Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science Test 10/12
| Question | Answer |
|---|---|
| What are the states of matter? | solid,liquid,gas,plasma,B.E.C |
| What does B.E.C mean? | Bose-Einstein condensate |
| Where you have ______, you have _____. | motion, energy |
| Solid | has a fixed volume and shape |
| Liquid | has a fixed volume but no fixed shape |
| gas | has no fixed shape or volume |
| plasma | state of matter in which atoms have been stripped of their electrons. ( a super heated gas)ex.sun,lightning |
| B.E.C. | a new state of matter discovered at extremely low temp. (cold) |
| ______ have very ____ energy and can vibrate, but not a lot. | solids, little |
| _____ has more engery than solids. | liquids. |
| ______ is the most unstructured. ___ amount of energy. Moves very fast. ____,______, and _____ can change it. | gas, huge, temp., volume and pressure |
| changing the state of matter is a.... | physical change. |
| Process: melting | solid to liquid |
| melting point | lowest temp. at which a substance STARTS to melt. ( same temp as the freezing point) |
| Process: freezing | liquid to solid |
| freezing point | the temp. in which a substance BEGINS to become a solid. ( same temp as the melting point) |
| Process: evaporation | liquid to gas |
| boiling point | the temp. in which a substance begins to evaporate into a gas. |
| process: condensation | gas to liquid |
| sublimation | when a solid changes directly to a gas |
| ___ mass and ____ temp. makes atoms go faster. | less, hotter |
| Boyle's law ( gas law ) for a fixed amount of gas, the ___ increases as its ______ decreases. | the relationship between volume and pressure. volume, pressure |
| charles law ( gas Law ) for a fixed amount of gas, the volume _____, as the temp. ______. | relationship between temp. and pressure. increases, increases. (temp and volume are directly proportional!!) |
| physical changes | a change in any physical property of a substance, not the substance itself. ex. stretching a rubberband |
| chemical changes | a change of one substance into another substance. |
| indications that a chemical change is happening | an odor, change in temp., change in color, precipitate forms, gas is present |
Created by:
1l2b
Popular Science sets