Energy is what makes things work or move. It can come from the sun, food, or electricity. We need energy to do many activities every day.
The sun gives energy to plants.
We use energy to turn on lights.
Energy can mean the strength you have to do work or activities. If you feel tired, you have less energy. Energy helps you move and think.
I have no energy to play today.
She used her energy to clean the house.
In science, energy is a measurable thing that can change form but cannot be created or destroyed. Examples are moving energy (kinetic) and stored energy (potential).
Kinetic energy depends on the speed of an object.
Potential energy is stored in a raised object.
Energy can mean electricity or power made from natural things like the sun, wind, or water. It helps run machines and homes without pollution.
Solar energy is clean and free.
We get energy from wind turbines.
Energy can describe how active and excited a person or group is. It shows how much they want to do something or have fun.
The team played with great energy.
She talks with so much energy!
Energy can mean the inner power or motivation that makes people want to do things. It is a feeling that pushes action or hard work.
His energy helped him finish the project.
She has the energy to start new things.
In technology, energy can mean the amount of power a computer uses. It shows how much work or speed a machine can have, but this is a less common meaning.
The server needs more energy to run fast.
Energy consumption affects computer speed.