Matter and Its Properties · SHS1 Chemistry

Lesson notes

Learning Objectives

Indicator: 1.1.1.LI.1 - Describe chemical processes around us, and their applications in everyday life.

By the end of the lesson, learners can:

Define chemistry as the scientific study of matter, its composition, structure, properties, and the changes it undergoes.
Identify at least five natural and artificial chemical processes occurring in their immediate environment and explain the chemistry behind each.
Distinguish between pure chemistry (physical, organic, inorganic) and applied chemistry (medicine, pharmacy, environmental chemistry, biochemistry, chemical engineering, agriculture, petrochemistry) through group discussion and classification tasks.
Explain how chemistry connects to other science disciplines such as biology, physics, and mathematics.
Discuss at least three career pathways in chemistry and chemistry-related fields available in Ghana, including the education and training required.
Summarise ways chemistry affects daily life in Ghana under the headings: food and nutrition, agriculture, medicine, transportation, and energy.

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Curriculum details

Strand: Physical Chemistry (Strand 1)
Sub-strand: Matter and Its Properties (1.1)
Content standard: 1.1.1.CS.1 - Demonstrate understanding of the scientific practices in chemistry using relevant acquired skills to solve problems as well as explaining the structure of the atom and its stability. 1.1.1.LO.1 Use the knowledge and understanding of the scientific practices in Chemistry to explain the structure of the atom as well as the stability of its nucleus. 1.1.1.LO.2 Use the mole concept to determine the amount and quantity of various substances involved in chemical reactions. 1.1.1.LO.3 Write mole ratios for chemical equations and apply it in quantitative analysis. 1.1.1.LO.4 Use the kinetic theory of matter to explain the behaviour of solids, liquids and gases under different conditions and describe the laboratory preparation of gases as well as their uses in everyday life.
Indicator: 1.1.1.LI.1 - Describe chemical processes around us, and their applications in everyday life.
Suggested placement: Semester 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: NaCCA curriculum document, p. 27

Exemplars (from the NaCCA curriculum)

Digital Learning:
- Watch a video or slides/pictures on a variety of natural and artificial phenomena that can be explained by Chemistry and make observations.
- From the observations, deduce and discuss the meaning of Chemistry.
- Through a group discussion, distinguish among the traditional branches of Chemistry: Pure Chemistry (physical, organic and inorganic) Applied Chemistry (Medicine, Pharmacy, Environmental Chemistry, Biochemistry, Chemical Engineering, Agriculture, Petrochemistry, etc.).
- Discuss the centrality of Chemistry as a science discipline, which is related to other science subjects.
- With the aid of charts and pictures, summarize ways in which Chemistry affects daily life under the following headings: (Food and Nutrition, Agriculture, Medicine, Transportation, Energy etc.)
- In mixed-ability groups, discuss careers in Chemistry and Chemistry-related fields.
- Discuss the education and training required for the careers.
Teaching and Learning Materials:
- * ICT devices * Household items with labels * Chemical containers with labels * Containers having chemical assay * Personal protective equipment (goggles, laboratory coat/apron, hand gloves etc) * * Http://www.kentchemistry.com/links/atomicstructure/PauliHundsRule.htm Hydrogen peroxide * * Http://www.youtube.com.watch?v=2AFPfg0come
- Hydrazine * * Http://www.khanacademy.com Oxidising materials * * Https://www.youtube.com/watch?v=ZIAyNFLRFuw Flammable materials * * https://phet.colorado.edu/en/simulations/rutherford-scattering Acetic acid and nitric acid * * https://www.khanacademy.org/science/chemistry/electronic-structure-of-
- Worksheets with incomplete nuclear reactions with prepared mark schemes * * http//www.youtube.com/watch?v=PpOAlj7sOEc Worksheets of empty orbital diagram for learners to complete * Worksheets with blank column for numbers of proton, neutrons and electrons * Fire extinguisher * Fire blanket * * Charts of hazard, prohibition and mandatory Material for setting fire * * Videos or charts of wrong practices in
- Markers * * Chart of the mass spectrometer Cardboard
- * Potassium permanganate and glycerol * Counters with up and down orientation to represent electron spin-pairing and boxes to represent orbitals * Modelling clay (plasticine) * Clay * Styrofoam * Calculator
- Models: Use One balloon per s orbital, per p-orbital, three (different coloured) subshell of P orbital
- WEBSITES * Chemsketch or simulation for filling atomic
- atoms/history-of-atomic-structure/a/discovery-of-the-electron
- * https://www.khanacademy.org/science/chemistry/electronic-structure-of- atoms/history-of-atomic-structure/v/rutherfords-gold-foil-experiment * Http//www.youtube.com/watch?v=m92QR7CBNoQ
- CHARTS
- * Mass spectrogram for analyses * Charts of experimental set-up of J. J.
- Rutherford's alpha particle scattering * Charts of line and continuous spectra
- Chart showing how the energy levels in series
- two balloons joined at their knots pairs of balloons to make one
- orbitals
- symbols the chemical laboratory
- Thompson's experiment and experiment
- the hydrogen give rise to spectral
Assessment (1.1.1.AS.1). The document marks these depth-of-knowledge levels for this indicator: Level 2 Skills of conceptual understanding.