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Concentration & Saturation Lesson for Kids: Definitions & Examples

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Instructor: Michelle Jones

Michelle has taught at the elementary level and has earned a master's degree.

Concentration and saturation describe the amount of solute in a solution. Learn about the definitions of concentration and saturation, and explore examples of diluted, concentrated, saturated, and supersaturated types of solutions. Updated: 01/09/2022

Three Thirsty Little Bears

We know the three little bears tried out chairs, beds, and porridge. But let's say they got thirsty after they tried the porridge, so they decided to make some sugar water. To make their sugar water, they created a solution: a combination of two substances. The two parts of this solution are the sugar (which is the solute) and the water (which is the solvent).

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  • 0:04 Three Thirsty Little Bears
  • 0:24 Diluted
  • 0:50 Concentrated
  • 1:19 Saturated
  • 1:49 Supersaturated &…
  • 2:57 Lesson Summary
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Diluted

Solutions can be grouped according to how much solute is in a solvent. Let's go back to our bear friends, who each had one cup of water. Mama Bear put one tablespoon of sugar into her water to create a diluted solution. Have you ever not put enough sugar in Kool Aid? It tasted watered down, didn't it?

A diluted solution is when the amount of solute in the solvent is very low. All of the solute will easily dissolve, or completely combine with the solute.

Concentrated

Baby Bear put two tablespoons of sugar in his water. It tasted perfect - just the right amount of sugar. And as Baby Bear looked closer at his solution, he realized all of the sugar had dissolved. This is called a concentrated solution.

In a concentrated solution, the solute has reached its maximum point of dissolving into the solvent. It's not too little or too much; it's just enough. In other words, if a solution has reached its concentration point, any more solute added will not dissolve because there's no more room for it.

Saturated

Now, Papa Bear had a sweet tooth, so he put four tablespoons of sugar in his water! It tasted very, very sweet. He put so much sugar in his water that not all of it dissolved. When he looked at the bottom of his glass, he noticed that the sugar that didn't dissolve settled to the bottom. No matter how much he stirred his water, that sugar would not dissolve.

When the amount of solute in a solvent is so high that not all of it will dissolve, that solution is saturated. In a saturated solution, the solute that does not dissolve will be visible.

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