Difference between revisions of "Dissolving"
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===About Dissolving=== | ===About Dissolving=== | ||
: [[Dissolving]] is a reversible process. | : [[Dissolving]] is a reversible process. | ||
| − | : When something dissolves the solid cannot be seen anymore. | + | : When something '''dissolves''' the [[solid]] cannot be seen anymore. |
| − | : If a coloured solid dissolves the water will turn that colour. | + | : If a coloured solid '''dissolves''' the [[water]] will turn that colour. |
===Note to Teachers=== | ===Note to Teachers=== | ||
Revision as of 06:42, 31 August 2018
Contents
Key Stage 2
Meaning
Dissolving is when a solid is placed in a liquid and it is broken down into tiny pieces that can't be seen.
About Dissolving
- Dissolving is a reversible process.
- When something dissolves the solid cannot be seen anymore.
- If a coloured solid dissolves the water will turn that colour.
Note to Teachers
Students often confuse dissolving for melting. It is important to make sure they have active experiences of both so that they can understand the distinction. Melting ice, melting wax. Dissolving sugar, dissolving salt, dissolving coloured jelly crystals.
Key Stage 3
Meaning
When a solid breaks apart into individual molecules or atoms when it is mixed with a liquid.