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3. LOVE SHACK JEOPARDY NO CLOWNS TODAY WHERE’S WINTER? H-dawg is 2CHAINZ JOHAF is really Justin Bieber Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy Last cat of the DAY

4. $100 NO CLOWNS TODAY What happens to a solid object with a density that is less than water when it is placed in water? a.The object sinks about halfway into the water. b.The object displaces a quantity of water greater than its volume. c.The object settles to the bottom of the water. d.The object floats on top of the water.

5. $200 NO CLOWNS TODAY The melting point of salt is the same as its a.boiling point. b.condensation point. c.freezing point. d.sublimation point.

6. $300 NO CLOWNS TODAY If you poured three liquids (that do not mix completely) into a beaker, how could you tell which one is the densest liquid? a.The liquid that is floating on top is the densest liquid. b.The liquid that settles to the bottom is the densest liquid c.The liquid with the deep red color is the densest liquid. d.There is no way to tell which liquid is densest from the description.

7. $400 NO CLOWNS TODAY What kinds of changes in substances are always physical changes? a.changes of state from solid to liquid to gas and back b.changes that result in new substances being formed c.changes that change the identity of the substance d.changes that change the density of the substances

8. $500 NO CLOWNS TODAY Which of the following is NOT an example of a physical change? a.the shaping of a gold bar b.the melting of a Popsicle c.the explosion of fireworks d.The sanding of a piece of wood

9. $100 WHERE’S WINTER? What is the best way to tell if a chemical change has taken place? a.The matter changes color. b.The change is reversible. c.A mixture separates into layers. d. A composition changes.

10. $200 WHERE’S WINTER? Which of the following is a chemical property of matter? a.solubility c.density b.volume d.reactivity

11. $300 WHERE’S WINTER? Which physical property of matter describes the relationship between mass and volume? a.density c.reactivity b.ductility d.weight

12. $400 WHERE’S WINTER? During physical changes, matter always retains its a.size. c.state. b.identity. d.texture.

13. $500 WHERE’S WINTER? Why is freezing water to make ice considered a physical change? a.The ice has some new properties. b.The water changes its state. c. The ice floats on water. d.The water changes its identity

14. $100 H DAWG IS 2CHAINZ! Which of the following statements is NOT true of atoms and molecules? a.They are tiny particles. b.They are found in all matter. c.They are always in motion. d.They never bump into each other

15. $200 H DAWG IS 2CHAINZ! In a solid, the particles a.overcome the strong attraction between them. b.vibrate in place. c.slide past one another. d.move independently of one another.

16. $300 H DAWG IS 2CHAINZ! A gas a.has a definite volume but no definite shape. b.has a definite shape but no definite volume. c.has fast-moving particles. d.has particles that are always close together.

17. $400 H DAWG IS 2CHAINZ! The temperature of a substance increases as a.the substance expands. b.the average kinetic energy of its particles increases. c.the substance’s volume increases. d.the substance’s mass increases.

18. $500 H DAWG IS 2CHAINZ! What happens to matter during chemical changes? a.It retains its identity. b.Its composition changes c.The state of matter changes. d.Only the form of the matter changes.

19. $100 JOHAF is Really Justin Bieber. Railroad tracks have gaps between the rails so that they will not buckle in hot weather because of a.thermal conductivity. b.thermal expansion. c.specific heat. d.thermal insulation.

20. $200 JOHAF is Really Justin Bieber. Which of the following occurs when a liquid becomes a gas? a.The particles give off energy. b.The particles break away from one another. c.The particles move closer together. d.The particles slow down.

21. $300 JOHAF is Really Justin Bieber. A liter of gasoline will boil at a. a higher temperature than a milliliter of gasoline. b.a lower temperature than a milliliter of gasoline. c.the same temperature as a milliliter of gasoline. d.the same temperature as a milliliter of water.

22. $400 JOHAF is Really Justin Bieber. The reverse of condensation is a.boiling. c.freezing. b.evaporation.d.sublimation.

23. $500 JOHAF is Really Justin Bieber. When two or more elements join together chemically, a.a compound is formed. b.a mixture is formed. c.a substance that is the same as the elements is formed. d.the physical properties of the substances remain the same.

24. $100 LAST CAT OF THE DAY An example of the thermal expansion of a liquid is a.an expansion joint in a bridge. b.the mercury in a thermometer. c.water pushed from narrow pipes to wider pipes. d.a balloon inflated by hot air.

25. $200 LAST CAT OF THE DAY If you open a bottle of perfume, after a period of time, the people on the opposite side of the room will be able to smell it due to the process of a.condensation. c.sublimation. b.evaporation. d.vapor pressure.

26. $300 LAST CAT OF THE DAY Which of the following statements is true about an object’s weight but NOT about its mass? a.It may vary depending on the object’s location. b.It is a measure of the amount of matter in the object. c.It is measured in kilograms (kg) or grams (g). d.It would be the same on the moon as it is on Earth.

27. $400 LAST CAT OF THE DAY Why are chemical properties harder to observe than physical properties? a.Chemical properties change the substance’s identity. b.Chemical properties depend on the size of the sample. c.Physical properties can be observed and measured. d.Physical properties change the identity of a substance.

28. $500 LAST CAT OF THE DAY If a spoonful of salt is mixed in a glass of water, what is the water called? a.solute c.solvent b.solutiond.element

29. Final Jeopardy How is a compound different from a mixture? a. Compounds have two or more components. b. Compounds are commonly found in nature. c. Solids, liquids, and gases can form compounds. d.Each substance in a compound loses its characteristic properties.

30. Final Jeopardy Answer D

31. ANSWERS NO CLOWNS TODAY 100-D 200-C 300-B 400-A 500-C WHERE’S WINTER 100-D 200-D 300-A 400-B 500-B HDAWG IS 2CHAINZ 100- D 200-B 300-C 400-B 500-B JOHAF 100-B 200-B 300-C 400- B 500- A LAST CAT 100-B 200-B 300-A 400-A 500-C