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What Am I?What Am I?
► I am a type of I am a type of mixture; I am mixture; I am formed when one formed when one substance, such as substance, such as water, dissolves water, dissolves other substances.other substances.
► SolutionSolution
► I am a chemical reaction I am a chemical reaction that absorbs more energy that absorbs more energy than I release; my products than I release; my products have a higher bond energy have a higher bond energy than my reactantsthan my reactants
► EndothermicEndothermic
► I am the type of molecule I am the type of molecule that stores genetic that stores genetic information in living thingsinformation in living things
► Nucleic acidNucleic acid
► I am an attraction between I am an attraction between a slightly positive hydrogen a slightly positive hydrogen atom and a slightly atom and a slightly negative atom, such as negative atom, such as oxygen or nitrogenoxygen or nitrogen
► Hydrogen bondHydrogen bond
► I am a catalyst for a I am a catalyst for a chemical reaction in living chemical reaction in living things; in almost all cases I things; in almost all cases I am a proteinam a protein
► EnzymeEnzyme
► Chemical bonds hold me Chemical bonds hold me together; I always contain together; I always contain atoms of more than one atoms of more than one elementelement
► CompoundCompound
► I am a carbon chain found I am a carbon chain found in many lipids; I can be in many lipids; I can be either saturated or either saturated or unsaturatedunsaturated
► Fatty acidFatty acid
► I have a positive charge if I I have a positive charge if I lose an electron; I have a lose an electron; I have a negative charge if I gain an negative charge if I gain an electronelectron
► IonIon
► I am a reactant an enzyme I am a reactant an enzyme acts on; I bind to an acts on; I bind to an enzyme’s active siteenzyme’s active site
► SubstrateSubstrate
► I am made of amino acids; I am made of amino acids; there are many different there are many different types of me with many types of me with many different functions in living different functions in living things.things.
► ProteinProtein
► I am a type of bond that I am a type of bond that involves sharing of an involves sharing of an electron pair; I hold electron pair; I hold together a water molecule.together a water molecule.
► Covalent bondCovalent bond
► I am an attraction between I am an attraction between different types of different types of molecules; I am the reason molecules; I am the reason why water clings to glass.why water clings to glass.
► AdhesionAdhesion
► I contain carbon, hydrogen, I contain carbon, hydrogen, and oxygen; Sometimes I and oxygen; Sometimes I am found in the cell walls of am found in the cell walls of plantsplants
► Carbohydrate (or Carbohydrate (or polysaccharide, or cellulose)polysaccharide, or cellulose)
► I am the amount of I am the amount of energy that is needed energy that is needed for a chemical reaction for a chemical reaction to start; after I am to start; after I am added, the reaction can added, the reaction can take place on its owntake place on its own
► Activation energyActivation energy
► I am always found in I am always found in organic molecules.organic molecules.
► CarbonCarbon
Same or Different? Same or Different? Do the pair of words describe the Do the pair of words describe the same thing or different things?same thing or different things?
► Atom/ElementAtom/Element► SameSame► Solvent/SoluteSolvent/Solute► DifferentDifferent► Acid/BaseAcid/Base► DifferentDifferent► Catalyst/EnzymeCatalyst/Enzyme► SameSame
► Cohesion/AdhesionCohesion/Adhesion► DifferentDifferent► Monomer/PolymerMonomer/Polymer► DifferentDifferent► Enzyme/ProteinEnzyme/Protein► SameSame► Endothermic/ExothermicEndothermic/Exothermic► DifferentDifferent
► Substrate/ReactantSubstrate/Reactant► SameSame► Compound/ElementCompound/Element► DifferentDifferent
Situational Vocabulary: Which Situational Vocabulary: Which choice most closely relates to choice most closely relates to
the vocabulary word?the vocabulary word?► Amino Acid: (a) lemon juice in iced tea (b) Amino Acid: (a) lemon juice in iced tea (b)
one of many beads on a string one of many beads on a string► (b) (b) ► Atom: (a) unicellular organism (b) Atom: (a) unicellular organism (b)
multicellular organismmulticellular organism► (a) (a) ► Covalent bond: (a) linking hands in a Covalent bond: (a) linking hands in a
human chain (b) passing a basketballhuman chain (b) passing a basketball► (a) (a)
► Lipid: (a) a car’s headlights (b) a Lipid: (a) a car’s headlights (b) a car’s gas tankcar’s gas tank
► (b) (b) ► Activation energy: (a) starting a Activation energy: (a) starting a
lawn-mower with the pull cord (b) lawn-mower with the pull cord (b) eating sugary foodseating sugary foods
► (a) (a) ► Solute: (a) getting lost in a crowd Solute: (a) getting lost in a crowd
(b) answering a math problem(b) answering a math problem► (a) (a)
► Water molecule: (a) a ring (b) head Water molecule: (a) a ring (b) head and ears of a cartoon mouseand ears of a cartoon mouse
► (b) (b) ► Activation energy: (a) a mountain Activation energy: (a) a mountain
(b) long, capital letter E (b) long, capital letter E ► (a)(a)► Triglyceride: (a) long, capital letter E Triglyceride: (a) long, capital letter E
(b) jigsaw puzzle pieces(b) jigsaw puzzle pieces►(a) (a)
► pH scale: (a) letters of the alphabet (b) pH scale: (a) letters of the alphabet (b)
meterstickmeterstick► (b)(b)
► Starch: (a) savings account in a bank (b) Starch: (a) savings account in a bank (b) loose change in your pocketloose change in your pocket
► (a) (a) ► Amino acids: (a) letters of the alphabet (b) Amino acids: (a) letters of the alphabet (b)
magnets magnets► (a)(a)