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Introduction to Matter and the Metric System 7 th  Grade Physical Science  Mr. Riordan
What is Matter? <ul><li>Matter is all things that we can see, touch, and smell in our daily lives.  </li></ul>
<ul><li>Matter is what the universe is made of </li></ul>
<ul><li>We are made of matter </li></ul>
<ul><li>Matter has  properties. </li></ul><ul><li>A property is a  characteristic  of something that helps identify it, an...
Properties of Matter <ul><li>There are some properties of matter.  </li></ul><ul><li>These properties are  mass, weight, v...
MASS <ul><li>Mass is the  amount of matter in an object . </li></ul><ul><li>Mass is  constant </li></ul>
<ul><li>It cannot be changed unless you  add or remove matter  from an object. </li></ul>
<ul><li>The metric units that are used to express mass are the  gram (g),   milligram (mg) , and the  kilogram (kg). </li>...
<ul><li>The  amount of space  an object takes up or occupies is called its volume. </li></ul>
<ul><li>The metric units that are used to express volume are the  liter (L),   milliliter (mL) , and the  cubic centimeter...
History of the Metric System <ul><li>Developed in Lyon, France, ~1670 </li></ul><ul><li>Created to make  consistent  units...
The Basic Metric Units <ul><li>Meter :  base unit for  length </li></ul><ul><li>Liter :  base unit for  volume </li></ul><...
Powers of 10 <ul><li>Prefixes   in front of the base unit tell if the measurement is  greater or less  than the base unit....
How big is a …. <ul><ul><li>Kilometer?  1000x larger then a meter </li></ul></ul><ul><ul><li>Meter?  Height of a standard ...
Metric Prefixes Kilo 1000x Larger Smaller Base Units Kilo 1000 X larger Hecto 100 X larger Deka 10 X larger (no prefix) Me...
Using a Ruler <ul><li>What is the length of the blue arrow? </li></ul>
Using a Ruler <ul><li>ALWAYS measure with the starting point at the “0” mark! </li></ul>
Kilometer - km <ul><li>1000 times larger than a meter. </li></ul><ul><li>12 blocks less than a mile. </li></ul><ul><li>Mai...
Hectameter - hm <ul><li>100x larger than a meter. </li></ul><ul><li>Height of Statue of Liberty from base to torch </li></ul>
Decameter - dam <ul><li>10 x larger than a meter </li></ul><ul><li>Length of a school bus </li></ul>
Meter - m <ul><li>Length of a meter stick. </li></ul><ul><li>Height of a counter top </li></ul>
Decimeter - dm <ul><li>10x smaller than a meter. </li></ul><ul><li>Height of a can of soda. </li></ul>
Centimeter - cm <ul><li>100x smaller than a meter </li></ul><ul><li>½ width of a dime </li></ul>
Millimeter - mm <ul><li>1000x smaller than a meter </li></ul><ul><li>The thickness of a dime </li></ul>
Micrometer - um <ul><li>1,000,000x smaller than a meter. </li></ul><ul><li>diameter of a bacteria cell </li></ul>
Nanometer - nm <ul><li>1,000,000,000x smaller than a meter. </li></ul><ul><li>Thickness of a DNA molecule. </li></ul>
Kilogram - kg <ul><li>1000x heavier than a gram </li></ul><ul><li>Mass of a liter of orange juice. </li></ul>
Hectogram - hg <ul><li>100x heavier than a gram. </li></ul><ul><li>Mass of a stick of butter. </li></ul>
Decagram - dkg <ul><li>10 x heavier than a gram </li></ul><ul><li>Mass of 2 nickels </li></ul>
Gram - g <ul><li>Mass of a paper clip </li></ul>
Decigram - dg <ul><li>10 x lighter than a gram. </li></ul><ul><li>Mass of 10 grains of salt </li></ul>
Centigram - cg <ul><li>100x lighter than a gram. </li></ul><ul><li>Mass of a single grain of salt. </li></ul>
Milligram - mg <ul><li>1,000x lighter than a gram. </li></ul><ul><li>Mass of a mosquito </li></ul>
Microgram - ug <ul><li>1,000,000x lighter than a gram </li></ul><ul><li>Mass of a flour particle </li></ul>
Nanogram - ng <ul><li>1,000,000,000x lighter than a gram </li></ul><ul><li>Mass of a human cell. </li></ul>
Kiloliter - kL <ul><li>1000x larger than a liter </li></ul><ul><li>Volume of a fridge </li></ul><ul><li>1,000,000  cm 3 </...
