2. Science Jeopardy 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 ABCDE Final Jeopardy

3. Help (1) Save a duplicate of this template. (2) Enter all answers and questions in the normal view. (view/normal) (3) Change the category headings in the normal view (view/normal) (4) View as a slideshow. (5) Use the home red button after each question. ©Norman Herr, 2003

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

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

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

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

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

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

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

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

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

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

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

15. 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

16. 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

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

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

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

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

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

22. 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

23. 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

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

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

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

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

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

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