2. Template by Bill Arcuri, WCSD Who Wants to Be a Millionaire?

3. Changes in Matter _________________________ _____________________ ___________________ __________________ _________________ ______________ Click the appropriate dollar amount at right to proceed to the question

4. Template by Bill Arcuri, WCSD Phone A Friend “OK Contestant…Please select a friend to help you with this one. You have thirty seconds to discuss your options…” Return to the Question

5. Template by Bill Arcuri, WCSD Ask the Audience “Audience, we need your help on this one…in a moment, we’ll ask you to indicate, by show of hands, your choice for the correct answer…” Return to the Question

6. Template by Bill Arcuri, WCSD Fifty - Fifty You’ve asked that two of the wrong answers be eliminated, leaving you with one wrong answer plus the correct one. 50/50 Return to the Question

7. Template by Bill Arcuri, WCSD Correct Correct! Proceed to Next Question

8. Template by Bill Arcuri, WCSD Incorrect Sorry, That’s Incorrect Return to the Question

9. Template by Bill Arcuri, WCSD One kind of matter changes into another kind of matter Which change below is a chemical change? One kind of matter changes its shape and volume One kind of matter keeps its identity and properties One kind of matter changes phases 50/50 A CD B

10. Template by Bill Arcuri, WCSD A dry sponge expanding in water Which of the following is an example of combustion? A container of milk souring to cottage cheese A log burning in a fire A piece of gray metal turning to rust A CD B 50/50

11. Template by Bill Arcuri, WCSD carbon What is the product of this reaction: C + O 2 -> CO 2 carbon dioxidedioxide oxygen A CD B 50/50

12. Template by Bill Arcuri, WCSD Matter is destroyed Which of the following describes what happens during a chemical reaction? Matter is neither created nor destroyed Matter is created and destroyed Matter is not changed A CD B 50/50

13. Template by Bill Arcuri, WCSD Reduction reaction What kind of reaction occurs when two compounds split apart and the parts switch places? Combination reaction Decomposition reaction Replacement reaction A CD B 50/50

14. Template by Bill Arcuri, WCSD Put on safety goggles What should you do first before using chemicals at home? Wear a long shirt and pants Read the directions Ask a friend what to do A CD B 50/50

15. Template by Bill Arcuri, WCSD silk A tent is made from a polymer developed in a chemical laboratory. What is the name of the polymer? nyloncotton wool A CD B 50/50

16. Template by Bill Arcuri, WCSD Reduction reaction What kind of reaction is shown when 2 H 2 molecules combine with 1 O 2 to make 2 H 2 O? Replacement reaction Decomposition reaction Combination reaction A CD B 50/50

17. Template by Bill Arcuri, WCSD It is a weak base A scientist used indicator paper to test an unknown substance. The indicator paper turned red. What can the scientist conclude about the substance? It is a strong base It is a strong acid It is a weak acid A CD B 50/50

18. Template by Bill Arcuri, WCSD penicillin What bacteria-killing substances did Alexander Fleming accidentally discover that became an important life-saving medicine? aspirinvitamins insulin A CD B 50/50

19. Template by Bill Arcuri, WCSD oxygen Rubber can be treated with this substance to make it more durable. hydrogenchlorine sulfur A CD B 50/50

20. Template by Bill Arcuri, WCSD cement Which of the following is not a man-made material? plasticwool nylon A CD B 50/50

21. Template by Bill Arcuri, WCSD carbon dioxide Which of the following is not a chemical that helps us stay healthy or make more food? antibioticsfertilizers vitamins A CD B 50/50

22. Template by Bill Arcuri, WCSD baking soda This is what scientists use to dissolve limestone away from fossils. saltsugar vinegar A CD B 50/50

23. Template by Bill Arcuri, WCSD quicker The warmer a solvent, the __________ the reaction occurs. nicermeaner slower A CD B 50/50