Large crystals found in geodes and other rocks are relatively rare ... Minerals and gems are classified by their physical properties, including hardness, luster, color, density, and magnetism.

There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...

Their findings, published in Science Advances, suggest that the properties of rocks may contribute equally to the generation ...

Schools around the world have closed to prevent the spread of COVID-19, leaving parents and teachers scrambling to figure out how kids can learn at home. We can help! Science News Explores and the ...

The Kids & Chemistry program offers hands-on activity ... Makers will implement their new knowledge of chemistry to create slime with the properties they desire. Investigate the secret science in self ...