Matter In Our Surroundinges
NIOS · Class 10 · Science & Tech
Quick revision notes for Matter In Our Surroundinges — NIOS Class 10 Science & Tech. Key concepts, formulas, and definitions for last-minute revision.
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See them allKey Topics to Revise
1. Nature of Matter and Particulate Idea
- Matter has mass and occupies space.
- All solids, liquids, and gases around us are made of matter.
- Matter is made of tiny particles.
2. States of Matter and Their Properties
- Matter exists naturally in three main states: solid, liquid, and gas.
- Water exists naturally in all three states: ice, water, and steam or water vapour.
- Solid has definite size and shape.
3. Effect of Temperature and Pressure
- Heating increases the kinetic energy of particles.
- A solid expands slightly on heating and then melts at its melting point.
- A liquid changes into gas on further heating.
4. Elements, Compounds, and Mixtures
- Matter is classified by composition into elements, compounds, and mixtures.
- An element cannot be chemically broken down into simpler substances.
- All substances are matter, but all matter is not a substance.
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