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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 |