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Science Midterm :(
| Question | Answer |
|---|---|
| Inertia increases as what increases? | mass |
| During physical changes, matter always retains its.... | identity |
| one way to compare densities of oil and water is to pur liquids into glass container and obsere how they... | separate into layers |
| the melting of butter when it is left into a warm room is an example of a ..... | physical change |
| being able to burn wood is an example of wood's.... | chemical properties |
| making alluminum foil demonstrates.... | chemical property |
| boiling points and freezing points are examples of... | physical properties |
| the volume of gas increases and speed of particles increase is what.... | what happens as temp of gas in baloon increases |
| which of the following changes of state is exothermic? | a. evaporation b. sublimination c. FREEZING d. melting |
| 4 most familiar staes of matter? | solid, liquid, gas, plasma |
| according to Charle's law, if you were to put an inflated baloon in a freezer for about 10 min, baloon would... | shrunk b/c gas volume decreases as temp decreases |
| you can cause water to change state by removing or adding.... | energy |
| Gallium's melting point is 30 degrees celsius. your normal body temp is around 37 degrees. Gallium would melt in your hand b/c energy... | is transferred from your hand to Gallium |