SI or SYSTEM INTERNATIONAL

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Presentation transcript:

SI or SYSTEM INTERNATIONAL Metric Measurements SI or SYSTEM INTERNATIONAL

Why Use the Metric System? A. It’s easier to convert from one unit to the next Based on powers of 10 B. Most of the world uses it

Mass How much matter is in an object Similar to weight (downward force due to gravity) Measured in grams using a balance

Length How FAR or LONG Measured in meters using a ruler Or cm or mm

Volume How much SPACE an object takes up A. Measured in LITERS for liquids using a graduated cylinder B. Measured in CUBIC CENTIMETERS (CC’S) FOR RECTANGLES V = L X W X H C. Use water displacement for irregular shaped objects Measure the change in water level when object is added 1 CUBIC CEMTIMETER = 1 MILLILITER = 1 GRAM OF WATER

Temperature HOW FAST particles vibrate Measured in degrees Celsius Internal kinetic energy Measured in degrees Celsius

Density How close particles are packed together How heavy for it’s size Density = Mass/Volume grams/milliliters Measured in grams/liter or grams/milliliter

Water Density Every gram of water takes up one milliliter of space at room temperature so water has a density of 1 gram/milliliter Objects with a density GREATER than that SINK! Objects with a density LESS than that FLOAT!