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Second 6 th Weeks Review

Second 6 th Weeks Review. 6 th grade Science. 1. How many elements are represented? CO2 . How many elements are represented? CO2 2. 2. What is Mercury?. What is Mercury ? Element. 3. How many elements are represented? H2O. 3. How many elements are represented? H2O 2.

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Second 6 th Weeks Review

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  1. Second 6th Weeks Review 6th grade Science

  2. 1. How many elements are represented? CO2

  3. How many elements are represented? CO2 • 2

  4. 2. What is Mercury?

  5. What is Mercury? • Element

  6. 3. How many elements are represented? H2O

  7. 3. How many elements are represented? H2O • 2

  8. 4. What is Potassium’s chemical symbol?

  9. 4. What is Potassium’s chemical symbol? • K

  10. 5. What element is used in the ocean, life, and atmosphere?

  11. 5. What element is used in the ocean, life, and atmosphere? • Oxygen

  12. 6. How many elements are in: H O C K Cl

  13. 6. How many elements are in: H O C K Cl • 5

  14. 7. What is an example of a pure element.

  15. 7. What is an example of a pure element? • Oxygen

  16. 8. What is found mostly in the atmosphere?

  17. 8. What is found mostly in the atmosphere? • Nitrogen

  18. 9. How much of the atmosphere does Oxygen fill?

  19. 9. How much of the atmosphere does Oxygen fill? • 21%

  20. 10. What does abundant mean?

  21. 10. What does abundant mean? • Abundant means to exist in large quantities. Plentiful

  22. 11. What is a compound?

  23. 11. What is a compound? • Consisting of two or more elements

  24. 12. What is the following? FeCl

  25. 12. What is the following? FeCl • Compound

  26. 13. What is a substance that cannot be changed into another substance?

  27. 13. What is a substance that cannot be changed into another substance? • Element

  28. 14. What is a chemical change?

  29. 14. What is a chemical change? • A chemical change is when the substance is changed into a new substance.

  30. 15. When baking soda and vinegar mix what gives away the chemical change has occurred?

  31. 15. When baking soda and vinegar mix what gives away the chemical change has occurred? • The gas bubbles that form

  32. 16. What elements are found in the core of the Earth?

  33. 16. What elements are found in the core of the Earth? • Nickel and Iron

  34. 17. Give an example of Chemical Change

  35. 17. Give an example of Chemical Change • A match lighting

  36. 18. What kind of change is burning paper?

  37. 18. What kind of change is burning paper? • Chemical Change

  38. 19. If a solution dissolves into another solution and changes the color. What is the change called?

  39. 19. If a solution dissolves into another solution and changes the color. What is the change called? • Physical Change

  40. 20. If a solution turns into gas bubbles what is the change called?

  41. 20. If a solution turns into gas bubbles what is the change called? • Chemical Change

  42. 21. What elements make up the earth’s crust? What is total of these elements?

  43. 21. What elements make up the earth’s crust? What is total of these elements? • Oxygen and silicon 74.3%

  44. 22. Is NaCl a element or a compound?

  45. 22. Is NaCl a element or a compound? • Compound

  46. 23. Gas bubbles is a ___________________________

  47. 23. Gas bubbles is a _Chemical Change____________

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