Materials

Curriculum details

Strand

Diversity of Matter (Strand 1)

Sub-strand

Materials (1.2)

Content standard

B3.1.2.3 - Know that substances can exist in different physical state (solid, liquid, Gas). Many substances can be changed from one state to another by heating or cooling

Indicator

B3.1.2.3.1 - Explain how substances change state between solid, liquid and gas

Suggested placement

Term 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

Science Curriculum (Basic 1-3), 2019, p. 51

Transcribed from the official NaCCA publication. Check this page against the source.

Exemplars (from the NaCCA curriculum)

- Learners watch pictures and videos of solid, liquid and gaseous substances.
- Provide learners with solid and liquid substances such as shea butter, water, candle wax, ice
- Learners identify the physical states of the materials provided.
- Heat water for learners to observe how it changes to gas and cools down from gas to water (from liquid to gas and back to liquid).
- Engage learners to melt Shea butter and candle wax and let them observe how they change from solid to liquid and liquid to solid.
- Elaborate on their ideas to explain how substances change state.
Note: No new substance is formed from the activities. Share with learners, some everyday occurrences in which no new thing is formed.