Air Around Us key idea
Material
The substance or sample being studied.Property
An inverted glass pushed into water traps air inside; water cannot fill the glass until air escapes.Evidence
The visible observation, label, or test result.Conclusion
The chemistry idea shown by the evidence.Labelled diagram
Air Around Us explain card
Air cannot usually be seen, but it is matter because it occupies space and has mass. It is essential for breathing, burning, weather, and movement of flying objects.Exam cue: Use a labelled observation before the explanation.
- 1Material -> Property: has
- 2Evidence -> Conclusion: supports