Y9 Separation Techniques

Introduction to Separation Techniques using words from previous topic on Elements, Mixtures and Compounds as well as Separation vocabulary from Year 8 Science

Word Bank
Boiling point, Calcium, Chemical reaction, Compound, Constitute, Distillation, Evaporation, Filtration, Hydrogen, Insoluble, Mixture, Properties, Separated, Solute, Solution, Solvent, Three, filtrate, residue

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Across

4. When you heat a solution, what stays in the container?

6. The stuff left in the filter paper after pouring a mixture of solid and liquid throug it.

7. This is made when a soluble substance dissolves in a liquid.

9. These change when elements combine chemically but stay the same if substances are just jumbled up together.

10. The liquid that goes through the filter paper into the container below, when you separate a solid from a liquid.

13. If substances are jumbled up or mixed together, they can be ......... easily.

15. This property of the liquids in a mixture must be different to enable us to separate them.

16. A method to separate mixtures of liquids

17. A single pure substance that is made of two or more elements chemically joined.

18. This is made up of different substances that are not chemically joined, like orange juice or air.

Down

1. The chemical formula of vinegar is C2H4O2. Of which element are there the most atoms?

2. The chemical formula of vinegar is C2H4O2. How many elements are combined chemically?

3. This is the only way to separate the elements that are combined chemically (2 words).

5. Calcium carbonate cannot dissolve in water, it only makes it cloudy. Another word for 'cannot dissolve.'

8. What method is used to separate a solid from a liquid in which it cannot dissolve(e.g. how would you get sand out of water)?

11. Calcium carbonate is made of calcium, carbon and oxygen atoms chemically combined. The formula is CaCO3. Which element is a metal?

12. A method to separate a solid that is dissolved in a liquid.

13. When you heat a solution, what comes out of the container?

14. another word for 'make up.'

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