Gappa 6th Physical/Chemical Changes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| substances mixed together before a chemical change takes place (the ingredients) | reactants
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| new substance that is formed after a chemical change | product
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| substances that do not got though chemical changes very easy | stability
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| ability of a substance to go through a chemical change easily | reactivity
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| a substance's ability to burn | combustibility
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| clues that a chemical change has taken place | 1) new substance formed 2) can't be reversed 3)changes color 4) gas is formed 5) changes taste
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| burning a building | chemical change
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| adding sugar to tea | physical change
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| steam rising from a lake | physical change
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| bike chain starting to rust | chemical change
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| a dead tree being chopped down into small pieces | physical change
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| hammering a nail into the wall | physical change
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| food digesting | chemical change
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| green bananas becoming rip and turning yellow | chemical change
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| fruit starting to go bad | chemical change
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| Is density a chemical or physical property? | physical
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| Is a mixture a chemical or physical property? | physical
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| Smooth, rough, and bumpy describe what physical property? | texture
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| ability of a substance to float | buoyancy
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| name the four states of matter | solid, liquid, gas, plasma
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| ability of a substance to by bent or ahmmered into thin sheets | maleability
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| ability of a substance to be made into thin threads | ductility
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| liquid to a gas with heat | boiling
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| liquid to a gas without heat | evaporation
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| gas to a liquid | condensation
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| liquid to a solid | freezing
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| solid to a liquid | melting
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| solid to a gas | sublimation
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| What state of matter are the atoms really close together? | solid
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| What state of matter are the atoms somewhat close together? | liquid
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| What state of matter do the atoms move really fast and move far apart? | gas
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| Type of mixture in which the particles are evenly mixed throughout and are so small you can't see them | solution
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| Can solutions be made up of a solid and a liquid? | YES
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| Can a solution be made up of two different solids? | YES
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| Can a solution be made up of many different gasses? | YES
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| Can a solution be made up of a gas and a liquid? | YES
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