Hectoliter - hL <ul><li>100x larger than a liter. </li></ul><ul><li>100,000 cm 3 </li></ul><ul><li>Volume of two kitchen t...
Decaliter - dkL <ul><li>10 x larger than a liter. </li></ul><ul><li>10,000  cm 3 </li></ul><ul><li>Volume of 3 gallons of ...
Liter - L <ul><li>100  cm 3 </li></ul><ul><li>Volume of 3 cans of soda </li></ul>
Deciliter - dL <ul><li>10x smaller than a liter. </li></ul><ul><li>100  cm 3 </li></ul><ul><li>Volume of a dixie cup </li>...
Centiliter - cL <ul><li>100x smaller than a liter </li></ul><ul><li>10  cm 3 </li></ul><ul><li>2 tablespoons of liquid </l...
Milliliter - mL <ul><li>1000x smaller than a liter </li></ul><ul><li>1  cm 3 </li></ul><ul><li>Volume of a cube of sugar <...
Microliter - uL <ul><li>1,000,000x smaller than a liter </li></ul><ul><li>0.001  cm 3 </li></ul><ul><li>Crystal of table s...
nanoLiter - nL <ul><li>1,000,000,000x smaller than a liter. </li></ul><ul><li>0.000001  cm 3 </li></ul>
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Transcript of "Metric System"

  1. 1. Introduction to Matter and the Metric System 7 th Grade Physical Science Mr. Riordan
  2. 2. What is Matter? <ul><li>Matter is all things that we can see, touch, and smell in our daily lives. </li></ul>
  3. 3. <ul><li>Matter is what the universe is made of </li></ul>
  4. 4. <ul><li>We are made of matter </li></ul>
  5. 5. <ul><li>Matter has properties. </li></ul><ul><li>A property is a characteristic of something that helps identify it, and which makes it unique. </li></ul><ul><li>Properties describe an object . </li></ul>
  6. 6. Properties of Matter <ul><li>There are some properties of matter. </li></ul><ul><li>These properties are mass, weight, volume, and density . </li></ul><ul><li>Our working definition of matter is any substance that has mass and volume </li></ul>
  7. 7. MASS <ul><li>Mass is the amount of matter in an object . </li></ul><ul><li>Mass is constant </li></ul>
  8. 8. <ul><li>It cannot be changed unless you add or remove matter from an object. </li></ul>
  9. 9. <ul><li>The metric units that are used to express mass are the gram (g), milligram (mg) , and the kilogram (kg). </li></ul>
  10. 10. <ul><li>The amount of space an object takes up or occupies is called its volume. </li></ul>
  11. 11. <ul><li>The metric units that are used to express volume are the liter (L), milliliter (mL) , and the cubic centimeter (cm 3 ). </li></ul><ul><li>Liters and milliliters are used to measure the volume of liquids . </li></ul><ul><li>Cubic centimeters are used to measure the volume of solids . </li></ul>
  12. 12. History of the Metric System <ul><li>Developed in Lyon, France, ~1670 </li></ul><ul><li>Created to make consistent units for measurement </li></ul><ul><li>Based on “powers of 10” …what does this mean? </li></ul>
  13. 13. The Basic Metric Units <ul><li>Meter : base unit for length </li></ul><ul><li>Liter : base unit for volume </li></ul><ul><li>Gram : base unit for mass </li></ul>
  14. 14. Powers of 10 <ul><li>Prefixes in front of the base unit tell if the measurement is greater or less than the base unit. </li></ul><ul><li>Each prefix is a factor of ten . </li></ul><ul><li>This makes it easy to convert between units. </li></ul>
  15. 15. How big is a …. <ul><ul><li>Kilometer? 1000x larger then a meter </li></ul></ul><ul><ul><li>Meter? Height of a standard countertop </li></ul></ul><ul><ul><li>Centimeter? 100x smaller then a meter, the width of a dime </li></ul></ul><ul><ul><li>Millimeter? 1000x smaller then a meter, the thickness of a dime </li></ul></ul>
