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Final Exam Review 2015

Chemistry

1. Draw a Bohr diagram of the element Boron. Label the subatomic particles (protons, neutrons, electrons, valence electrons).

2. Which two particles are used to determine an atom’s mass?

3. Shade in location of the metals, non-metals, and metalloids located on the periodic table?

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4. What can you predict about an element based on where it is on the periodic table?

5. What are columns on the periodic table that have similar chemical and physical properties called?

6. What are the horizontal rows on the periodic table called?

7. How many atoms of each element are in the compound, 2Fe2O3?

8. What are the five indicators that a substance has gone through a chemical change?

9. What is the Law of Conservation of Mass?

10. What happens in a chemical reaction?

11. Balance the following equation.

__C2H6 + ___O2 ___CO2 + ___H2O

12. List the element(s) involved in the chemical reaction above?

13. List the compound(s) involved in the chemical reaction above?

Force and Motion

14. What is the difference between balanced and unbalanced forces?

15. What is the net force acting on the object below? In which direction will the object move?

16. How does friction affect an object’s motion?

17. Newton’s Laws

|Newton’s Law of Motion |Description |Formula/Example |

|First Law of Motion | | |

| | | |

| | | |

|2nd Law of Motion | | |

| | | |

| | | |

|3rd Law of Motion | | |

| | | |

| | | |

18. Hannah uses a force of 60N to move a 30 kg bag of equipment. What is the acceleration of the bag? Show your work!

19. Mandy’s balloon car travels at a speed of 20 m/s for 10s. What is the distance that the balloon car traveled? Show your work!

20. Create a distance vs. time graph that shows constant motion.

21. Create a distance vs. time graph that shows an object at rest.

Cyclical Movements of the Sun, Earth, and Moon

22. What causes day and night?

23. Why does the Earth have seasons?

24. Label the seasons that the Northern Hemisphere would experience on the diagram below.

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25. Draw and label the moon phase we would see at each of the positions on the diagram?

|1 - | |

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|2 - | |

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|3 - | |

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|4 - | |

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26. If you see a full moon tonight how much time will pass before you see the next full moon?

27. What is a Spring tide? Draw the positions of the Earth, Moon, and Sun.

28. What is a Neap tide? Draw the positions of the Earth, Moon, and Sun.

Stars and the Electromagnetic Spectrum

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29. What color of stars has the highest surface temperature?____________

30. What color of stars has the lowest surface temperature? ______________

31. Which type of stars represents most of the stars on the diagram? ____________

32. What is the general relationship between the surface temperature and brightness of a Main Sequence star? _____________________________________________

33. What type of star is our sun?

[pic]

34. In the diagram above, which letter represents the amplitude of the wave? ______

35. In the diagram above, which letter represents the wavelength of the wave? _____

36. Label the galaxies in the pictures below.

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________ _________ _________ _______

37. What determines a star’s life cycle?

38. What is a light year?

39. What are the general characteristics of the sun?

40. What two pieces of evidence are used to support the big bang theory? Explain each one.

Red Shift –

Cosmic Microwave Background Radiation –

Earth’s Changing Surface

41. What 3 pieces of evidence did Wegener use to prove his theory of Continental Drift?

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42. Why didn’t geologists accept Wegener’s theory of Continental Drift?

43. What provides the force that moves tectonic plates?

44. Fill in the Plate Boundaries chart below:

|Type of Boundary |Crustal Formation |Example |

|Convergent |Oceanic – Oceanic |Aleutian Islands |

| | | |

| | | |

| |Volcanic Islands | |

| |Oceanic - Continental |Andes Mountains |

| | | |

| | | |

| |Volcanic Mountains | |

| |Continental – Continental |Himalayan Mountains |

| |Folded Mountains | |

| |Rift Valleys |Mid-Atlantic Ridge |

|Divergent | | |

| | | |

| | |San Andreas Fault |

|Transform | | |

Role of Oceans and Weather

45. Why does convection take place?

46. What is the original source of energy that heats air and causes wind?

47. What are the conditions associated with a low pressure system?

48. What are the conditions associated with a high pressure system?

49. Fill in the chart for fronts:

|Type of Front |Description |Weather before the front |Weather after the front |Picture |

|Cold | | | | |

| | | | | |

| | | | | |

|Warm | | | | |

| | | | | |

| | | | | |

50. How do the oceans affect the global climate?

Ecology

51. Identify the organisms that occupy the different trophic levels in the food web.

|Producers | |

|Consumers | |

| | |

| | |

|Herbivores | |

|Carnivores | |

|Omnivores | |

52. Give two example of predation in the food web above.

Predator __________ Prey ____________

Predator __________ Prey ____________

53. Give two examples of competition in the food web above.

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54. Define and give an example of each type of symbiotic relationship listed below:

|Relationship |Definition |Example |Effect |

|Commensalism | |Shark and Remora |t __ |

|Mutualism | |Sea Anemone and Clown Fish |t __ |

|Parasitism | |Tapeworm and a human |t __ |

55. What is natural selection?

56. How does the environment “select” organisms?

57. How are the finch beaks on the Galapagos islands an example of an adaptation?

Oceans

58. How are humans dependent on the oceans?

59. What are some critical issues facing the oceans?

60. What are some affects that solid waste can have on ocean organisms?

61. What are some ways you can help protect the oceans?

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