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Matter
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CHANGE OF STATE IN WATER: From liquid to solid…
Solidification
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Milk is a solid.
False. It is a liquid.
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Solids have always the same shape.
True
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When you heat liquid water over …..it evaporates.
100 Celsius degrees
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When ice becomes water…is it a physical or a chemical change?
Physical
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CHANGE OF STATE IN WATER: From liquid to gas…
Evaporation
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When you heat solid water over …..it melts.
0 Celsius degrees
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Ice is gas.
False. It is solid
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CHANGE OF STATE IN WATER: From solid to liquid…
Melting
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Solid, liquid or gas?
Solid
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A stone, will float or sink into the water? Why?
Sink, because its density is higher.
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A cork, will float or sink into the water?Why?
Float. Because its density is lower.
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RUSTING: Is it a physical o chemical change?
Chemical
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Say 2 properties of matter (different from mass and volume).
Colour, size, shape, hardness, texture, flexibility…
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Volume is measured in kilograms. True or false?
False
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Say the 2 most important properties of matter.
Mass and volume
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CHANGE OF STATE IN WATER: From gas to liquid….
Condensation
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Matter is everything that exists. True or false?
True
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Solid, liquid or gas?
Gas
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Gases expand to occupy all the space.
True
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BURNING: Is it a physical or a chemical change?
Chemical
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Liquids adapt to the container.
True
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Solid, liquid or gas?
Liquid
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What is the meaning of hardness?
Dureza
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