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States of matter

Grade 6 · Science · Free lesson

Hi there! I am Studyfin, your science buddy. Today we will explore the states of matter and learn how to connect science to our own lives!

Everything around us is made of matter. Matter can exist as a solid, a liquid, or a gas. In this lesson, we will see how these states change and how they relate to things we use every day.

In a solid, particles are packed tight and vibrate in place. When we add heat, the particles slide around as a liquid. If we add even more heat, they fly apart as a gas!

Solid (Tight & Jiggling)Gas (Fast & Free)

We can connect science to our own lives by thinking of our favorite things. For example, a cold glass of lemonade on a hot summer day shows us all three states of matter: solid ice, liquid juice, and sweet-smelling gas bubbles!

Lemonade: Ice (solid), Juice (liquid), Aroma (gas)
✏️ Worked example

How can you make a personal connection to the states of matter using a self-selected text or a real-life hobby like cooking?

  1. First, choose a hobby or a book you love. Let us pick making morning pancakes.
  2. Next, identify the different states of matter in that activity. The pancake batter starts as a thick, runny liquid.
  3. Then, look for changes. When the liquid batter hits the hot pan, heat changes it into a fluffy, solid pancake.
  4. Finally, explain your connection in your own words. 'When I make pancakes, I see liquid batter turn into solid food, which shows how heat changes states of matter!'
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