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States Of Matter Definition

States of matter are solids, liquids, and gases. For example, water can exist as ice, liquid water, or steam.

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Solids, Liquids and Gases

LESSON MATERIALSmove

Fun Facts

  • A solid keeps its shape, like a bowling ball.
  • A liquid takes the shape of its container, like fruit punch in a cup.
  • A gas fills its container, like air in a balloon.

Why Do We Need To Know About States Of Matter

Studying the states of matter helps us know more about the world. It’s important for many jobs. Matter is everywhere, from our food to the air, showing it’s key for work in fields like environmental science and cooking.

Understanding matter connects ideas we learn in books to real-world uses. It also shows us how matter can be used in making things, like special liquids that don’t act like regular liquids, and in important steps like adding fizz to drinks.

Frequently Asked Questions

What state of matter is slime? How do you know?
Slime doesn’t keep its shape, so it’s a liquid.
What is different about a liquid and a solid?
A solid keeps its shape while a liquid takes the shape of its container.
Why isn’t a dream made of matter?
It doesn’t take up space or have weight.
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