Our learning continues to focus on our biology block of lessons this half term. We will continue our work on the changes humans go through during their lifetimes and will look at comparisons between the life cycles of different types of animals.
Once we have completed this learning, we will turn our attention to the properties and changes of materials. The children will learn to:
- Compare and group together everyday materials on the basis of their properties, including their hardness, solubility, transparency, conductivity (electrical and thermal), and response to magnets
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- Know that some materials will dissolve in liquid to form a solution, and describe how to recover a substance from a solution
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- Use knowledge of solids, liquids and gases to decide how mixtures might be separated, including through filtering, sieving and evaporating
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- Give reasons, based on evidence from comparative and fair tests, for the particular uses of everyday materials, including metals, wood and plastic
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- Demonstrate that dissolving, mixing and changes of state are reversible changes
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- Explain that some changes result in the formation of new materials, and that this kind of change is not usually reversible, including changes associated with burning and the action of acid on bicarbonate of soda.
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