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GEHS-Hughes Unit 7
GEHS-Hughes Matter, Physical & Chemical Properties
| Question | Answer |
|---|---|
| SOLID | *Definate Shape and Volume *least amount of energy *sound travels fastest in this state |
| LIQUID | *Definate Volume and NO definate shape *medium amount of kinetic energy *takes shape of container it is in |
| GAS | *NO definate shape or volume *highest amount of kinetic energy *sound travels slowest in this state |
| SOLID Molecules | vibrate next to each other, VERY densely packed. |
| LIQUID Molecules | glide over each other, and least densely packed. |
| GAS Molecules | move anywhere,loose particles. |
| Matter | Anything that takes up space(volume)and has mass. The BIGGEST particle of all. |
| Molecules | a little smaller than matter. |
| Elements | a little smaller than molecules. |
| Atom | a little smaller than elements. |
| Subatomic particles | a little smaller than an atom, but larger than quarks. |
| Quarks | SMALLEST particle of all (charges). |
| Plasma | Found in stars, most abundant in the universe. |
| Kinetic Theory of Matter | All objects are made of tiny particles that bump together. Increase temp, bumping increases. Decrease temp, bumping decreases. |
| Physical Property | a characteristic of matter that can be observed or measured without changing an object. |
| Pysical Change Examples: | *crushing rock *reshape wax *melting ice *shiny *solid. Something that can be easily undone, Does not change into a different substance, Can change states of matter. |
| Chemical Property | property of matter that describes how a substance changes into a new substance. |
| Chemical Change Examples: | *baking cookies *produce a gas *flammable or explosive elements.Changes to something else. |
| Sublimation | a solid turns into a gas |
| States of Matter | Solid, Liquid, Gas, Plasma |
| Melting and Freezing Point | both occur at the same temperature. |
| Freezing Point | a liquid turns into a solid. (exothermic) |
| Condensation | a change of state from a liquid to a gas. |
| Evaporation | a change from a liquid to a gas. |
| Latent Heat | heat added that does not change the temperature of the substance, but causes a phase change. |
| Independent Variable | What is different that is being tested? |
| Dependent Variable | What can be measured (size, number). |
Created by:
grimshaw'sclass
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