1. English vs. Metric System Chapter 1 Biology

2. Origins of the English System King Henry of England defined the yard as the distance between the tip of his nose to his thumb King Henry of England defined the yard as the distance between the tip of his nose to his thumb

3. Inch: width of a thumb (or 3 barleycorns in England 1066) Inch: width of a thumb (or 3 barleycorns in England 1066)

4. The Foot: The length of the king’s foot The Foot: The length of the king’s foot Yard, length of his arm Yard, length of his arm When that king dies? When that king dies?

5. Mile: Romans- 1000 double steps of their marching legions Mile: Romans- 1000 double steps of their marching legions Acre: By the English as the amount of land that a yoke of an oxen could plow in one day Acre: By the English as the amount of land that a yoke of an oxen could plow in one day Gallon= 8 pounds of wheat Gallon= 8 pounds of wheat

6. Metric System First version of it was by the French Academy of Science in 1790 AD First version of it was by the French Academy of Science in 1790 AD French People had to adopt it by 1840 French People had to adopt it by 1840 Based on physics like the “circumference of the Earth”. Based on physics like the “circumference of the Earth”.

7. Metric System History In 1960 an International Group of scientists, revised the French metric System calling is “The International System of Units”. In 1960 an International Group of scientists, revised the French metric System calling is “The International System of Units”. Now it is used all over the world. 1957, our military used it, and by 1992 Congress required all federal agencies to use it. Now it is used all over the world. 1957, our military used it, and by 1992 Congress required all federal agencies to use it.

8. USA USA Myanmar (Burma) Myanmar (Burma) Liberia Liberia Great Britain adopted metric in 1965 Great Britain adopted metric in 1965

9. English Units Weight: ounce, pounds Weight: ounce, pounds Distance: inch, foot, yard, mile Distance: inch, foot, yard, mile Volume: teaspoon, tablespoon, ounce, cup pint, quart, gallon, Volume: teaspoon, tablespoon, ounce, cup pint, quart, gallon,

10. Metric Units Weight: grams, kilograms Weight: grams, kilograms Distance: centimeter, meter Distance: centimeter, meter Volume: liter, milliliter Volume: liter, milliliter

11. English Conversions 12 inches= 1 foot 12 inches= 1 foot 3 feet = 1 yard 3 feet = 1 yard 5280 feet in a mile 5280 feet in a mile

12. Converting from Eng to Metric Distance: Distance: Inches to Centimeters OR Yards to meters OR Miles to Kilometers Inches to Centimeters OR Yards to meters OR Miles to Kilometers Liquid Volume: Liquid Volume: Fluid Ounces to milli-Liters OR Gallons to Liters Fluid Ounces to milli-Liters OR Gallons to Liters Weight: Weight: Ounces to grams OR pounds to Kilograms Ounces to grams OR pounds to Kilograms

13. Worksheets English or Metric? English or Metric? Measuring Length… Measuring Length…