Chemical Science
Changes to materials can be reversible or irreversible (ACSSU095)
Elaborations
Elaborations
- describing what happens when materials are mixed
- investigating the solubility of common materials in water
- investigating the change in state caused by heating and cooling of a familiar substance
- investigating irreversible changes such as rusting, burning and cooking
- exploring how reversible changes can be used to recycle materials
- investigate reversible reactions such as melting, freezing and evaporating
- investigating Aboriginal and Torres Strait Islander Peoples’ knowledge of reversible processes, such as the application of adhesives, and of irreversible processes, such as the use of fuels for torches
Lesson 1:
Task 1: Explore
Click on the picture below. Spend 5 minutes explore what heat and cold do to each of the Atoms & Molecules. On a whiteboard, note things that were expected or unexpected/surprising.
Week 1: Introduction to Changes in Materials
Learning Intentions:
Learning Intentions:
- Understand the concept of changes in materials.
- Differentiate between reversible and irreversible changes.
- Identify examples of reversible and irreversible changes.
- Explain the reasons behind the reversibility or irreversibility of changes.
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