2. Jeopardy $100 Classifying Matter Physical & Chemical States of Matter FluidsGas Laws $200 $300 $400 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 $500 $400 $300 $200 $100 Final Jeopardy Final Jeopardy

3. 1 - $100 What is matter? Why is light not classified as matter? What is matter? Why is light not classified as matter? Matter has mass and occupies space. Light has neither mass nor volume, nor is made up of matter. Light is energy. Matter has mass and occupies space. Light has neither mass nor volume, nor is made up of matter. Light is energy.

4. 1 - $200 Classify the following as a pure substance (element or compound) or mixture (homogeneous or heterogeneous) Classify the following as a pure substance (element or compound) or mixture (homogeneous or heterogeneous) A. sulfur, SC. smog A. sulfur, SC. smog B. methane, CH4 D. air B. methane, CH4 D. air A. element A. element B. compound B. compound C. heterogeneous mixture (colloid) C. heterogeneous mixture (colloid) D. Homogeneous mixture (solution) D. Homogeneous mixture (solution)

5. 1 - $300 What makes a compound different from an element? What makes a compound different from an element? A compound is made up of more than one different kind of atom. An element is made up of only 1 kind of atom. A compound is made up of more than one different kind of atom. An element is made up of only 1 kind of atom.

6. 1 - $400 An experiment shows that the element mercury has a density of 13.57 g/cc. What is the volume of 1.000 kg of pure mercury? An experiment shows that the element mercury has a density of 13.57 g/cc. What is the volume of 1.000 kg of pure mercury? A. 0.7369 ccC. 73.69 cc A. 0.7369 ccC. 73.69 cc B. 13.57 ccD. 1357 cc B. 13.57 ccD. 1357 cc Answer: Answer: m = 1.000 kg = 1000. g v = 13.57 g/cc v = 13.57 g/cc V = m = 1000.g = 73.69 cc V = m = 1000.g = 73.69 cc D 13.57g/cc THE ANSWER IS “C” D 13.57g/cc THE ANSWER IS “C”

7. 1 - $500 Which has a greater density, substance “A’ or “B”? Which has a greater density, substance “A’ or “B”? A

8. 2 - $100 When iron is left out in the rain, a ____________ change occurs. The result is ____________. When iron is left out in the rain, a ____________ change occurs. The result is ____________. Chemical Chemical Rust or Iron (III) oxide Rust or Iron (III) oxide

9. 2 - $200 Which of the following is NOT an example of a physical property? Which of the following is NOT an example of a physical property? A. freezing pointC. boiling point A. freezing pointC. boiling point B. reactivityD. density B. reactivityD. density B. B.

10. 2 - $300 Identify the following as physical or chemical properties. Identify the following as physical or chemical properties. A. reacts with waterE. boils at 100 ºC A. reacts with waterE. boils at 100 ºC B. is redF. is nonflammable B. is redF. is nonflammable C. is shiny and silveryG. has a low density C. is shiny and silveryG. has a low density D. melts easilyH. tarnishes in moist air D. melts easilyH. tarnishes in moist air A. chemicalE. physical A. chemicalE. physical B. physical F. chemical B. physical F. chemical C. physicalG. physical C. physicalG. physical D. physicalH. chemical D. physicalH. chemical

11. 2 - $400 Which is/are examples of chemical change? Which is/are examples of chemical change? A. ice melting A. ice melting B. pounding gold into a coin B. pounding gold into a coin C. paint fading C. paint fading D. puddle of water evaporating D. puddle of water evaporating C

12. 2 - $500 A jar contains 30 mL of glycerin (mass = 37.8 g) and 60 mL of corn syrup (mass = 82.8 g). Which liquid is the top layer? Explain. A jar contains 30 mL of glycerin (mass = 37.8 g) and 60 mL of corn syrup (mass = 82.8 g). Which liquid is the top layer? Explain. Glycerin: D = m = 37.8 g = 1.26 g/mL Glycerin: D = m = 37.8 g = 1.26 g/mL v 30 mL v 30 mL Corn Syrup: D = m = 82.8 g = 1.38 g/mL Corn Syrup: D = m = 82.8 g = 1.38 g/mL v 60 mL v 60 mL Glycerin is on top because it is less dense than corn syrup. Glycerin is on top because it is less dense than corn syrup.

13. 3 - $100 As temperature increases, particles move faster. As the temperature cools, particles move slower. As temperature increases, particles move faster. As the temperature cools, particles move slower. What happens as the temperature rises, in terms of kinetic theory? What happens as the temperature cools?

