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chemical reaction
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chemical formula
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Energy in Cells

QuestionAnswer
chemical reaction when atoms or molecules are combined and new substances are produced and energy is released or absorbed in the process
chemical formula the abbreviated way of writing the name of a substance (ex. water is H2O) to show what elements are in it and how many atoms of each
chemical energy energy stored in bonds of atoms or molecules
chemical equation the abbreviated way of writing a chemical reaction
products the substances at the end of a chemical reaction (the right side of a chemical equation)
energy the ability to do work, comes in different forms: heat, light, motion, chemical, etc
calorie a measurement of energy in the form of heat given off (as when something is burned or when energy is released from food)
metabolism all the chemical reactions that take place in a living organism
autotrophs organisms that make food for themselves (ety: auto = self, troph = feeding), also called producers (adjective = autotrophic)
heterotrophs organisms that must eat to get energy (ety: hetero = other, troph =feeding), also called consumers (adjective = heterotrophic)
photosynthesis chemical reaction that takes place in the chloroplasts of producers to produce sugars as a food source (ety: photo = light, synthesis = making food from)
chlorophyll the pigment in plants that gives them their green color and which is used in photosynthesis
respiration chemical reaction that takes place in the mitochondria of both consumers and producers which releases the energy trapped in sugars (ety: “breathing” of cells as they take in oxygen)
-> the “yields” sign in a chemical equation...points to what new substances will be made in the reaction
∆ the “delta” sign in a chemical equation…means “change in” whatever is being talked about
chemical bonds connection that holds atoms together to form molecules; the connection is made when atoms share or steal electrons
Created by: deirdrek827
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