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Published byClement Moore Modified over 4 years ago

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The Tools of Physical Science

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Objectives Today we will learn –About graduated cylinders –About triple beam balances –About the three temperature scales –The definition of mass, volume and temperature.

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Daily Deep Thought Why are there flotation devices under airplane seats instead of parachutes?

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Tools for Measuring Volume

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The Graduated Cylinder Volume: A measure of the amount of 3 dimensional space an object occupies. Base Metric Unit = Liters An object dropped into a cylinder will displace an amount of water equal to its volume!

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Using a Graduated Cylinder Meniscus Always measure to the meniscus 40 ml

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So, 3 cm x 3 cm x 3 cm = 27 cm 3

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Demo: Which has more water?? If 1000 ml = 1000 cm 3 Then 1 ml = 1 cm 3

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Beakers

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Flasks Erlenmeyer Round Bottom

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Tools for finding mass

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The Triple Beam Balance Mass: The amount of matter in an object Base Unit = Grams

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Tools for Measuring Length

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The Meter Stick

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The Thermometer Temperature: A measure of the energy in an object. How hot or cold something is! Units = Degrees Celsius

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Other Tools Spring Scale Measures Force of Gravity Units = Newtons Stopwatch Measures time Units = Seconds

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Knowledge Check Which tool is used to find Volume? A. Triple Beam Balance B. Graduated Cylinder C. Thermometer D. Meter Stick

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Define Mass: The amount of matter in an object

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Define Volume: The amount of 3 dimensional space an object occupies

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What unit of measure do we use to express volume? Liter

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What unit of measure do we use to express mass? Gram

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The cubic centimeter (cm 3 ) is the same as what measure of volume? The Milliliter (ml)

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According to the Celcius scale, at what temperature does water boil? 100 o c

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What does a spring scale measure? Force exerted by earth’s gravity

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Define Temperature The amount of energy in an object.

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What is normal body temperature in degrees Celsius and Fahrenheit? 37 o c or 98.6 o F

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