Term
| How would you describe the molecules in a gas? |
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Definition
no arrangement
moving freely |
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Term
| How would you describe the molecules in a solid? |
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Definition
most arranged molecules
molecules vibrate
molecules move the slowest |
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Term
| How would you describe the molecules in a liquid? |
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Definition
| molecules can slide past each other |
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Term
| What form of matter has molecules moving the slowest? |
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Definition
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Term
| What form of matter has molecules moving the fastest? |
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Definition
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Term
| What form of matter has molecules that vibrate? |
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Definition
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Term
| What form of matter has molecules that slide past one another? |
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Definition
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Term
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Definition
definite shape
definite volume |
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Term
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Definition
indefinite shape
definite volume |
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Term
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Definition
indefinite shape
in definite volume |
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Term
| What state of matter has molecules tightly packed together in a fixed position? |
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Definition
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Term
| What state of matter conducts heat and energy the best? |
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Definition
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Term
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Definition
| the transfer of energy by molecules bumping into each other |
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Term
| What happens to the number of molecules in an solid when it turns into a liquid? |
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Definition
| in ALL phase changes the number of molecules stays the SAME |
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Term
| What state of matter has the strongest attractive force between their molecules? |
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Definition
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Term
| Why is heat conducted through solid? |
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Definition
| the molecules bump into each other easily because they are so close together |
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Term
| What state of matter has the most energy? |
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Definition
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Term
| What happens to molecules in sublimation? |
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Definition
| a solid changes right into a gas |
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Term
| What happens to molecules in melting? |
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Definition
| a solid changing into a liquid |
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Term
| What happens to molecules in evaporation? |
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Definition
a liquid turning into a gas ON THE SURFACE
like water evaporating from a puddle |
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Term
| What happens to molecules in freezing? |
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Definition
| a liquid changing into a solid |
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Term
| What happens to molecules in boiling? |
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Definition
a liquid changing into a gas UNDER THE SURFACE
like water on a stove |
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Term
| What happens to molecules in condensation? |
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Definition
| a gas changing into a liquid |
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Term
| What is a physical change? |
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Definition
| a phase change such as a solid to a liquid to a gas etc. |
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Term
| What phase change is the opposite of freezing? |
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Definition
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Term
| What phase change is the opposite of condensation? |
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Definition
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Term
| The melting point is the SAME as or EQUALS the |
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Definition
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Term
| What happens to the temperature during a phase change? |
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Definition
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Term
| What happens to the molecules when ice melts? |
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Definition
molecules move apart and speed up
energy is released |
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Term
| As atoms spread out and become more random they need |
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Definition
| MORE ENERGY to complete the phase change |
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Term
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Definition
| transfer of energy by molecules bumping into each other |
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