Chapter 1.4 Measurement in Scientific Study

Question 1

SI Units

Answer 1

universally accepted exat system of measurement

Question 2

General Features of SI Units

Answer 2

SI System is based on 7 fundamental (base) units

All other units are Derived Units

Question 3

Derived Units

Answer 3

combinations of the 7 base units ex. speed

Question 4

Mass (Physical Quantity)

Answer 4

Kilogram (kg) (Unit Name)

Question 5

Length (Physical Quantity)

Answer 5

Meter (m) (Unit Name)

Question 6

Time (Physical Quantity)

Answer 6

Second (s) (Unit Name)

Question 7

Temperature (Physical Quantity)

Answer 7

Kelvin (K) (Unit Name)

Question 8

Electric Current (Physical Quantity)

Answer 8

Ampere (A) (Unit Name)

Question 9

Amount of Substance (Physical Quantity)

Answer 9

mole (mol) (Unit Name)

Question 10

Luminous Intensity (Physical Quantity)

Answer 10

candela (cd) (Unit Name)

Question 11

Deci Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 11

d, tenth, 0.1, 1x10^-1

Question 12

Centi Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 12

c, hundredth, 0.01, 1x10^-2

Question 13

Milli Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 13

m, thousandth, 0.001, 1x10^-3

Question 14

Micro Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 14

µ, millionth, 0.000001, 1x10^-6

Question 15

Nano Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 15

n, billionth, 0.000000001, 1x10^-9

Question 16

Pico Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 16

p, trillionth, 0.000000000001, 1x10^-12

Question 17

Femto Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 17

f, quadrillionth, 0.000000000000001, 1x10^-15

Question 18

One Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 18

one, 1, 1x10^0

Question 19

Tera Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 19

T, trillion, (1,000,000,000), 1x10^12

Question 20

Gigi Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 20

G, billion, (1,000,000,000), 1x10^9

Question 21

Mega Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 21

M, million, (1,000,000), 1x10^6

Question 22

Kilo Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 22

k, thousand, (1,000), 1x10^3

Question 23

Hecto Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 23

h, hundred, 100, 1x10^2

Question 24

Deka Prefix, Symbol, Word, Conventional Notation, Exponential Notation:

Answer 24

da, ten, 10, 1x10^1

Question 25

1 Kilometer (km)

Answer 25

1000 (10^3) meters
.6124 miles (mi)
*(1 mi = 1.609 km)

Question 26

1 meter (m)

Answer 26

100 (10^2) cm
1000 mm
1.094 yd
39.37 in
*(1 ft = 0.3048)

Question 27

1 centimeter (cm)

Answer 27

0.10 (10^-2) m
0.3927 in
1 in = 2.54 cm

Question 28

1 Cubic meter (m³)

Answer 28

1,000,000 (10⁶) cm³

35. 21 ft³
    * (1 ft³ = 0.02832m³)

Question 29

1 Cubic decimeter (dm³)

Answer 29

1000 cm³

0. 2542 gal
1. 057 quarts (q)
   * 1 gal = 3.785 dm³
   * 1 q = 946.4 cm³

Question 30

1 Cubic centimeter (cm³)

Answer 30

0.001 dm³
0.03321 fluid oz.
1 fluid oz = 29.57cm³

Question 31

1 kilogram (kg)

Answer 31

1000 grams

2.205 lbs

Question 32

1 grams (g)

Answer 32

1000 milligrams (mg)

Question 33

Density

Answer 33

1. D = Mass/Volume
2. Mass = Volume x Density
3. Volume = Mass x (1/Density)

Question 34

Kelvin: Unit, Freezing Point, Boiling Point, Temperature @ Absolute Zero

Answer 34

K, 273.15K, 313.13K, 0K

Question 35

°C to Kelvin

Answer 35

Temp(in K) = Temp(in °C) + 273.15

Question 36

Celsius: Unit, Freezing Point, Boiling Point, Temperature @ Absolute Zero

Answer 36

°C, 0°C, 100°C, -273.15°C

Question 37

Fahrenheit: Unit, Freezing Point, Boiling Point, Temperature @ Absolute Zero

Answer 37

°F, 32°F, 212°F, -459.67°F

Question 38

Kelvin to °C

Answer 38

Temp(in °C) = Temp (in K) - 273.15

Question 39

°C to °F

Answer 39

Temp(in °F) = (9/5) Temp(in °C) + 32

Question 40

°F to °C

Answer 40

Temp (°C) = [Temp(in °F) - 32] (5/9)

Question 41

Extensive

Answer 41

dependent on the amount of substance there is

Question 42

Intensive

Answer 42

independent of the amount of substance