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8-R Common Unit of Measurement 1/1/2014 Questions Note s Big Idea: What are the units of measurement commonly used in science? What is MASS? Definition:

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Presentation on theme: "8-R Common Unit of Measurement 1/1/2014 Questions Note s Big Idea: What are the units of measurement commonly used in science? What is MASS? Definition:"— Presentation transcript:

1 8-R Common Unit of Measurement 1/1/2014 Questions Note s Big Idea: What are the units of measurement commonly used in science? What is MASS? Definition: The amount of matter (stuff) in an object NOT WEIGHT Tool used to measure: Triple Beam Balance

2 8-L 1/1/2014 MassWeight The SI unit of Mass is KilogramThe SI unit of Weight is Newton Mass is the amount of matter present in a body and is an intrinsic property of the body. Mass of an object remains the same always at any place. Weight is a measure of how strongly gravity pulls on that matter. Mass is measured using a pan balance, a triple-beam balance, lever balance or electronic balance. Weight is measured using a spring balance

3 8-R (cont.) 1/1/2014 Questions Note s Units and Interesting Facts: 1 kilogram = 2.2 lbs 1 kilogram = 1000 grams (a small cantaloupe) 1 gram (a paper clip) 1000 milligram = 1 gram 1 mg (a grain of sand)

4 8-L (cont.) 1/1/2014 KILO 1000 Units HECTO 100 Units DEKA 10 Units DECI 1/10 Unit CENTI 1/100 Unit MILLI 1/1000 Unit Meter Gram Liter

5 8-R (cont.) 1/1/2014 Questions Note s What is LEGNTH ? Definition: The distance between 2 points Tool/s used to measure: Ruler Meter Stick Units and Interesting Facts: 1 mile = 1.6 km 1 kilometer = 1000 meters 1 meter (about 3 ft) 100 centimeter = 1 meter 1cm (about width of pinky) 1000 millimeter = 1 meter 1mm (about thickness of thumb nail)

6 8-L 1/1/2014 1)2000 mm = ____ m 2)5 m = ____ mm 3)16 cm =___ mm 4)104 km = ____ m 5)198 m = _____ km 6)2500 m = ____km 7)480 cm = _____ m 8)75 mm = _____ m 9)65 m = _____ mm 10)5.6 km = _____ m 11)50 cm = _____ m 12)6.3 cm = ____ mm 13)8 mm = _____ cm 14)5.6 m = _____ cm 15)120 mm = ____ m Try these conversions, using the ladder method.

7 8-R (cont.) 1/1/2014 Questions Note s Definition: The amount of space an object takes up Tool/s used to measure: Ruler (l x w x h) Graduated cylinder Units and Interesting Facts: 1 liter (liter bottle of soda) 1000 milliliter = 1 liter (1mL = 2 drops) What is VOLUME ?

8 8-L (cont.) 1/1/2014 The curve of the top surface of water in a graduated cylinder is called _________. MENISC US

9 8-R (cont.) 1/1/2014 Questions Note s Definition: The amount of movement of molecules (how hot) Tool/s used to measure: Thermometer Units and Interesting Facts: 100° C = water boils 37° C (98.6° F) = ave. body temp 0°C (22°F) = water freezes What is TEMPERA TURE?

10 8-L 1/1/2014

11 8-R (cont.) 1/1/2014 Questions Note s Definition: The continuum of experience in which events pass from past, present and to the future Tool/s used to measure: Stop watch Units and Interesting Facts: Seconds you know this already What is TIME?

12 8-L 1/1/2014 1)Kilogram _____ 2)Milliliter _____ 3)Kilometer _____ 4)Meter _____ 5)Millimeter _____ 6)Centimeter _____ 7)Gram _____ 8)Liter _____ 9)Milligram _____ Write the correct abbreviation for each metric unit.

13 7-R 1/1/2014 Questions Note s What is DENSITY ? Definition: The measure of how much mass is contained in a given volume. Units and Interesting Facts: kg/m 3 g/cm 3 g/mL Density of water = 1 g/cm 3 = 1 g/mL

14 8-L 1/1/2014 Summary: *Make sure you address all three essential questions: 1.What are the units of measurement commonly used in science? 2.How important is to have a standard of measurement? 3.How are values transposed from one unit to the other?


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