5682129
Beschreibung
Karteikarten von afiq abdillah, aktualisiert more than 1 year ago
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Erstellt von afiq abdillah
vor etwa 8 Jahre
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| Frage | Antworten |
| What is the key feature of a physical change? | No new substance is produced |
| Give 4 example of physical change | Melting, freezing, evaporating and condensating |
| What is the simplest example of physical change? | Applying force |
| What is expansion | The volume increases but density decreases |
| What is contraction? | The volume decreases but the density increases |
| What is an example of contraction and expansion? | Hot air balloon and thermometer |
| What will happen if enough heat is added to a substance? | It shall melt |
| What is melting? | Solid to liquid |
| What is freezing? | Liquid to solid |
| Evaporation? | Liquid to gas |
| What is boiling point? | The point in which a liquid boils |
| Condensation? | Gas to liquid |
| Sublimation? | Solid to gas |
| What is dry ice? | Ice made from gas |
| What is mixing? | When 2 substances are mixed |
| What is dissolving? | When a solid is dissolved in a liquid |
| Solute? | Solid |
| Solvent? | Liquid |
| WHat happens when 2 substances mix? | They form a solution |
| What gets produced if water is boiled? | Bubbles (and water vapour) |
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