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Grades 5 and 6 Physical World Heat & Energy

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
energy   ability to perform work  
mechanical energy   energy of movement  
chemical energy   energy stored in chemical bonds  
nuclear energy   energy stored in the nucleus of an atom  
thermal energy   total kinetic energy that an object's molecules possess  
electrical energy   flow of electrons  
magnetism   attractive and repelling forces contained in magnetic materials  
sound energy   energy that travels in waves through matter and can be detected by the ear  
light energy   electromagnetic waves that can be detected by the eye  
kinetic energy   energy that is in motion  
potential energy   energy that is stored  
photosynthesis   reaction inside plants that combines water, carbon dioxide, and sunlight to produce sugar and oxygen  
cellular respiration   process that breaks down sugar molecules to release the stored energy  
digestion   another word for cellular respiration  
fossil fuels   petroleum products formed from the remains of plants and animals that were buried in the past and placed under pressure  
combustion   releasing of energy through burning  
fission   breaking apart of a nucleus into smaller nuclei  
fusion   combining of nuclear particles to form a larger nucleus  
atomic bomb   weapon powered by fission  
hydrogen bomb   weapon powered by fusion  


   






 
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