Materials · JHS2 Science

Lesson notes

Learning Objectives

Indicator: B8.1.1.1.2 - Design and perform processes for separating kinds of mixtures.

By the end of the lesson, learners can:

Identify the appropriate separation process (filtering, sieving, distillation, decanting, evaporation, or magnetic separation) for different kinds of mixtures based on the properties of the components.
Design a step-by-step procedure, including materials and apparatus, to separate a given mixture.
Perform at least three separation processes safely and accurately in groups.
Record observations during separation activities and present findings using drawings and written descriptions.
Justify the choice of a particular separation method by referring to the physical properties of the components (particle size, solubility, boiling point, magnetism, density).

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Curriculum details

Strand: Diversity of Matter (Strand 1)
Sub-strand: Materials (1.1)
Content standard: B8.1.1.1 - Demonstrate knowledge of types of mixtures, and understanding of the processes of scientific ways of separating the components of mixtures
Indicator: B8.1.1.1.2 - Design and perform processes for separating kinds of mixtures.
Suggested placement: Term 1, Week 1 (Week 1 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 53
Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

1. Perform activities such as distilling, filtering, sieving and others to separate different kinds of mixtures and present a report on your findings using drawing and written work.