Mixtures and Solutions

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What is a mixture?

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A mixture is a combination of two or more substances that are not chemically combined. Each substance retains its own properties.

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What is a solution?

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A solution is a special type of mixture where one substance (the solute) is completely dissolved in another (the solvent).

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What is a solvent?

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A solvent is a substance that dissolves a solute, forming a solution. Water is often called the 'universal solvent'.

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What is filtration?

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Filtration is a method used to separate solids from liquids or gases using a filter that allows only the liquid or gas to pass through.

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What is boiling?

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Boiling is a method of separation that involves heating a liquid until it turns into vapor, leaving behind any dissolved solids.

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What is sorting?

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Sorting is a manual method of separating mixtures by handpicking or organizing components based on their properties.

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What is a sieve?

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A sieve is a tool used to separate wanted elements from unwanted material or for controlling the particle size distribution of a sample.

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What is magnetism?

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Magnetism is a property of certain materials that allows them to attract or repel other materials. It can be used to separate magnetic substances from non-magnetic ones.

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What happens when sand and water are mixed?

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When sand and water are mixed, they create a mixture, not a solution, because the sand does not dissolve in the water.

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How can you separate salt from water?

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You can separate salt from water by boiling the water, which evaporates, leaving the salt behind.