Physics – An introduction for early grades





Sample Text from Physics – an introduction to physics

What is Physics?
The field of physics is about understanding matter and energy and how they interact.

Matter is all things that take up space, which includes all liquids, solids, and gases. Energy is something that can be transferred between matter, like heat. Work happens when energy is transferred from one bit of matter to another.

Do you think that light is matter or energy?
Light is a form of energy.

What is an atom?

It is a unit of matter.

Different elements have atoms with different structures.
Understanding the structure of atoms has helped us to do amazing things.

<End of page 3 of Physics>

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