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words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
ATP    
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ADP    
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aerobic    
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anaerobic    
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atom   The smallest unit of an element that maintains the properties of that element.  
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carbon dioxide    
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carbohydrate   A class of molecules that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen.  
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cellular respiration   The process by which cells use oxygen to produce energy from food.  
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chlorophyll   A green pigment that captures light energy for photosynthesis.  
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chloroplast   An organelle found in plant and algae cells where photosynthesis occurs.  
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energy   The capacity to do work.  
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glucose    
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hydrogen    
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law   A descriptive statement or equation that reliably predicts events under certain conditions.  
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Law of Conservation of Energy   The law that states that energy cannot be created or destroyed but can be changed from one form to another.  
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Law of Conservation of Mass   The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes.  
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mass   A measure of the amount of matter in an object.  
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matter   Anything that has mass and takes up space.  
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metabolism    
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mitochondria    
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molecule   A group of atoms that are held together by chemical bonds; a molecule is the smallest unit of a substance that can exist by itself and retain all of the substance's chemical properties.  
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oxygen    
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photosynthesis   The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food.  
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product   A substance that forms in a chemical reaction.  
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reactant   A substance that participates in a chemical reaction.  
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