The table below shows a comparison of the same substance in three different states. A single particle does not have the properties of the material it is part of. The properties of a substance are the ...

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them side by side would measure 1 centimetre.

Researchers have developed what may be the world’s hottest engine—on a scale so small it can’t be seen without specialized ...