ࡱ> 02/ Gbjbj M 'HH  QQQeeee84te+$EE(mm(((x+z+z+z+z+z+z+,/z+Q(*%j(((z+`*  m +`*`*`*( m(Qx+`*(x+`*`*Q`*^'eB)`*|*+0+`*;0`*;0`*`*Q`*(((H :   Name:______________________________ Date:______________ Science Block:__________ Metric System Handout/Worksheet Background The system of measurement used today by scientists in all countries of the world is called the metric system. The metric system is a decimal system, meaning it is based on the number ten and multiples of ten, such as 100 and 1000. This handout will act as your reference to the metric system. Units Length [typical tool used = meter stick] Length is the distance from one point to another. The basic unit of length in the metric system is a meter (m). A meter is slightly longer than a yard. 1 meter (m) = 100 centimeters (cm) 1,000 meters = 1 kilometer (km) 1 meter (m) = 1,000 millimeters (mm) 1 centimeter = 10 millimeters (mm) 1 meter (m) = 1,000,000 micrometers (m) Volume [typical tool used = graduated cylinder] Volume is the amount of space an object takes up. The basic unit of volume in the metric system is a liter (l). 1 liter (l) = 1,000 milliliters (ml) = 1000 cubic centimeters (cm3) Temperature [typical tool used = thermometer] Temperature measures the average kinetic energy of the particles in a substance. Kinetic energy is the energy of motion. More energy = more particle motion = higher temperature. Likewise, less energy = less particle motion = lower temp. In the metric system, temperature is measured in degrees Celsius (C) 0 C = freezing point of water 100C = boiling point of water Mass [typical tool used = electronic balance] Mass is commonly used to describe the weight of an object. The basic unit of mass is a gram (g). 1 kilogram (kg) = 1,000 grams (g) 1,000 milligrams (mg) = 1 gram Conversions-Metric to Metric Conversion between the different units within the metric system is accomplished by using the Quick Conversion Line to move the decimal point the appropriate number of places in the appropriate direction.   How can you remember this? King Henry Died [BASE!] Drinking Chocolate Milk In-class examples: 58.9 kg = g 9,852,614 mm = km 852,614 mL = L .007621 kL = L Another method for conversion utilizes a mathematical formula:  Example: convert 152 meters in centimeters.  Solution: Practice Unit Conversions Complete the following problems (in the space provided) by showing all of your work - and by drawing a box around your final answer. 1. 3 meters into centimeters 3. 14 centimeters into millimeters 2. 10 kilometers into meters 4. 140 millimeters in centimeters 3. 15,050 milligrams into grams 4. 3,264 milliliters into liters 5. 9,674,444 grams into kilograms 6. 3.1 kilograms into milligrams 7. 5,897,159 milligrams into kilograms Conversions-Metric to English Example: convert 152 meters to yards.  Solution: In class examples: LengthVolumeMass2.54 cm=1 inch1 liter=1.06 quarts1 kilogram=2.2 pounds1 meter=3.28 feet3.79 liters=1 gallon1 meter=1.094 yards1.609 kilometer=1 mile Practice Unit Conversions Complete the following by showing all of your work - and by drawing a box around your final answer. 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