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Measurement, From the bottom of the meniscus (curved line), At eye level,…
Measurement
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Volume
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To calculate the volume of a regular shape, multiply the length by the width by the height (Volume = Length x Width x Height)
Volume of a liquid
To calculate the volume of a liquid, use a graduated cylinder
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Area
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To calculate the area of a square/rectangle multiply the length by the width (Area = Length x Width)
To calculate the area of an irregular shaped object, draw the object on special graph paper
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Why we need measurement
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Measurement is used for quality control, safety, design and problem solving
Length
Length is a measure of how long an object is, or the distance between 2 points
Units of length
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Conversions
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km - m » multiply by 1,000
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- From the bottom of the meniscus (curved line)
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5hrs = 3,600s x 5 = 18,000s
1hr = 60s x 60mins = 3,600s