Test 1: Math & Chemistry

Question 1

Qualitative

Answer 1

quality-based, such as color, physical state

Question 2

Quantitative

Answer 2

measurement of an amount or quantity

Question 3

scientific notation is the method scientists use to

Answer 3

handle large and small numbers

Question 4

Scientific notation is done by splitting up the number into what two parts?

Answer 4

the numerical value, and the factor of 10 by which it is multiplied (1000 is 1x10^3)

Question 5

The power listed in scientific notation is done by counting the number of __ following the initial #

Answer 5

zeroes

Question 6

If the power listed in scientific notation is negative, it describes

Answer 6

the total number of digits that come after the decimal. (.001 is 1x10^-3)

Question 7

Prefix for billion

Answer 7

giga- (G), 10^9

Question 8

Prefix for million

Answer 8

10^6, mega- (M)

Question 9

Prefix for thousand

Answer 9

10^3, kilo (k)

Question 10

Prefix for trillionth

Answer 10

10^-12, pico(p)

Question 11

Prefix for hundredth

Answer 11

10^-2, centi- (c)

Question 12

Prefix for thousandth

Answer 12

10^-3, milli- (m)

Question 13

Prefix millionth

Answer 13

10^-6, micro- (u/m)

Question 14

Prefix for billionth

Answer 14

10^-9, nano- (n)

Question 15

What are the two parts of all quantitative measurements?

Answer 15

number and unit

Question 16

The units of mass are

Answer 16

gram, pound, ounce, atomic mass unit (amu)

Question 17

The units of length are

Answer 17

meter(m), inch, foot, yard(yd), mile(mi)

Question 18

The units of time are

Answer 18

second(s)

Question 19

The units of temperature are

Answer 19

kelvin(K), Celsius (degreeC), fahrenheit (degreeF)

Question 20

Volume is found by

Answer 20

width x depth x height

Question 21

Density =

Answer 21

Density = Mass/Volume

Question 22

For solid objects that are not perfect cubes, measurement of volume can be done by

Answer 22

measuring the difference in volume when the solid object is added to a fixed amount of water

Question 23

Prefix for trillion

Answer 23

Tera- (T), 10^12

Question 24

Prefix for unit

Answer 24

1x10^0

Question 25

Ascending metric system prefixes

Answer 25

Kilo, mega, giga, tera (kindness means giving thanks)

Question 26

Descending metric system prefixes

Answer 26

Centi, milli, micro, nano, pico (caring moms make nice people)

Question 27

Exact numbers are those that are part of a __

Answer 27

defined relationship

Question 28

Our ability to measure is limited by

Answer 28

a) what we are measuring and b) what tools we are using to measure it.

Question 29

Standard deviation

Answer 29

deviation from the mean – margin of error

Question 30

Precision

Answer 30

How close a measured number is to another measured number. (Repeatable)

Question 31

The more significant digits a measurement has, the more___ that measurement is.

Answer 31

precise

Question 32

Accuracy

Answer 32

How close a measured number is to a value. Degree consistent with reality

Question 33

When giving measurements, it is considered a best practice in the medical field to drop

Answer 33

all trailing zeroes

Question 34

Every method of measuring has a ___ to the level of detection possible

Answer 34

real limit

Question 35

Metric unit used to measure volume is

Answer 35

liter