Lesson 1.1: Units Of Measurement

Question 1

Why is Units of Measurement important?

Answer 1

○ Accuracy and precision.

○ Allows different quantities, comparisons and consistency, problem solving, scientific research.

Question 2

assigning a quantity to describe a property of an object by comparing it with a standard.

Answer 2

Measurement

Question 3

standard system of measurement for the fundamental quantities abbreviated from Systeme International.

Answer 3

Metric System (1960)

Question 4

quantities resulting from the combination of any of the fundamental quantities.

Answer 4

Derived Units

Question 5

What other form of measurement system exists?

Answer 5

Imperial Unit / U.S Customary Units

Question 6

Categorize what Quantity these Units are.

Second :

Meter :

Kilogram :

Ampere :

Kelvin :

Mole :

Candela :

Answer 6

Second : time

Meter : length

Kilogram : mass

Ampere : electric current

Kelvin : thermodynamic temperature

Mole : amount of substance

Candela : luminous intensity

Question 7

Conver these Imperial Units to Metric System.

slug =

pound =

ounce =

foot =

inch =

mile =

quart =

Answer 7

slug = 14.59 kg

pound = 4.448 M

ounce = 28.350 grams

foot = 30.48 cm

inch = 2.54 cm

mile = 1,609 m / 1.069 km

quart = 0.946 L

Question 8

Write the complete table from Terameter to Picometer.

Question 9

Convert the following:

kilometer-to-meter =

hour-to-second =

feet-to-meter =

Answer 9

kilometer-to-meter = 1,000 m

hour-to-second = 3,600 s

feet-to-meter = 0.3048 m