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Published byMeryl Henry Modified over 6 years ago

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Measuring Objective: At the end of this lesson students will understand and be familiar with basic scientific units of measure.

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Using a Metric Ruler In science a metric ruler is used. The units on a metric ruler are called centimeters (cm) and millimeters (mm).

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The Marks on a Ruler Each of the long marks on a metric ruler represents one centimeter (cm). Each of the short marks on a metric ruler represents one millimeter (mm). There are 10 small marks or millimeters (mm) in every centimeter (cm).

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How long are the following lines in millimeters and centimeters? 0.8 8 1.1 11 0.4 4

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Liquid Measure Scientists use liters (L) and milliliters (mL) to measure liquids. 1000 mL is equal to 1 L

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Taking Accurate Liquid Measurements When measuring a liquid you must measure at the base of the meniscus.

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Dry Measure Scientists measure dry material in grams (g) and milligrams (mg). 1000 mg is equal to 1g

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Temperature Scientists use the Celsius or Kelvin scale to measure temperature.

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