Science Jeopardy ABCDE Final Jeopardy

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Question Answer A-100 QUESTION: A substance that undergoes a chemical change. ANSWER: Reactant

Question Answer A-200 QUESTION: a substance that is the result of a chemical change. ANSWER: Product

Question Answer A-300 QUESTION: A reaction that transfers energy from the reactants to the surroundings as heat ANSWER: Exothermic reaction

Question Answer A-400 QUESTION: A form endothermic reaction used by plants to create glucose and oxygen ANSWER: Photosynthesis

Question Answer A-500 QUESTION: This important mechanism is needed to break the bonds of atoms and molecules. ANSWER: Energy

Question Answer QUESTION: a reaction in which energy is transferred to the reactants as heat from the surroundings ANSWER: Endothermic reaction B-100

Question Answer B-200 QUESTION:The energy stored within atoms and molecules that can be released when a substance reacts. ANSWER: Chemical energy.

Question Answer B-300 QUESTION: A + B  AB ANSWER: Synthesis reaction

Question Answer B-400 QUESTION: a reaction in which a compound and oxygen burn ANSWER: Combustion reaction

Question Answer B-500 QUESTION: AB  A + B ANSWER: Decomposition reaction

Question Answer C-100 QUESTION: The smallest relative number of moles of the substances involved in a chemical reaction. ANSWER: Mole ratio

Question Answer C-200 QUESTION: An equation that uses chemical formulas and symbols to show the reactants and products in a chemical reaction ANSWER: Chemical equation

Question Answer C-300 QUESTION: A compound always contains the same elements in the same proportions, regardless of how the compound is made or how much of the compound is formed. ANSWER: The law of definite proportions

Question Answer C-400 QUESTION: Balanced equations indicate these two items. ANSWER: Particles and moles

Question Answer C-500 QUESTION: Mole ratios are derived from these. ANSWER: Balanced equations

Question Answer D-100 QUESTION: A substance that changes the rate of chemical reactions without being consumed. ANSWER: Catalyst

Question Answer D-200 QUESTION: A protein that speeds up a specific biochemical reaction. ANSWER: Enzyme

Question Answer D-300 QUESTION: A specific substance affected by an enzyme ANSWER: Substrate

Question Answer D-400 QUESTION: The state in which a chemical reaction and its reverse occur at the same time and at the same rate ANSWER: Equilibrium

Question Answer D-500 QUESTION: If a change is made to a system in chemical equilibrium, the equilibrium shifts to oppose the change until a new equilibrium is reached. ANSWER: Le Chatelier’s Principle

Question Answer E-100 QUESTION: In an endothermic reaction, the temperature will_____. ANSWER: Drop

Question Answer E-200 QUESTION: Concentrated solutions will cause a reaction to go _____. ANSWER: Faster

Question Answer E-300 QUESTION:   ANSWER: Equilibrium

Question Answer E-400 QUESTION: XA + B  BA + X ANSWER: Single-displacement reaction

Question Answer E-500 QUESTION: AX + BY  AY + BX ANSWER: Double-displacement reaction

Question Answer FINAL JEOPARDY QUESTION: The six general types of chemical reactions. ANSWER: Synthesis, decomposition, combustion, single-displacement, double- displacement, redox reaction