ...

Psychedelic drugs had become more readily available to the public, and Witt—a contributor to publications including The New ...

Oscillating chemical reactions are fascinating ... providing snapshots of the material's structure changes during oxidation. Surprisingly, the experiments revealed an intermediate phase with ...