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England · England Science · Year 4

Compare and group materials together, according to whether they are…

Compare and group materials together, according to whether they are solids, liquids or gases. Taught in lessons 1 and 2.

The National curriculum in England: science programmes of study, Key Stages 1–3 outcome (States of matter) for Year 4 says: “Compare and group materials together, according to whether they are solids, liquids or gases. Taught in lessons 1 and 2.” This Fieldbook unit teaches it hands-on, with everyday materials and a printable teacher guide and student sheet for every lesson. Official wording: National curriculum in England: science programmes of study, Key Stages 1–3.

Solids, Liquids and Gases Grade 5

Where does a puddle go? Why does ice float? A first look at the tiny particles that explain the stuff around us.

  • Where does a puddle go? 50–60 min

    Teams race wet paper towels in still air, in wind, in a warm spot and under a cup to find out what makes water disappear faster. They catch the 'missing' water on the inside of the cup and explain evaporation with particles.

  • Why does ice float? 50–60 min

    Students compare water before and after freezing: same weight, but more space. They float a block of ice, measure how much sticks out, and use particles to explain why lakes freeze from the top down and fish survive the winter.

Printable practice for this outcome

These pages practise a closely related idea; the match to this outcome is partial.

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Compared with NGSS: 2-PS1-1 (partial), 5-PS1-3 (partial).

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Every England Year 4 science curriculum outcome we teach

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