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MyanmarLiberia

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Fundamental SI Measurements

Table of units on pg. 18

Measurements

Length Size of an

object. English: Foot

(ft) SI: Meter (m)

Measurements

Temperature Measures the

kinetic energy of molecules.

English: Fahrenheit (°F)

SI: Celsius (°C)

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Measurements

To change from Fahrenheit to Celsius you can use the following equation:

32)-F(9

5 C oo

Measurements

Mass Amount of

matter an object contains.

English: Pounds (lb)

SI: Grams (g)

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373.35 g

Measurements

Volume The amount of

space an object occupies.

English: Gallon (gal)

SI: Liter (L)

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Measurements

Meniscus - This is the bend that a fluid makes when measuring volume.11.5 mL

Measurements

What is the reading here?

6.6 mL

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Measurements

1.0 mL = 1.0 cm3

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Unit Conversions The main

units can be scaled up or down using prefixes on page 20.

Click here for "Powers of Ten" Video

Unit Conversions

Example: How many milliliters (mL) of soda are in a 2.0 liter (L) bottle?

2.0 L 1000 mL

1 L= 2000 mL

Dimensional Analysis…or “Bridge Problems”

Conversion Factor is equal

to one!

Unit Conversions

Example: How many kilograms (kg) are there in 100 milligrams (mg)?

100 mg 1 g

1000 mg= 0.0001 kg

1 kg

1000 g