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5th Grade-Ch. 11 Lesson 1 What are properties of matter


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5th Grade-Ch. 11 Lesson 1 What are properties of matter

  1. 1. Ch. 11 Lesson 1 What are properties of ?
  2. 2. elements <ul><li>basic building blocks of matter </li></ul><ul><li>combine to form all other kinds of matter </li></ul>
  3. 3. elements <ul><li>can’t be broken into smaller pieces </li></ul><ul><li>more than 100 elements </li></ul><ul><li>most are metals </li></ul>
  4. 4. physical properties of metals <ul><li>conduct heat/electricity </li></ul><ul><li>shiny </li></ul><ul><li>bendable </li></ul>
  5. 6. Each element has its own properties. shiny bendable conducts heat Gold = metal
  6. 7. properties physical chemical can be measured w/out changing the material material changes into other materials color, mass, volume rust
  7. 8. Activity-What’s in Ned’s Head? <ul><li>Some of you will be chosen to be “feelers” as we explore the contents of “Ned’s head”. </li></ul><ul><li>It will be very important that you do not tell the class what is in the box. </li></ul><ul><li>Your task is to be the “eyes”, reporting to the “brain” (the class) what you “see” (feel). </li></ul><ul><li>You may only tell the class properties, characteristics. or traits, things that describe such as texture, size, hardness , etc., of the object inside the box. </li></ul><ul><li>The duties of the class members during no discussion time are: 1. Write down all the clues you get from the feeler about the mystery object today. 2. When you have as many clues as you can get, form a hypothesis and draw what you think the mystery object looks like. </li></ul><ul><li>During class discussion time 3. Show your picture and tell what you thought the mystery object was. 4. Make adjustments to your hypothesis as the need arises during the discussion. 5. Help the class come to a consensus as to what the mystery object really was. </li></ul>
  8. 9. weight <ul><li>measure of pull of gravity on object </li></ul><ul><li>changes when pull of gravity changes </li></ul>
  9. 10. mass <ul><li>amount of matter in object </li></ul><ul><li>measured w/ balance in grams, milligrams, kilograms </li></ul>
  10. 13. volume <ul><li>amount of space that an object takes up </li></ul>
  11. 14. Volume= L x W x H
  12. 15. <ul><li>measured w/ graduated cylinder </li></ul>volume
  13. 16. How can you measure the volume of an object with an irregular shape, such as a rock? <ul><li>One way is to put the object in a graduated cylinder containing water and measure the change in the volume of the water. </li></ul><ul><li>Answer is in mL not cm 3 </li></ul>
  14. 17. density <ul><li>measure of amount of matter in given volume </li></ul><ul><li>D ensity= M ass </li></ul><ul><li>V olume </li></ul>
  15. 20. density <ul><li>If each marble has the same mass, </li></ul><ul><li>which box would weigh more? Why? </li></ul>The box that has more marbles has more mass per unit of volume.
  16. 21. Density= Mass/Volume Object Mass Length Width Height Volume science book g cm cm cm cm 3 10 pennies g cm cm cm mL block of wood g cm cm cm cm 3 pyrite g cm cm cm cm 3
  17. 22. buoyancy <ul><li>when something floats- </li></ul><ul><li>density < (less than) 1 </li></ul>
  18. 23. Pumice has a density less than water’s density.
  19. 24. Yen has a density less than water’s density.
  20. 25. Ironwood has a density greater than water’s density.
  21. 26. Activity- Dunkin for Density Canister Contents of canister Mass (g) Volume (cm3) Density (g/cm3) 1 float 2 hover 3 sink
  22. 27. Analysis and Results: <ul><li>What is the mass of an empty film canister? </li></ul><ul><li>Did the mass of the canister change at all? Explain. </li></ul><ul><li>Did the volume of the canister change at all? Explain. </li></ul><ul><li>What caused each canister to stay at their level in the water? </li></ul><ul><li>Write 2-3 sentences on what you learned. </li></ul>
  23. 28. Time to review
  24. 29. more than 100 <ul><li>How many elements are there? </li></ul>
  25. 32. How do you calculate density? <ul><li>D ensity= M ass </li></ul><ul><li>V olume </li></ul>
  26. 35. Most elements in the periodic table are __________. <ul><li>metals </li></ul>
  27. 38. mass <ul><li>amount of matter in an object </li></ul>
  28. 41. less <ul><li>When something floats, it’s density is ______ than the liquid it is floating in. </li></ul>
  29. 44. weight <ul><li>measure of the pull of gravity on an object </li></ul>
  30. 47. balance <ul><li>What tool is used to measure the mass of an object? </li></ul>