Curriculum
Science — First Preparatory
Unit 1: Matter
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Unit 2: Forces
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Unit 3: Life
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Unit 4: Earth and Space
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Text lesson
Matter and Its Properties
Matter and Its Properties
Lesson summary
Lesson summary
- Matter is anything that has mass and occupies space. It exists as solid, liquid or gas.
- A solid has fixed shape and volume; a liquid has fixed volume and takes the shape of its container; a gas fills its container.
- Density = mass ÷ volume. An object floats if its density is less than the density of the liquid.
- Physical properties are observed without changing the substance; chemical properties appear during a reaction.
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