Science and Materials in Nature

Curriculum details

Strand

Exploring Materials (Strand 1)

Sub-strand

Science and Materials in Nature (1.1)

Content standard

3.1.1.CS.1 - Explore the concept of 'Air' as a mixture of useful gases in nature and understand the preparation of oxygen and carbon dioxide and their uses in human life. 3.1.1.LO.1 Explore the composition of air and the laboratory preparation and uses of oxygen and carbon dioxide.

Indicator

3.1.1.LI.2 - Prepare carbon dioxide and discuss its uses.

Suggested placement

Semester 1, Week 2 (Week 2 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. 91

Exemplars (from the NaCCA curriculum)

Inclusive and Differentiated Learning: Put learners in different ability groups, guide them through demonstration in a laboratory or classroom on how to prepare carbon dioxide gas, and discuss its characteristics and uses and support learners who may react to the environment or materials (allergies).
Teaching and Learning Resources:
- Internet sources such as MOOCs (E.g. https://www.youtube.com/watch?v=4p_aoxLIzs0; https://www.youtube.com/watch?v=eLlRiJPpklM)
- A trough or a big bowl
- Candle
- Matches measuring cylinder
- Plastic bowl/trough
- delivery tubes
- Dilute hydrochloric acid (HCl)
- Calcium Carbonate (CaCO ₃ )/eggshell
- Beakers
- conical flasks
- collecting jars charts
- pictures illustrating that air is a mixture.
- gas jar
- thistle funnels or improvised forms of these materials
- Hydrogen peroxide
- Potassium Chlorate
- delivery tube water trough, etc.
- Requisite glassware and reagents or improvised materials such as jugs,
Assessment (3.1.1.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.