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Science finals words
| Question | Answer |
|---|---|
| Kinect energy | Energy in motion Heat (thermal energy) will increase Kinect energy |
| potential energy | stored energy the higher you go the more potential energy you will have |
| mass | the more mass you have the more Kinect energy you have |
| claim | restate and answer the problem (question) of the experiment to don't explain |
| quantitvite observations | using numbers from a data table to explain |
| energy transfer | the first item transfers energy to the second item when they collied the first item would lose energy and the seconnd would gain energy. |
| Gravity | the force that pulls things to earth the more mass you have the more gravity you have. |
| volume | the amount of space a object takes up measured in mL of cm3 |
| density | formula is mass/volume the biggest density will sink to the bottom the least dense will layer on top |
| soild | particles are tightly packed and vibrate a little. |
| liquid | particles take shape of the container and are more spread out than solids |
| gas | particles are very spread out |
| evaporation | a liquid changes into gas usually caused by the sun |
| mixture | can be separated by evaporation magtiems solubility and filtration |
| filtration | using water and filter paper to separate a mixture |
| open system | the mass of a substance would change since its open to the air |
| closed system | the mass of a substance would not change if its confied and can not escape |
| conversation of mass | the total number of atoms on the left side of the chemical equaction must equal the the number of atoms on the right side of the chemical reaction |
| thermal energy | as you add thermal energy (heat) the the tempture will increase and the particles move faster |
| elements | count the capital letter to detiremn the amount of elements in a compond |
| Coeefficant | The big number in front of a compound no number means one molecue |
| Ball and stick model | the subscript (the small number after a element) tells the number of atoms of that element. No number means 1 atom |
| Chemical reaction | Somthing new is formed |
| Magentisim | A way of separating a mixture that contains iron fillings as you increase the number of magencts the strength increases |
| Electromagnect | Made with a nail and wire it can also be turned on and off. |
| trials | the more time you do trials an experment the more accurate it will be. |
| Series circut | ONE pathway for electricity to flow If one bulb goes out the circut goes out All bulbs will have the same brightness |
| Parrall circut | Has many pathways for electricity to flow If one blub goes out the rest stay on Used in building, stores, homes |
| Endothermic | Energy is absorbed En (enter) tempture goes down it feels cold |
| Exothermic | Energy is released Ex (exit) tempture goes up it feels hot |
| Carbon dioxide (C02) and water vapor (H20) | They are both gases |
| Bar graph | A graph that has bars |
| Solubilty | how qucikly something dissolves if you raise the tempture the solubilty will increase |
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