Term
| How heat effects particles in solids, liquid's and gas substances |
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Definition
| heat determines their state of matter |
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Term
| What happens to particles when heat is added to a substance |
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Definition
| the particles move faster |
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Term
| How does adding heat to a substance cause expansion |
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Definition
| the particles move faster, and this can cause the substance to change it's state of matter, or for example in a botle in baloon system the particles have more engery and cause bigger collisions which take up more room. |
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Term
| What happens to the density of a substance when heat is added |
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Definition
| it becomes less compact, and less dense |
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Term
| What happens to particles when heat is taken away from a substance? |
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Definition
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Term
| How does taking away heat from a substance cause contraction |
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Definition
| the particles slow down, and compact which takes up less space. |
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Term
| What happens to the density of a substance when heat is taken away |
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Definition
| the density becomes more compact and is more dense |
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Term
| Do particles ever stop moving |
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Definition
| no - except for 0 on the kelvin scale |
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Term
| Is energy created or destroyed |
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Definition
| niether, it can only be stored and transferred |
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Term
| How does energy transfer from particle to partcile |
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Definition
| partccles transfer engery by coliding with one another. |
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Term
| in what direction does energy transfer? High to Low? Low to High? |
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Definition
| High to Low. The highest speed particle in the collision cannot gain more energy it can only transfer energy away. |
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Term
| What is the difference between particles with high kinetic energy and low kinetic energy |
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Definition
| particles with low kinetic energy are slower moving then high kinetic energy particles. |
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Term
| Energy transfers through the universe in what three ways? |
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Definition
| Conduction, Convection, Radiation |
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Term
| What phase of matter does convection, conduction, and radiation take place in? |
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Definition
convection - liquids and gases
conduction - solids
radiation - in space |
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Term
| What do we call solids that are good conductors? |
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Definition
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Term
| What do we call solids that are bad conductors? |
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Definition
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Term
| How is density involved in convection? |
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Definition
| particles closest to the heat become less dense and rise away from the heat, while the particles further away from the heat become more dense and fall closer to the heat which than starts this cycle over which continues continues while the heat source is avialable |
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Term
| What is the motion and position of the particles in solids, liquids, and gas substances |
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Definition
Solids - close togeher and vibration
liquids - are further aparts and bumping into one another
gases - are moving really fast and bumping into on another all the time. |
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Term
| How do substances change phases or states of matter (think of particle theater from class) |
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Definition
| when the particles increase speed or decrease. |
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Term
| Pressure vs Temperature; What happens to the pressure when you increase or decrease the temperature. |
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Definition
| When the temperature increases so does the pressure, and when the temperature decreases so does the pressure. |
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Term
| Pressure vs Volume: what happens to the pressure when you increase or decrease the volume. |
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Definition
| When you descrease the volume of space available the pressure increase, and when you increase the volume avilable the pressure decreases. |
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Term
| Pressure vs Mass : what happens to the pressure when you increase or decrease mass? |
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Definition
| The pressure stays the same |
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Term
| What is temperature a measure of? |
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Definition
| the average kinetic energy of the particles in a substance. |
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Term
| What causes temperature to increase and decrease |
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Definition
| the amount of kinetic energy in the substances particles, which can be increased by heat, or decreased by cooling. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| the total energy given off by the vibrating particles in a substance |
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Term
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Definition
| the force pushing on a surface, divided by the area of the surface. |
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Term
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Definition
| when a substance gets larger |
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Term
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Definition
| when a substance gets smaller |
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Term
| Transfer (Energy Transfer) |
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Definition
| how energy is moved from one place, or particle to another. |
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Term
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Definition
| how energy transfers through solids. |
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Term
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Definition
| how energy transfers in liquids and gasses |
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Term
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Definition
| how energy moves through space. |
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