The air pressure increases because more air particles are being added to the inside of the tyre. Pressure is caused by gas or liquid particles colliding with the walls of a container. Think of a ...

Liquids have a defined volume but will flow into containers and take on their ... around each other like balls in a ball pool. In a gas, the particles aren’t touching at all, but are flying ...

Would you call it a solid, liquid, or a gas? Why? One characteristic of a solid is that it keeps its shape without being in a container. Does this make ... The cornstarch particles do not dissolve, ...

or particles of light, behave on a quantum level. Scientists created the new state of matter, called a photon gas, by firing a laser into a reflective container filled with dye, causing photons in ...