  16. 16. Metric Prefixes Kilo 1000x Larger Smaller Base Units Kilo 1000 X larger Hecto 100 X larger Deka 10 X larger (no prefix) Meter Liter Gram Deci One Tenth 1/10 Centi One Hundreth 1/100 Milli One Thousanth 1/1000
  17. 17. Using a Ruler <ul><li>What is the length of the blue arrow? </li></ul>
  18. 18. Using a Ruler <ul><li>ALWAYS measure with the starting point at the “0” mark! </li></ul>
  19. 19. Kilometer - km <ul><li>1000 times larger than a meter. </li></ul><ul><li>12 blocks less than a mile. </li></ul><ul><li>Main span of GW bridge </li></ul>
  20. 20. Hectameter - hm <ul><li>100x larger than a meter. </li></ul><ul><li>Height of Statue of Liberty from base to torch </li></ul>
  21. 21. Decameter - dam <ul><li>10 x larger than a meter </li></ul><ul><li>Length of a school bus </li></ul>
  22. 22. Meter - m <ul><li>Length of a meter stick. </li></ul><ul><li>Height of a counter top </li></ul>
  23. 23. Decimeter - dm <ul><li>10x smaller than a meter. </li></ul><ul><li>Height of a can of soda. </li></ul>
  24. 24. Centimeter - cm <ul><li>100x smaller than a meter </li></ul><ul><li>½ width of a dime </li></ul>
  25. 25. Millimeter - mm <ul><li>1000x smaller than a meter </li></ul><ul><li>The thickness of a dime </li></ul>
  26. 26. Micrometer - um <ul><li>1,000,000x smaller than a meter. </li></ul><ul><li>diameter of a bacteria cell </li></ul>
  27. 27. Nanometer - nm <ul><li>1,000,000,000x smaller than a meter. </li></ul><ul><li>Thickness of a DNA molecule. </li></ul>
  28. 28. Kilogram - kg <ul><li>1000x heavier than a gram </li></ul><ul><li>Mass of a liter of orange juice. </li></ul>
  29. 29. Hectogram - hg <ul><li>100x heavier than a gram. </li></ul><ul><li>Mass of a stick of butter. </li></ul>
  30. 30. Decagram - dkg <ul><li>10 x heavier than a gram </li></ul><ul><li>Mass of 2 nickels </li></ul>
  31. 31. Gram - g <ul><li>Mass of a paper clip </li></ul>
  32. 32. Decigram - dg <ul><li>10 x lighter than a gram. </li></ul><ul><li>Mass of 10 grains of salt </li></ul>
  33. 33. Centigram - cg <ul><li>100x lighter than a gram. </li></ul><ul><li>Mass of a single grain of salt. </li></ul>
  34. 34. Milligram - mg <ul><li>1,000x lighter than a gram. </li></ul><ul><li>Mass of a mosquito </li></ul>
  35. 35. Microgram - ug <ul><li>1,000,000x lighter than a gram </li></ul><ul><li>Mass of a flour particle </li></ul>
  36. 36. Nanogram - ng <ul><li>1,000,000,000x lighter than a gram </li></ul><ul><li>Mass of a human cell. </li></ul>
  37. 37. Kiloliter - kL <ul><li>1000x larger than a liter </li></ul><ul><li>Volume of a fridge </li></ul><ul><li>1,000,000 cm 3 </li></ul>
  38. 38. Hectoliter - hL <ul><li>100x larger than a liter. </li></ul><ul><li>100,000 cm 3 </li></ul><ul><li>Volume of two kitchen trashcans </li></ul>
  39. 39. Decaliter - dkL <ul><li>10 x larger than a liter. </li></ul><ul><li>10,000 cm 3 </li></ul><ul><li>Volume of 3 gallons of milk </li></ul>
  40. 40. Liter - L <ul><li>100 cm 3 </li></ul><ul><li>Volume of 3 cans of soda </li></ul>
  41. 41. Deciliter - dL <ul><li>10x smaller than a liter. </li></ul><ul><li>100 cm 3 </li></ul><ul><li>Volume of a dixie cup </li></ul>
  42. 42. Centiliter - cL <ul><li>100x smaller than a liter </li></ul><ul><li>10 cm 3 </li></ul><ul><li>2 tablespoons of liquid </li></ul>
  43. 43. Milliliter - mL <ul><li>1000x smaller than a liter </li></ul><ul><li>1 cm 3 </li></ul><ul><li>Volume of a cube of sugar </li></ul>
  44. 44. Microliter - uL <ul><li>1,000,000x smaller than a liter </li></ul><ul><li>0.001 cm 3 </li></ul><ul><li>Crystal of table salt </li></ul>
  45. 45. nanoLiter - nL <ul><li>1,000,000,000x smaller than a liter. </li></ul><ul><li>0.000001 cm 3 </li></ul>
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