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Presentation on theme: "[]"— Presentation transcript:

1 []

2 Measurements Length Size of an object. English: Foot (ft) SI: Meter (m)

3 Measurements Mass Amount of matter an object contains. English: Pounds (lb) SI: Grams (g) []

4 [] 373.35 g

5 Measurements Temperature Measures the kinetic energy of molecules. English: Fahrenheit (°F) SI: Celsius (°C) []

6 Measurements Volume The amount of space an object occupies. English: Gallon (gal) SI: Liter (L) []

7 Measurements Volume is considered a derived unit since it can be calculated using length measurements Volume = l x w x h V = 5m x 3m x 3m V = 45 m 3 []

8 Unit Conversions The main units can be scaled up or down using prefixes on page 15. Click Here for "Powers of Ten Video"


10 Unit Conversions Kilo- is 1000 times larger than base. Centi- is 100 times smaller than base. Milli- is 1000 times smaller than base.

11 Unit Conversions Example: How many millimeters (mm) are there in 2 meters (m)? 2 m1000 mm 1 m = 2000 mm Dimensional Analysis…or “Bridge Problems” Conversion Factor is equal to one!

12 Unit Conversions Example: How many centimeters are there in 2.5 kilometers? 2.5 km1000 m 1 km = 250000 cm 1 m 100 cm Convert to “Base” Unit 1 st !

13 Unit Conversions Example: How many kilograms (kg) are there in 100 grams (g)? 100 g1 kg 1000 g = 0.1 kg

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