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Useful vocabulary

States of matter - Solid, liquid and gas

Examples of gases (at room temperature and pressure) – Oxygen, hydrogen, helium, carbon dioxide, methane

Examples of liquids (at room temperature and pressure) – Water, milk, juice, petrol, oil

Examples of solids (at room temperature and pressure) –Wood, rocks, metal, plastic, glass, wool, leather, etc

 

Processes – Melting, condensation, evaporation, solidifying, freezing

Water cycle

Water vapour

Steam

Heating

Cooling

Temperature

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