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Social unit 4

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Science unit 2 - Matter and materials

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  Temperature Temperature is a measure of how hot or cold something is. Temperature is usually measured in  - degrees Celsius (°C),  - Fahrenheit (°F),  - or Kelvin (K) Heat Heat can make a substance  expand change state. react with other substances. Heat is a kind of energy. Heat always flows from hot to cold, Heat can travel in three different ways.  conduction,  convection  radiation. Thermometer:  A thermometer is an instrument used to measure temperature, or how hot or cold something is. Types : Digital thermometer Liquid-in -glass thermometer Different materials: Most metals are good conductors Plastic, cork, cloth and wood are poor conductors.  They are insulators. Rubber is very elastic, Glass is transparent. Wood floats and burns. Stone is very strong, heavy and sinks in water. It does not burn. Most metals are found as ores in rocks. Metal is heavy and strong. It’s a good conductor of heat and electricity. Some metals are magne...
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Historical Era, Historical evidence, social, unit 1

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