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Review of the concepts covered during the energy unit.

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Question
Answer
Why do you think the wire contracted after we caught it on fire?   Because hot objects expand.  
Do all objects/substances heat up at the same rate?   No - each has it's own specific heat  
What is kinetic energy?   Energy in motion  
Does hot move to cold or cold moves to hot?   hot moves to cold  
Energy exchange between objects that are touching.   Conduction  
Energy exchange through air or liquids.   Convection  
Can be proven true anywhere in the universe.   Law  
An answer to a question based on observations. It cannot be proven.   Theory  
The point that matter is so cold its molecules don't move   Absolute Zero  
Materials that heat up quickly.(metal)   Conductors  
Materials that do not transfer energy rapidly. (rubber, foam)   Insulators  
What is potential energy?   Stored energy - Weight x Height  
Energy cannot be created or destroyed.   Law of conservation of Energy  
98.6   Temperature of Human Body  
Molecules moving very quickly   High Energy  
Molecules moving very slowly   Low Energy  


   


 

 

 

 

 

 
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