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Measurement In science, the Metric system is used. It is a universal measurement system based on multiples of 10. This makes conversions from one unit.

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Presentation on theme: "Measurement In science, the Metric system is used. It is a universal measurement system based on multiples of 10. This makes conversions from one unit."— Presentation transcript:

1 Measurement In science, the Metric system is used. It is a universal measurement system based on multiples of 10. This makes conversions from one unit to another much easier.

2 Measurement Musts Use the right basic unit Measure with the right accuracy Estimate one place ALWAYS write your units

3 METRIC M K H Dk BASE d c m u M= MegaMeterd= Deci K= KiloLiterc= Centi H=HectoGramm= Milli Dk= Dekau= Micro

4 Basic Units Volume = liters (L) Length = meters (m) Mass = grams (g)

5 Accuracy Measure using the lab equipment that gives you the most accuracy – Ex: beaker vs. graduated cylinder

6 Estimating Always estimate one place past the accuracy of a measuring device. Ex: The smallest unit on this ruler is millimeters (mm). We would measure to the millimeter, and estimate to the 1/10ths place

7 How long (cm)? 0 1 2 3 4

8 How long (cm)? 0 1 2 3 4

9 Estimate for more accuracy 0 1 2 3 4

10 How long (cm)? 0 1 2 3 4

11 How long (cm)? 0 1 2 3 4

12 Graduated Cylinders Measure to the bottom of the meniscus

13 How much? 50 40 30

14 How much? 50 * Read the bottom of the meniscus * Estimate one place 40 30

15 Conversion of Temperatures Fahrenheit to Celsius: C=(F-32)X 5/9 Celsius to Fahrenheit: F=Cx9/5+32


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