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Exploring Plate Tectonics and Energy Transformations in Science

This document delves into the early theory of plate tectonics, highlighting key evidence such as matching fossils between Africa and South America, ancient glacier deposits, and volcanic activity. It also covers fundamental concepts in chemistry and physics, including the valence electrons in calcium, energy transformations during combustion, and the study of plant genetics in relation to mold resistance. Additionally, it explores gravitational potential energy and chemical reactions, culminating in a comprehensive understanding of these scientific principles.

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Exploring Plate Tectonics and Energy Transformations in Science

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  1. Brain-A-Thon 2014 Science Stuff

  2. The early theory of plate tectonics - the idea that continents move and collide - was best supported by: • matching fossils found on the continents of Africa and South America • glacier deposits far from where glaciers exist today • very thick sediments at the mouths of rivers • sudden volcanic activity from dormant volcanoes

  3. The early theory of plate tectonics - the idea that continents move and collide - was best supported by: • matching fossils found on the continents of Africa and South America • glacier deposits far from where glaciers exist today • very thick sediments at the mouths of rivers • sudden volcanic activity from dormant volcanoes

  4. A neutral atom of calcium contains how many valence electrons ? • 3 • 2 • 1 • 20

  5. A neutral atom of calcium contains how many valence electrons ? • 3 • 2 • 1 • 20

  6. Which energy transformation describes the conversion involved as carbon compounds in wood are burned ? • chemical energy is converted into thermal energy • thermal energy is converted into chemical energy • potential energy is converted into chemical energy • chemical energy is converted into potential energy

  7. Which energy transformation describes the conversion involved as carbon compounds in wood are burned ? • chemical energy is converted into thermal energy • thermal energy is converted into chemical energy • potential energy is converted into chemical energy • chemical energy is converted into potential energy

  8. What is the proportion of magnesium to oxygen (Mg : O) be in this ionic compound ? • 2 : 1 • 1 : 1 • 1 : 2 • 3 : 1

  9. What is the proportion of magnesium to oxygen (Mg : O) be in this ionic compound ? • 2 : 1 • 1 : 1 • 1 : 2 • 3 : 1

  10. A driver is headed N at 50 mph with a box seated next to him. What could the driver do that would cause him to observe the box appear to slide to the west ? • apply the brakes • accelerate to 60 mph • make a turn to the east • make a turn to the west

  11. A driver is headed N at 50 mph with a box seated next to him. What could the driver do that would cause him to observe the box appear to slide to the west ? • apply the brakes • accelerate to 60 mph • make a turn to the east • make a turn to the west

  12. Which element does this model represent ? ?

  13. Oops - wrong model !

  14. Which element does this model represent ? • Argon • Xenon • Sulfur • Oxygen

  15. Which element does this model represent ? • Argon • Xenon • Sulfur • Oxygen

  16. What % of plants will be resistant to mold ? The alleles are: M = resistant to mold m = no resistance to mold The cross : MM x Mm • 0 % • 25 % • 50 % • 100 % M M M m

  17. What % of plants will be resistant to mold ? The alleles are: M = resistant to mold m = no resistance to mold The cross : MM x Mm • 0 % • 25 % • 50 % • 100 % M M M m

  18. Identify the products of the combustion reaction: CH4 + O2 • NH3 + CO • SO2 + CO2 • CS2 + O2 • H2O + CO2

  19. Identify the products of the combustion reaction: CH4 + O2 • NH3 + CO • SO2 + CO2 • CS2 + O2 • H2O + CO2

  20. Which cart has the greatest gravitational PE ? ( PE = mass * g * height ) Assume all carts and blocks are identical • 1 • 2 • 3 • 4

  21. Which cart has the greatest gravitational PE ? ( PE = mass * g * height ) Assume all carts and blocks are identical • 1 • 2 • 3 • 4

  22. Two different metal strips are placed in a solution of acid as shown. What tells us that ions are forming ? • the solution becomes less acidic and turns green • a current forms between the strips of metal • the solution emits an odor • the strip begin to corrode

  23. Two different metal strips are placed in a solution of acid as shown. What tells us that ions are forming ? • the solution becomes less acidic and turns green • a current forms between the strips of metal • the solution emits an odor • the strip begin to corrode

  24. The diagram is a x-section of the ocean floor. Where would the youngest crust be located ? • 1 • 2 • 3 • 4 1 2 3 4 3 2 1

  25. The diagram is a x-section of the ocean floor. Where would the youngest crust be located ? • 1 • 2 • 3 • 4 1 2 3 4 3 2 1

  26. The picture shows us four forces acting on this plane while in flight. What causes the force indicated by X ? • air friction • gravity • magnetism • force exerted by the engine

  27. The picture shows us four forces acting on this plane while in flight. What causes the force indicated by X ? • air friction • gravity • magnetism • force exerted by the engine

  28. These diagrams illustrate how snow forms and deposits along the southern and eastern shores of the Great Lakes. This process is known as • blizzarding • lake effect • winter fetch • temperate icing

  29. These diagrams illustrate how snow forms and deposits along the southern and eastern shores of the Great Lakes. This process is known as • blizzarding • lake effect • winter fetch • temperate icing

  30. Which structure(s) will identify this organism as a prokaryote ? • cytoplasm and ribosomes • plasmid and nucleoid • ribosomes • cell wall

  31. Which structure(s) will identify this organism as a prokaryote ? • cytoplasm and ribosomes • plasmid and nucleoid • ribosomes • cell wall

  32. The unit of energy produced by cellular processes, is stored as • CO2 • DNA • ATP • RNA

  33. The unit of energy produced by cellular processes, is stored as • CO2 • DNA • ATP • RNA

  34. A neutral atom of sulfur contains how many electrons ? • 34 • 6 • 16 • 32

  35. A neutral atom of sulfur contains how many electrons ? • 34 • 6 • 16 • 32

  36. This diagram allows us to conclude thatmonarchs and viceroys belong to the same . . . • genus • family • subfamily • species

  37. This diagram allows us to conclude thatmonarchs and viceroys belong to the same . . . • genus • family • subfamily • species

  38. Hydroelectric power is considered to be a “clean” energy source because . . . • it is available in most areas. • it increases the amount of power available. • it does not produce the pollutants that burning fossil fuels do. • it requires minimal investment in equipment

  39. Hydroelectric power is considered to be a “clean” energy source because . . . • it is available in most areas. • it increases the amount of power available. • it does not produce the pollutants that burning fossil fuels do. • it requires minimal investment in equipment

  40. What conclusion is best supported by this data ? • There is no risk of Down syndrome in children born to mothers under age 34 • The risk of Down syndrome increases dramatically in children born to mothers after age 34 • The risk of Down syndrome doubles in children born to mothers for each year over the age of 34 • There is no correlation between the number of Down syndrome births and age.

  41. What conclusion is best supported by this data ? • There is no risk of Down syndrome in children born to mothers under age 34 • The risk of Down syndrome increases dramatically in children born to mothers after age 34 • The risk of Down syndrome doubles in children born to mothers for each year over the age of 34 • There is no correlation between the number of Down syndrome births and age.

  42. Brain-A-Thon 2013 The End

  43. warm moist air rising from a large body of water snowfall Back

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