SHS1 General Science · Semester 1 Week 6: Science and Materials in Nature

Lesson notes

Learning Objectives

Indicator: 1.1.1.LI.1 - Classify different solids and their uses.

By the end of the lesson, learners can:

Classify solids into metals, semi-metals (metalloids) and non-metals using their characteristic properties.
Distinguish between metals, semi-metals and non-metals based on observable properties such as lustre, conductivity, malleability, ductility and sonority.
Identify the uses of common metals, semi-metals and non-metals in daily life within their community.
Explain how the characteristic properties of a solid determine its specific application.
Create a mind-map linking the properties of each class of solids to their uses, applying strategic reasoning to justify their classifications.

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Curriculum details

Strand: Exploring Materials (Strand 1)
Sub-strand: Science and Materials in Nature (1.1)
Content standard: 1.1.1.CS.2 - Know, understand, and identify the roles of solids in life. 1.1.1.LO.2 Explain the functions of solids in life.
Indicator: 1.1.1.LI.1 - Classify different solids and their uses.
Suggested placement: Semester 1, Week 6 (Week 6 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: NaCCA curriculum document, p. 29

Exemplars (from the NaCCA curriculum)

Talk for Learning: Through a whole class session, guide learners to use charts of the periodic table to review the grouping of elements into metals, semi-metals and non-metals.
Activity-based Learning:
- Using samples of metals, semi-metals and non-metallic materials, guide learners to identify and distinguish between their properties such as lustre, electrical and heat conductivity, density, malleability, ductility, tensile strength and sonority.
- Guide learners to work in pairs to distinguish between: 1. metals and non-metals 2. semi-metals and non-metals 3. metals and semi-metals
- Assist learners in undertaking a practical activity to demonstrate the corrosion of metals and explain how corrosion or rusting can be prevented.
Individualised Learning: Work individually to create mind-maps that show the relationship between the characteristic properties of metals, semi-metals and non-metals and their respective uses and applications in daily life.
Teaching and Learning Resources:
- Internet resources such as Massive Open Online
- Courses (MOOCs) (https://www.youtube.com/watch?v=N4MdZx1fgbA;
- Equations and reaction https://www.youtube.com/watch?v=ZcF8E8aAOGs; https://www.youtube.com/watch?v=vTq4sgGd2QU)
- Books and Journals.
- Projectors
- Charts
- Pictures of Binary compounds,
- equations
- Videos on the relationship between binary compounds, chemical equations, and names of compounds
- Models
Assessment (1.1.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.