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
Definition of matter and its states
Definition of matter and its states
- Matter is anything that has mass and occupies space (volume).
- Matter exists in three states, which differ in the arrangement and spacing of their particles and in the strength of the forces between them.
| State | Shape | Volume | Arrangement and spacing of particles |
|---|---|---|---|
| Solid | Fixed | Fixed |
|
| Liquid | Takes the shape of its container | Fixed |
|
| Gas | Takes the shape of its container | Fills the whole container |
|
- This explains why a solid keeps its shape
- and why a gas can be compressed much more easily than a liquid or a solid.
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