English National Curriculum Science

3. Explore density - practical

Mission Objectives

Describe how to measure the density of regular and irregular solids

Make and record accurate measurements

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Keywords

Words and meanings to learn

cube

A three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex.

cuboid

A solid which has six rectangular faces at right angles to each other.

eureka can

A container which is large enough to hold an object within it with a spout at the top of it.

submerge

Cause something to be under water.

displacement

The displacing in space of one mass by another.

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Required Resources

Resources: Various regular shaped objects, various irregular shaped objects, a suitable liquid (eg sugar solution), a 30 cm ruler marked off in millimetres, a digital balance, a displacement can, a variety of measuring cylinders, two 250 cm3 beakers, paper towels.

Hazards and control measures:

HazardConsequenceControl measures
Water spilled from displacement canSlip and fallUse a measuring cylinder to collect displaced water and prevent spills

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