3. $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Grab BagDensityParticle Density and Size Earth Structure

4. Gab BagDensityParticle Density and Size Earth Structure $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $300 $400 $200 $500

5. Gab Bag $100 Which of these statements relates to this situation? A. Science can be used by many people, not just scientists B. Science can be used by scientists but not by most people C. Science is too complicated to be used to solve problems D. Science is not useful in everyday life

6. Gab Bag $200 A gold panner shakes a mixture of mud and water in a gold pan. He looks for gold at the bottom. Why? A. gold is very dense and sinks B. gold dissolves in water and is carried there C. gold is hard to find because it can “hide” D. gold is repelled by other Earth materials

7. Gab Bag $300 Which answer below best describes the future of models of Earth’s structure? A. Models will probably stay the same because scientists have learned all there is to know about the structure of Earth. B. Models will probably stay the same because scientists don’t like to create new models. C. Models will probably change because scientists like to change things. D. Models will probably change because new technology will provide better information about the structure of Earth.

8. Gab Bag $400 If you went to a medical clinic to find out your body volume, how would they do this? A. With a tape measure, they would measure your arms, stomach and thighs. B. They would have you stand on scales and read your weight. C. They would put you in a tank to determine how much water you displace. D. Have you keep a monthly record of increase or decrease in your clothes sizes.

9. Gab Bag $500 Knowing that antifreeze is less dense that water, how could you use this fact to find out if your family car had any antifreeze in the radiator? A. Drain some radiator liquid and record its temperature to see if it is cooler than water. B. Drain some radiator liquid and pour it on iron to see if the iron rusts faster than without the liquid. C. Drain some radiator liquid, smell it, and compare the smell to oil. D. Drain some radiator liquid and compare its weight to the weight of the same amount of water.

10. Gab Bag $100-Answer A. Science can be used by many people, not just scientists

11. Gab Bag $200-Answer A. gold is very dense and sinks

12. Gab Bag $300-Answer D. Models will probably change because new technology will provide better information about the structure of Earth.

13. Gab Bag $400-Answer C. They would put you in a tank to determine how much water you displace.

14. Gab Bag $500-Answer D. Drain some radiator liquid and compare its weight to the weight of the same amount of water

15. Density $100 What would you use to determine the mass of an object? A. Meter stick B. Graduated cylinder C. Scale in pounds D. Triple beam balance

16. Density $200 A liquid is found to have a volume of 75 mL in a graduated cylinder. When placed on a balance, the liquid and graduated cylinder have a mass of 125 g. The empty graduated cylinder has a mass of 50 g. What is the density of the liquid? A. 0.1 g/mL B. 1.0 g/mL C. 2.2 g/mL D.22.0 g/mL

17. Density $300 Which is the correct formula for density? A. Mass divided by Volume B. Mass times weight C. Volume divided by mass D. Volume times mass

18. Density $400 Why does ice float on water? A. it is colder than water B. it is less dense than water C. it is harder than water D. it is lighter than water

19. Density $500 A student has two objects. Object 1 has a mass of 10 g and a volume of 5 cm 3. Object 2 has a mass of 100 g and a volume of 200 cm 3. If both objects are placed in water, which will float and why? A. Object 2 will float because it is less dense than water B. Object 2 will float because it has more mass than object 1 C. Object 1 will float because it is less dense than object 2 D. Object 1 will float because it has less mass than object 2

20. Density $100-Answer D. Triple beam balance

21. Density $200-Answer B. 1.0 g/mL

22. Density $300-Answer A. Mass divided by Volume

23. Density $400-Answer B. it is less dense than water

24. Density $500-Answer A. Object 2 will float because it is less dense than water

25. Particle Density and Size $100 When mixed, what would be the order of the substances starting from the bottom and going up? A. rock, aluminum, plastic, water, oil B. rock, aluminum, water, plastic, oil C. rock, plastic, oil, water, aluminum D. rock, oil, aluminum, plastic, water

26. Particle Density and Size $200 Gold panning separates gold flakes from stream gravel by shaking the mixture in a pan and scraping the gravel layers off. Why are the tiny gold particles found on the bottom on the pan? A. They are larger than the gravel B. They are denser than the gravel C. They are brighter in color than the gravel D. They are harder to find than the gravel

27. Particle Density and Size $300 In winter, a layer of cold air settles in the valleys and warmer air is often found higher in the mountains. What might account for this condition? A. There is more warm air than cold air. B. There is more cold air than warm air. C. Cold air is less dense than warm air. D. Cold air is more dense than warm air.

