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Matter review
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When you make water hotter with fire. Name the process.
Heating
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What change is that?
Physical change.
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How can you separate metall from sand?
Use a magnet (magnetism)
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Where is solvent, solute and solution?
Coffee is a solution, water is a solvent, coffee beans are solutes.
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What is salt in a salt water?
Solute
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What change is that?
Chemical change.
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How can you make liquid out of gas?
Condensation
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What state of matter is water?
Liquid
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What is water in a salt water?
Solvent
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What state of matter is wood?
Solid
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Where is solvent, solute and solution?
Tea is a solution, water is a solvent, tea bag is a solute.
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What is the difference between chemical and physical change?
Chemical change - burning or cooking. Physical change - change of physical properties
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Choose a solution
Salt water
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What is lemonade?
Solution
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What objects are soluble? Bring three examples.
Things that can be dissolved (sugar, salt, honey).
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When ice becomes liquid. Name the process.
Melting
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What change is that?
Physical change.
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What change is that?
Chemical change.
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What is a pizza?
Mixture
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What change is that?
Chemical change.
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How can you separate sand from water?
Use a filter (filtration)
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How can you separate salt from water?
Use heat (evaporation)
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What change is that?
Physical change.
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What state of matter is vapor?
Gas
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When you make hot water cold. Name the process.
Cooling
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What is the difference between mixture and solution?
Mixture is easy to separate.
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What objects are insoluble? Bring three examples.
Things that are difficult to dissolve (wood, stone, oil)
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Choose objects with high solubility.
soap, sugar, honey, vinegar, lime juice
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