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

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

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

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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

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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