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| A force that holds atoms togther. |
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| Property of a substance in which it returns to equalibrium after being stretched or compresed. |
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PEs= 1/2Kx(Squared)
x= Distance from equalibrium.
K= Force Constant |
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| The Energy of position and stored energy. |
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| Formula for Potential Energy |
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PEg=mgh
PEs=1/2Kx(squared) |
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| Unit for potential Energy |
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| "joule"= (Newton x meter) |
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| Formula for Kenetic Energy |
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"joule"= (Newton x meter)
(kg m/s squared x meter) |
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| The rate at which work is done. |
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| Watt= (Joule/ Second)= (N x M / Second)= (kg m/s squared x Merter/ Second) |
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| A Force that opposes motion. |
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Tungsten (W)
W= chemical sumel |
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| Give an example of Mechanical energy |
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Definition
| The school bus you ride in |
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| What is elastic potential Energy? |
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| potential Energy that is associated with objects that are streched or compressed. |
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| What is potential energy that depends on height? |
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Definition
| gravatational potential energy |
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| What is mechanical energy? |
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Definition
| the energy associated with the motion posistion of an object. |
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| the total energy of the particles in an object. |
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| the potential energy store in chemical bonds that hold chemical compounds together. |
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| what kind of energy is stored in the foods you eat? |
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| what kind of energy is stored in the nucleus of an atom? |
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| what is an example of electromagnetic energy? |
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| the light we see everyday |
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| the change from one form of energy to another is called? |
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| when you throw and orange into the air what kind of energy increases and hieght increases? |
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| as an orange falls from it height, what kind of energy increases and what kind of energy decreases? |
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| potential energy increases and kenetic energy decreases. |
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| what is the law of conservation of energy |
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Definition
| energy can be changed from one form to another, but energy can never be created or destroyed. |
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| friction converts mechanical energy to what? |
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| how did albert enstein say the law of conservtion could be changed? |
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| he said energy could sometimes be created by destroying matter. |
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TRUE or FALSE
matter and energy can be converted back and forth? |
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TRUE or FALSE
A fuel is a material that stores chemical potential energy |
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| Natural gas, coal, and petroleum |
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| where did the energy is fossil fuels origionally come from? |
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| What energy conversion takes place durring photosynthesis? |
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Definition
| plants convert light energy from the sun into chemical potential energy |
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| The process of burning fossil fuels is know as... |
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| What is the formula to calculate Power? |
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Power= work/ time
or
Power= force x distance/ time |
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| Power is the ______ at which energy is transferred from one form into anotheror transferred from one object to another. |
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