GCSE OCR Gateway The particle model and density - OCR Gateway Solids, liquids and gases Matter is made up of atoms about 0.1 nm in size. Atoms and molecules are arranged differently in solids ...

The operating temperature of 300°C gives essentially complete removal of volatile sulfate and hydrocaibon particles, but also leads to removal of 15-25% of solid particles. This system has been used ...

That means they're made up of solid particles, but they can actually flow like liquids! Candies such as Skittles, M&M's, Nerds and many others are also granular materials.

This paper studies solid matter from a section of the A9 motorway, Kérault Region, France, used in a study of the effects of pollution. This study analyzed both settled sediments from collecting basin ...