 # TOPIC: AIM: Explain the purpose of a universal remote control. The purpose of a universal remote control is_____________________ ______________________.

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TOPIC: AIM: Explain the purpose of a universal remote control. The purpose of a universal remote control is_____________________ ______________________ ______________________ _____________ http://htwins.net/scale2/?bor dercolor=white

Systems of measurement 1. METRIC SYSTEM Used by most of the world SI = Systems International

2. ENGLISH SYSTEM Only used in the U.S. inch, foot, yard, pound

SI Units

What is a unit? A known amount of measurement Yard, mile, meter, pound, gram, liter

Types of Units 1. METER (m) Metric unit of measure for length.

1 meter = 100 centimeters (cm)

1 mm = width of a dime

1 kilometer (km) = 1000meters

2. GRAM (g or gm) Metric unit of measure for mass

1 kilogram (kg) = 1000gm

3. Liter (L) Metric unit of measure for volume

1000 milliliters (mL) = 1 Liter

PREFIX Comes before the unit Changes the value of the word

Kilo- Hecto- Deka- Meter- deci- centi- milli- Kangaroos Hop Down Mountains Drinking Chocolate Milk Liter or Gram

1 kilometer (Km) = 1000m 1 kilogram (Kg) = 1000 gm 1 kiloliter (KL) = 1000 L Kilo = x 1000

1 centimeter (cm) =.01 m 1 centigram (cg) =.01g 1centiliter (cL) =.01L Centi = 0.01

Milli = 0.001 (m) 1 millimeter =.001m 1milliliter =.001L 1milligram =.001g

CONVERSIONS EXAMPLES 1. 100 mm = ? cm 100 mm = 10cm Move 1 to the left 2. 34 km = ? m Move 3 to the right 34 km = 34,000 m 3. 257 cm = ? hm Move 4 to the left 257 cm = 0.0257 hm

1cm = 10 millimeters 1m = 1000 millimeters

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