Unit 3 of 10Gatekeeper unitGrade 11
Physical Properties and Physical Changes
Work through these 6 topics in order. Clear the gatekeeper and the rest of the course opens up.
01
Basic definitions in science
Qualitative vs quantitative; observation, hypothesis, theory and law.
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02
The physical properties of matter
Physical vs chemical properties; intensive vs extensive properties.
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03
The classification of matter
Elements, compounds, solutions and mechanical mixtures.
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04
The physical separation of substances
Filtration, distillation, extraction, chromatography and more.
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05
Phase changes
Melting, boiling and the heating curve of a pure substance.
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06
Kinetic energy and phase changes
How molecular kinetic energy drives physical and phase changes.
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