28. Particle Density and Size $400 A student shakes a jar with a mixture of sand types. Instead of mixing, the sand grains separate into layers. Why? A. The grains are different colors. B. The grains have different shapes. C. The grains have different densities. D. The jar has a round shape.

29. Particle Density and Size $500 How has technology helped earth scientists measure the density of various kinds of rocks? A. Lasers help see into rocks and detect the most dense ones. B. Seismic waves reflect off of more dense rocks differently than less dense rocks. C. Sonar is used to identify the density of certain metamorphic rocks. D. Simple observations allow us to determine if rocks are sedimentary, igneous or metamorphic

30. Particle Density and Size $100- Answer A. rock, aluminum, plastic, water, oil

31. Particle Density and Size $200- Answer B. They are denser than the gravel

32. Particle Density and Size $300- Answer C. Cold air is less dense than warm air.

33. Particle Density and Size $400- Answer C. The grains have different densities.

34. Particle Density and Size $500- Answer B. Seismic waves reflect off of more dense rocks differently than less dense rocks

35. Earth Structure $100 Earth’s interior is divided into layers. What are the four divisions, in order, of least dense to most dense? A. Atmosphere, Surface, interior, outside B. Crust, mantle, outer core, inner core C. Mantle, Core, Atmosphere, Center D. Nucleus, Crust, Mantle, Core

36. Earth Structure $200 Why does air float above the Earth’s surface? It is A. denser and rises B. less dense and sinks C. less dense and rises D. the same as crust

37. Earth Structure $300 You are given the following materials and their densities and then asked to construct a model of the earth consisting of a core, mantle, crust, water, and air. Based on density, which material would be the best choice to represent the core of the Earth? A. cotton B. clay C. aluminum foil D. nickel

38. Earth Structure $400 Which of the following statements best explains why earth is layered in the following order: air -> water -> crust -> core? A. Things in nature like to order themselves by color, red to the bottom and blue to the top B. Things in nature like to order themselves by density, most dense to the bottom and least dense to the top C. Things in nature like to order themselves by particle size, largest particles to the bottom and smallest particles to the top D. Things in nature like to order themselves by temperature, hottest to the bottom and coolest to the top

39. Earth Structure $500 Pat is given the following items: a rock, sand, water, and metal bar. Pat calculates the density of each object. The results are shown below. Rock = 3.2 g/mL Sand = 1.9g/mL Water = 1.0g/mL Piece of metal = 6.5g/mL Pat then puts all of the items into a jar and shakes it up. Pat lets the jar settle for 5 minutes.What would be the expected order of the items going from the top of the container to the bottom? A. rock, sand, water, metal B. metal, rock, sand, water C. water, sand, rock, metal D. sand, metal, water, rock

40. Earth Structure $100-Answer B. Crust, mantle, outer core, inner core

41. Earth Structure $200-Answer C. less dense and rises

42. Earth Structure $300-Answer D. nickel

43. Earth Structure $400-Answer B. Things in nature like to order themselves by density, most dense to the bottom and least dense to the top

44. Earth Structure $500-Answer B. metal, rock, sand, water

45. Final Jeopardy Earth Model

46. Final Jeopardy You have 1 minute to consult… You are building a model of Earth based on the density of layers. What materials would you use for each layer? Include water and atmosphere. (Hint: are they liquid, gas, solid, sticky, dense…)

47. Final Jeopardy You have 30 seconds to consult… You are building a model of Earth based on the density of layers. What materials would you use for each layer? Include water and atmosphere. (Hint: are they liquid, gas, solid, sticky, dense…)

48. Final Jeopardy You have 15 seconds to consult… You are building a model of Earth based on the density of layers. What materials would you use for each layer? Include water and atmosphere. (Hint: are they liquid, gas, solid, sticky, dense…)

49. Final Jeopardy Time Is Up You are building a model of Earth based on the density of layers. What materials would you use for each layer? Include water and atmosphere. (Hint: are they liquid, gas, solid, sticky, dense…)

50. Final Jeopardy-Answer Atmosphere - dry ice - gas Water - Water or Jell-O - liquid Crust - cookies - solid Mantle - molasses - thick plastic liquid Outer core - hot fudge - liquid Inner core - rock candy - solid

51. Jeopardy Thank you for playing another fine round of America’s favorite question and answer game.