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Measurement: A Common Language

Measurement: A Common Language. Measurement- A C ommon Language. Essential Question:. How is math important in science?. Explain why scientists use a standard unit of measurement. Determine the correct SI unit of measuring for various items. Explain how conversion factors are useful.

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Measurement: A Common Language

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  1. Measurement: A Common Language

  2. Measurement- A Common Language Essential Question: How is math important in science? Explain why scientists use a standard unit of measurement. Determine the correct SI unit of measuring for various items. Explain how conversion factors are useful. Objectives:

  3. Measurement- A Common Language What is the metric system? Why use the International System of Units (SI?) All over the world scientists compare data and communicate with each other about their results using the SI. A system of measurement based on the number 10.

  4. Measurement- A Common Language • The metric system is based on a base unit that corresponds to a certain kind of measurement • Length = meter • Volume = liter • Weight (Mass) = gram • Prefixes plus base units make up the metric system • Example: • Centi + meter = Centimeter • Kilo + liter = Kiloliter

  5. Measurement- A Common Language • These prefixes are based on powers of 10. What does this mean? • From each prefix every “step” is either: • 10 times larger • or • 10 times smaller • For example • Centimeters are 10 times larger than millimeters • 1 centimeter = 10 millimeters king henry died by drinking chunky milk

  6. Measurement- A Common Language • An easy way to move within the metric system is by moving the decimal point one place for each “step” desired • Example: change meters to centimeters • 1 meter = 10 decimeters = 100 centimeters • or • 1.00 meter = 10.0 decimeters = 100. centimeters

  7. Measurement- A Common Language -If you move to theleftin the diagram, move the decimal to the left -If you move to the rightin the diagram, move the decimal to the right

  8. Measurement- A Common Language -Now let’s start from centimeters and convert to kilometers 400000 centimeters = 4 kilometers 400000 centimeters = 4.00000 kilometers

  9. Measurement- A Common Language • Now let’s start from meters and convert to kilometers 4000 meters = 4 kilometers • Now let’s start from centimeters and convert to meters • 4000 centimeters = 40 meters

  10. Measurement- A Common Language -Now let’s start from meters and convert to centimeters 5 meters = 500 centimeters • -Now let’s start from kilometers and convert to meters • .3 kilometers = 300 meters

  11. Measurement- A Common Language -Now let’s start from kilometers and convert to millimeters 4 kilometers = 4000000 millimeters or 4 kilometers = 40 hectometers = 400 decameters = 4000 meters = 40000 decimeters = 400000 centimeters = 4000000 millimeters

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