name chemistry period september 12 2012 lesson 1 5
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Name________ Chemistry Period_ September 12, 2012 Lesson 1.5

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Name________ Chemistry Period_ September 12, 2012 Lesson 1.5. Aim: How can we solve conversion problems in the metric system?. Do Now;. Task #1.

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name chemistry period september 12 2012 lesson 1 5
Name________ Chemistry Period_September 12, 2012 Lesson 1.5

Aim: How can we solve conversion problems in the metric system?

task 1
Task #1

The Empire State Building is 1,472 feet tall. It is a tourist attraction that brings visitors from all over the world. Most of the world does not think of distances in feet. Distances are measured throughout the world in meters. In order to make sense to our visitors, we need to express the height of the Empire State Building in meters too. The task, though daunting, is possible because there are definitions that relate all these measurements.

slide6

2. Every definition can be turned into two conversion factors with a numerical value of one.

1 foot or 12 inches

12 inches 1 foot

slide7

Multiplying by a factor equal to one does notchange the value, but selecting the correct factor causes units to cancel giving the desired result.

Feet cancels, followed by inches, and then centimeters resulting in meters..

exit slip
Exit Slip

How many feet are in 32 kilometers?

  • 1 kilometer = 0.6214 miles
  • 1 mile = 5,280 feet
extra credit
Extra Credit
  • Water has a density of 1 g/mL. This means, for water, 1 g = 1 mL. 1 kg = 1,000 g. Find the following:
    • the number of milliters (mL) in 1.6 kg of water
    • the number of kilograms (kg) in 75 mL of water
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