Term
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Definition
| transfer of energy between objects of different temperatures |
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Term
| Heat always transfers from __________ temps to ____________ temps |
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Definition
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Term
| How is thermal energy transferred? |
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Definition
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Term
| Heat transfers KE from ____________ molecules to ______________ molecules. |
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Definition
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Term
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Definition
| the transfer of kinetic energy continues until the objects reach the same temperature. |
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Term
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Definition
| the total energy of the particles that make up a substance. |
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Term
| What 3 things does thermal energy depend on? |
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Definition
| temperature, total mass, and type of matter |
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Term
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Definition
| Amount of energy needed to change the temperature of a kg of substance 1 degree Celcius |
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Term
| Who invented the first themometer? |
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Definition
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Term
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Definition
| a measure of the average kinetic energy of the particles that make up a sample of matter. |
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Term
| the higher the kinetic energy the __________________ the temperature. |
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Definition
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Term
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Definition
| most substances expand when heated and contract when cooled. |
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Term
| What principle does a thermometer work on? |
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Definition
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Term
Farenheit
freezing point: ____________
boiling point: ____________ |
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Definition
32 degrees F
212 degrees F |
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Term
Celcius
freezing point
boiling point |
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Definition
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Term
Kelvin Scale
freezing point
boiling point |
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Definition
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Term
| Proper S unit for temperature is _____________. |
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Definition
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Term
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Definition
| transfer of thermal energy from one object to another by direct contact |
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Term
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Definition
| the transfer of thermal energy by the movement of a liquid or gas |
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Term
| Particles in motion have _______ energy |
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Definition
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Term
| What is the lowest possible temperature or the absolute zero? |
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Definition
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Term
| what happens to substances when they are heated? |
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Definition
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Term
| Scientists use ___________ or _________ to measure temperture. |
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Definition
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Term
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Definition
| The amount of energy needed to change the temperature of 1 kg of a substance by 1 degree Celcius. |
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Term
| A finger placed in a cup of hot water is an example of what? |
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Definition
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Term
| Feeling the warmth from a fire in the fireplace is due to what? |
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Definition
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Term
| Gold has a specific heat of 129J/kg/degree C. This means that it requires ______ Joules of energy to raise __________ Kg of gold ______ degree celcius |
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Definition
| 129 J, 1 Kg 1 degree celcius |
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Term
| Particles of a ____________ vibrate in place. |
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Definition
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Term
| Most thermometers work on the principle of ___________ ___________. |
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Definition
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Term
| Particles of a ___________ are able to slide past one another. |
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Definition
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Term
| Particles of a ___________ move independently of each other. |
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Definition
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Term
| Why does water get hotter quicker than sand? |
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Definition
| Water has a higher specific heat than sand. |
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Term
| Many cooking utencils do not have metal handles. Why? |
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Definition
| Metal is a conductor, therefore it is better to use wood or plasic which are insulators. |
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Term
Which of the following does NOT vary with the mass of a substance?
heat, themal energy, temperature |
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Definition
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Term
| 68 ml is equal to ________ grams of water. |
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Definition
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Term
| When 2 substances have the same temperature, they have the same ___________ kinetic energy. |
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Definition
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Term
| Heat is the transfer of _________ between objects at different _________. |
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Definition
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Term
| Is burning something a chemical or physical change? |
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Definition
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Term
| How is energy transfered from the sun to Earth? |
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Definition
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Term
| What state of matter has the lowest average kinetic energy? |
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Definition
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Term
| A reminder from Mrs. Bosse |
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Definition
| Make sure to review Chapter 10 in the book and your notes. B day science classes have the test on Tues.after break. Have a great spring break! Take some time to study. (: |
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