Mixtures and Solutions for Kids: Mix It, Dissolve It, Separate It (Grade 5 Science)

Hi, I'm Luna from DoodleBeez. What happens when you stir sand into water? What about sugar? Today we will learn the difference between mixtures and solutions, and clever ways to separate them.

A mixture is two or more materials mixed together, where each one keeps its own properties. In a snack mix of nuts and raisins, you can still see each part and pick it out.

A solution is a special mixture where one material dissolves into another. Stir salt into water and it seems to disappear. It is still there, spread out as particles too small to see.

The material that dissolves is called the solute. The liquid it dissolves in is called the solvent. In salt water, salt is the solute and water is the solvent. Stirring and warm water help it dissolve faster.

We can separate mixtures by using their properties. A magnet pulls iron filings out of sand. A sieve separates big pebbles from fine sand. A filter catches sand and lets the water through.

A filter cannot catch dissolved salt. Instead, we use evaporation. Leave salt water in a warm, sunny spot. The water evaporates into the air, and the salt crystals are left behind.

Now it's your turn. You have a mix of steel paper clips and sand. What is the fastest way to separate them? Pause and try. Use a magnet! It pulls out the steel clips and leaves the sand behind.

Great job! Remember, in a mixture each part keeps its properties. In a solution, a solute dissolves in a solvent. Magnets, sieves, filters and evaporation separate them. Practice mixtures and solutions in the Science Lab at doodlebeez.com. See you next time!