14. 3 - $200 Explain the particle motion in each of the 4 states of matter. Explain the particle motion in each of the 4 states of matter. Solid – particles are vibrating in place. Solid – particles are vibrating in place. Liquid – particles are still close together, but not as ordered, and can move more freely, thus a liquid “flows” Liquid – particles are still close together, but not as ordered, and can move more freely, thus a liquid “flows” Gas – particles moving faster and fill all available space in a container. Gas – particles moving faster and fill all available space in a container. Plasma – highest energy state containing ions and atoms Plasma – highest energy state containing ions and atoms

15. 3 - $300 A. What state of matter takes the shape of the container? A. What state of matter takes the shape of the container? B. Which state of matter fills available space in a container? B. Which state of matter fills available space in a container? C. Which state of matter tends to keep an orderly shape? C. Which state of matter tends to keep an orderly shape? A. liquid A. liquid B. Gas B. Gas C. solid C. solid

16. 3 - $400 If a solid piece of napthalene is heated and remains at 80 º C until it is completely melted, you know that 80 º C is the: If a solid piece of napthalene is heated and remains at 80 º C until it is completely melted, you know that 80 º C is the: A. freezing point of napthalene A. freezing point of napthalene B. melting point of napthalene B. melting point of napthalene C. boiling point of napthalene C. boiling point of napthalene D. Both A and B D. Both A and B D. (Freezing point and boiling point for any substance is the same temperature). D. (Freezing point and boiling point for any substance is the same temperature).

17. 3 - $500 A. solid A. solid B. Melting/Freezing Point B. Melting/Freezing Point C. Liquid C. Liquid D. Boiling point/Condensation D. Boiling point/Condensation E. Gas E. Gas

18. 4 - $100 The buoyant force on an object in a fluid is an upward force equal to the weight of the fluid that the object displaces is _____________ Principle. The buoyant force on an object in a fluid is an upward force equal to the weight of the fluid that the object displaces is _____________ Principle. Archimedes Archimedes

19. 4 - $200 What is the SI unit of ___ ? What is the SI unit of ___ ? A. Temperature B. Pressure A. Kelvin (K) A. Kelvin (K) B. Pascal (Pa) B. Pascal (Pa)

20. 4 - $300 Fluid pressure is always directed Fluid pressure is always directed A. up A. up B. down B. down C. sideways C. sideways D. in all directions D. in all directions D. D.

21. 4 - $400 ____________ devices use liquids to transmit pressure from one point to another. ____________ devices use liquids to transmit pressure from one point to another. Hydraulic Hydraulic

22. 4 - $500 Why are liquids instead of gases used in hydraulic devices? Why are liquids instead of gases used in hydraulic devices? Because particles are closer together and cannot compress easily, so this helps distribute pressure more effectively. Because particles are closer together and cannot compress easily, so this helps distribute pressure more effectively.

23. 5 - $100 List 4 properties of gases. List 4 properties of gases. 1. flow 1. flow 2. have low density 2. have low density 3. are compressible 3. are compressible 4. expand to fill their containers 4. expand to fill their containers

24. 5 - $200 What causes the pressure exerted by gas molecules on their container? What causes the pressure exerted by gas molecules on their container? Pressure of a gas is caused by the collisions of particles with the sides of their container. Pressure of a gas is caused by the collisions of particles with the sides of their container.

25. 5 - $300 Use Boyles’ Law to explain why bubble wrap pops when squeezed. Use Boyles’ Law to explain why bubble wrap pops when squeezed. As the bubble is squeezed into a smaller volume, the pressure of the gas inside the bubble increases until it is high enough to burst the bubble. As the bubble is squeezed into a smaller volume, the pressure of the gas inside the bubble increases until it is high enough to burst the bubble.

26. 5 - $400 When scientists record the volume of a gas, why do they also record the temperature and pressure? When scientists record the volume of a gas, why do they also record the temperature and pressure? The volume of a gas is affected by temperature and pressure. The volume of a gas is affected by temperature and pressure.

27. 5 - $500 Predict what would happen to the volume of a balloon left on a sunny windowsill. Which law predicts the result? Predict what would happen to the volume of a balloon left on a sunny windowsill. Which law predicts the result? The volume of the balloon will increase as the temperature of the gases inside the balloon increase. The volume of the balloon will increase as the temperature of the gases inside the balloon increase. Charles’ Law Charles’ Law

28. Final Jeopardy A sample of neon gas occupies a volume of 2.8 L at 180 kPa. What will its’ volume be at 120 kPa? Which gas law is used to solve this equation? A sample of neon gas occupies a volume of 2.8 L at 180 kPa. What will its’ volume be at 120 kPa? Which gas law is used to solve this equation? P1V1 = P2V2 P1V1 = P2V2 V2 = (180 kPa)(2.8.L) = 4.2 L V2 = (180 kPa)(2.8.L) = 4.2 L 120 kPa 120 kPa Boyles’ Law Boyles’ Law