- Science
- Mixtures and Solutions
- Age 7-9
-
level: 2/3/4
- English
คำแนะนำของผู้เขียน
Some solids dissolve when they are mixed with a liquid. This means the solid breaks into pieces that are too small to see. When the solid has dissolved we cannot see it but it is still there.
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คำแนะนำของผู้เขียน
Some solids dissolve when they are mixed with a liquid. This means the solid breaks into pieces that are too small to see. When the solid has dissolved we cannot see it but it is still there.