Physical changes: Definition and Examples
A physical change means the stuff stays the same inside, even if it looks different outside. Real-life example: “I put water in the freezer last night. This morning,... Read more.
Branches of Physics: Definition and Examples
Physics is a dynamic and constantly evolving field, with branches that cover everything from the fundamentals of matter to the mysteries of the cosmos, among many... Read more.
Thermal Energy: Definition, How Measured and Examples
Thermal energy (TE), also called heat energy (HE), is the energy you feel as heat. It comes from the motion or vibration of atoms and particles, so it is a form... Read more.