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