In our awesome KS2 Science lessons, we get to mix things up and explore how to separate them! Our experiments dive into solvents, solutes, and suspensions. This quiz is all about mixtures and the cool ways to unmix them.
Mixtures are like when we put different things together. Even little kids enjoy mixing stuff like flour with raisins or sand with water. But separating? Not as fun, especially with mixed-up bricks! But guess what? It's a fun challenge for everyone, even grown-ups!
Test your science skills with this enjoyable KS2 Science quiz. How much have you learned about mixing and separating?
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You can find more about this topic by visiting BBC Bitesize - What is separation?
A mixture is anything that is made up of two or more materials - most things are mixtures
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A solution is a when two materials are thoroughly combined by dissolving - scientists call solutions 'homogeneous' mixtures
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Iron filings are too small to be caught in a sieve and sand particles are too large to pass through a filter
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Salt can be dissolved but sand can't
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We dissolve soap in water every time we have a bath
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Evaporating the water would leave the sugar behind
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The paper keeps the tea leaves inside the tea bag, but allows the tea solution to pass through. This makes a cup of tea with no tea leaves in it
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Bicarbonate of soda would dissolve in the water, but it would not help to filter out the other materials
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Insoluble is the opposite of soluble, and impermeable is the opposite of permeable
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Allowing the steam from the evaporating water to collect on a cold surface would make the water vapour condense. The liquid could then be collected in a separate container
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