A power source is something that gives energy to make things work, like batteries in toys or the sun for plants. Without a power source, machines and living things can't do what they are supposed to do.

Power Source

power source

Energy is a fundamental property of the universe that can neither be created nor destroyed, only transformed from one form to another. It is the driving force behind all physical processes and is essential for the functioning of both natural and engineered systems.

energy

batteries in toys

the sun for plants

Machines are tools that help us do things more easily by using energy to work for us. They can be as simple as a pair of scissors or as complex as a computer, and they make our lives better by doing jobs faster and with less effort.

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