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Published byPauline Warren Modified over 5 years ago

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What is Volume? Volume- the amount of space matter takes up. 9/27/2007 1

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Volume can be measured. The volume for solids can be found by: Counting the cubic units in an object. Use a ruler and measure the length, width and height of an object. 9/27/2007 2 The rulers show the box’s measurements, which can be multiplied together to find its volume.

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Units of measure for solids Scientist use metric units when they compare and measure the volume. Some metric units to measure the volume of solids: – Cubic centimeters (cm 3 ) – Cubic meters (m 3 ) 9/27/2007 3

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Metric Place Value 1 millimeter0.001 meter 1 centimeter10 millimeters 1 decimeter10 centimeters 1 meter100 centimeters or 1,000 millimeters 1 decameter10 meters 1 hectometer100 meters 1 kilometer 1,000 meters 9/27/2007 4 The metric place value system is based on tens. Prefixes change the base unit into smaller or larger units.

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Volume of Liquids Liquids do not have a definite shape. To measure liquids you use a measuring container such as a graduated cylinder. A graduated cylinder is marked with metric units called milliliters. Some metric units to measure the volume of a liquid: – Milliliters (mL) – Liters (L) 100 milliliters = 1 liter 9/27/2007 5

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Volume of other objects A graduated cylinder can be used to find the volume of solids that sink in water. In class we found the volume of a large marble. The water level the graduated cylinder rose from 50 mL to 57 mL when the ball was added. The volume of the ball is 57 mL – 50 mL = 7 mL or 7 cm 3. 9/27/2007 6

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