Measurements

Question 1

Science requires us to make _________ of the world around us

Answer 1

Observations

Question 2

We will be measuring observable ______________ in the lab, and so we need to learn this skill set

Answer 2

Properties of matter

Question 3

Observations that you observe

Answer 3

Qualitative

Question 4

Measurements are ________ observations

Answer 4

Quantitative

Question 5

What is the uncertainty of 45.872

Answer 5

+/- 0.001

Question 6

Uncertainty of 0.1 cm if divisible by 10

Answer 6

+/- 0.01 cm

Question 7

Uncertainty of 0.1 cm if divisible by 2

Answer 7

+/- 0.05

Question 8

Uncertainty of 0.5 cm if divisible by 10

Answer 8

0.05 cm

Question 9

Precision means it has ________

Answer 9

Reproducibility

Question 10

Accuracy means it has _________

Answer 10

Correctness

Question 11

How close the measurements in a series are to each other (grouping)

Answer 11

Precision

Question 12

Refers to how close each measurement is to the actual value

Answer 12

Accuracy

Question 13

Produces values that are neither all higher or all lower than the actual value

Answer 13

Systematic error

Question 14

Produces values that are both higher and lower than the actual value

Answer 14

Random error

Question 15

Sig figs in 123.45

Answer 15

5

Question 16

Sig figs in 0.00012

Answer 16

2

Question 17

Sig figs in 123.400

Answer 17

6

Question 18

Sig figs in 10,300

Answer 18

3

Question 19

Formulas for volume

Answer 19

L x W x H

Question 20

1 x10^12

Answer 20

Tera

Question 21

1x10^9

Answer 21

Giga

Question 22

1x10^6

Answer 22

Mega

Question 23

1x10^3

Answer 23

Kilo

Question 24

1x10^2

Answer 24

Hecto

Question 25

1x10^1

Answer 25

Deka

Question 26

1x10^-1

Answer 26

Deci

Question 27

1x10^-2

Answer 27

Centi

Question 28

1x10^-3

Answer 28

Milli

Question 29

1x10^-6

Answer 29

Micro

Question 30

1x10^-9

Answer 30

Nano

Question 31

1x10^-12

Answer 31

Pico

Question 32

1 in = ____ cm

Answer 32

2.54 cm

Question 33

1 m = ____ in

Answer 33

39.4 in

Question 34

1 km = ____ Miles

Answer 34

0.621 mi

Question 35

1kg = _____ lb

Answer 35

2.20 lb

Question 36

1 gal = _____ quarts

Answer 36

4 quarts

Question 37

1 qrt = ____ Fl oz

Answer 37

32 fl oz

Question 38

1 L = _____ qrts

Answer 38

1.06 qrts

Question 39

1 ml = ____ cm^3

Answer 39

1

Question 40

The concave/convex curve of a liquid in a measuring container

Answer 40

Meniscus

Question 41

Analog scales require that we line our eye up correctly to read the scale because of this

Answer 41

Parrallax error

Question 42

K = C +

Answer 42

273.15

Question 43

Equation for density

Answer 43

D = m/v

Question 44

Density is a __________ property

Answer 44

Intrinsic