Scientific Measurement

Question 1

SI units

Answer 1

Improved version of metrics

Question 2

Meters

Answer 2

measures length

Question 3

Grams

Answer 3

measures mass

Question 4

Mass

Answer 4

the amount of “stuff” in an object

Question 5

Liters

Answer 5

measures liquid volume

Question 6

Cubic centimeters

Answer 6

solid volume

Question 7

Volume

Answer 7

the amount of space an object takes up

Question 8

Celsius or Kelvin

Answer 8

measures temperature

Question 9

Seconds

Answer 9

measures time

Question 10

Grams per cubic centimeter

Answer 10

measures density

Question 11

Density

Answer 11

how compact the molecules are in an object (combo of mass and volume)

Question 12

Derived Unit

Answer 12

unit that is a combination of two other units

Question 13

Accuracy

Answer 13

closeness of a measurement to the actual value

Question 14

Precision

Answer 14

how close measurements are to each other, and how carefully they are made

Question 15

Percent Error

Answer 15

compares a guess to an exact value

Question 16

Significant Figures

Answer 16

• Any non-zero number
• Sandwiched zeroes
• Trailing zeroes ^ONLY IF DECIMAL IS PRESENT

Question 17

Sig Figs when multiplying or dividing

Answer 17

as many SFs as the number with lowest amount of SFs

Question 18

adding and subtraction with SFs

Answer 18

Must have as many places to the right of the decimal as the number in the problem with the fewest number of places to the right of the decimal.

Question 19

Kilo- (k)

Answer 19

1000 of base unit

Question 20

Hecto- (h)

Answer 20

100 of base unit

Question 21

Deka- (da)

Answer 21

10 of base unit

Question 22

Deci- (d)

Answer 22

.1 of base unit

Question 23

Centi- (c)

Answer 23

.01 of base unit

Question 24

Milli- (m)

Answer 24

.001 of base unit

Question 25

Micro- (μ)

Answer 25

.000001 of base unit

Question 26

Standard

Answer 26

An exact quantity that people agree to use to compare measurements