Solutions and Evaporating

Master the concepts of solutions, solutes, and solvents! Learn to differentiate between soluble and insoluble substances, understand evaporation, and discover why filtration and sieving can’t separate dissolved substances.
solutions and evaporation
Description

By the end of this unit, students will be able to:

  • understand what a solution is and identify the components of a solution (solute and solvent);
  • differentiate between substances that dissolve in a liquid (soluble) and those that do not (insoluble);
  • understand what evaporation is and recognize it as a process where a liquid changes into a gas;
  • understand why filtration cannot separate dissolved substances and why sieving cannot be used for dissolved solids.

Year 5 Science: Properties and changes of materials

  • know that some materials will dissolve in liquid to form a solution, and describe how to recover a substance from a solution
  • use knowledge of solids, liquids and gases to decide how mixtures might be separated, including through filtering, sieving and evaporating.

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