All substances have properties. These describe how a substance looks and behaves. There are two types of properties: physical and chemical. Watch this video about how physical and chemical properties ...

Soils collected from 16 of the National Ecological Observatory Network (NEON) sites were extracted with cold and hot water sequentially and analyzed for molecular composition at the Environmental ...

Everything that has mass and which occupies space is called 'matter'. The universe is constructed with matter and energy. Matter is made of very small particles and is constantly dynamic. It is ...

Students will learn how to categorize matter as either pure substances or mixtures. Students will apply tests, based on physical properties of matter samples, to determine whether a mixture is ...

Steve explores the properties of physical matter and the process of photosynthesis. Steve explores the properties of physical matter and then goes deep inside the magical plant world of photosynthesis ...

Alcohols are organic compounds characterized by the presence of one or more hydroxyl (-OH) groups attached to a carbon atom. They play vital roles as building blocks in various chemical processes, ...