5 Learning CheckFrom the previous slide, state the tool (s) you would use to measureA. temperature ____________________B. volume ________________________________________C. time ____________________D. weight ____________________
6 SolutionFrom the previous slide, state the tool (s) you would use to measureA. temperature thermometerB. volume measuring cup, graduated cylinderC. time watchD. weight scale
7 Measurement in Chemistry In chemistry wedo experimentsmeasure quantitiesuse numbers to report measurements
8 Learning Check A. length B. volume C. weight D. temperature What are some U.S. units that are used to measure each of the following?A. lengthB. volumeC. weightD. temperature
9 Solution Some possible answers are A. length inch, foot, yard, mile B. volume cup, teaspoon, gallon, pint, quartC. weight ounce, pound (lb), tonD. temperature °F
10 Metric System (SI) Is a decimal system based on 10 Used in most of the worldUsed by scientists and hospitals
11 Units in the Metric System length meter mvolume liter Lmass gram gtemperature Celsius °C
12 In every measurement there is a Unit from measuring device Stating a MeasurementIn every measurement there is aNumberfollowed by aUnit from measuring device
13 Learning CheckWhat is the unit of measurement in each of the following examples?A. The patient’s temperature is 102°F.B. The sack holds 5 lbs of potatoes.C. It is 8 miles from your house to school.D. The bottle holds 2 L of orange soda.
14 Solution A. °F (degrees Fahrenheit) B. lbs (pounds) C. miles D. L (liters)
15 Learning Check Identify the measurement in metric units. A. John’s height is1) 1.5 yards 2) 6 feet 3) 2 metersB. The volume of saline in the IV bottle is1) 1 liters 2) 1 quart 3) 2 pintsC. The mass of a lemon is1) 12 ounces 2) 145 grams 3) 0.6 pounds
16 Solution A. John’s height is 3) 2 meters B. The volume of saline in the IV bottle is1) 1 literC. The mass of a lemon is2) 145 grams
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