Dive into the fascinating world of particles and energy with this KS2 Science quiz! It's all about how tiny particles in solids, liquids, and gases behave, and how they play with energy, like in evaporation and condensation.
Everything around us, whether it's a solid, liquid, or gas, is made of particles called atoms. Atoms are so tiny you wouldn't even be able to see them with a good microscope! Inside atoms are even smaller particles. There are electrons, protons, and neutrons. And hold on, there's something even tinier than them - quarks!
How do particles in solids, liquids, and gases act differently? What makes particles vibrate? Test your particle knowledge with this cool KS2 Science quiz!
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You can find more about this topic by visiting BBC Bitesize - States of matter
The clue is in the name! 'Photo' means 'related to light'
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Sound is a vibration in the air
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When a substance is solid, its particles do not move around much. Because their particles are so tightly packed, solids keep their shape unless forced to change (i.e. by cutting or squashing)
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Liquids are halfway between a solid and a gas
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The particles in gases move much faster than those in a liquid and those of a solid hardly move at all
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This is why sound can pass through almost any material
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If you heat a liquid up you are giving it energy and it might evaporate
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The energy speeds up the particles so they are gaining both speed and energy
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Lowering the temperature reduces the amount of energy
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Vibrations can be passed along more quickly when particles are closer together, as they are in a solid
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