section 2: Units And Measuring

Question 1

S.I. System (International system of measurements)

Answer 1

System of measurements used worldwide

Question 2

Distance (length)-

Answer 2

variable- l, w, h
unit- meter
abv- m

Question 3

Time

Answer 3

variable- t
unit- second
abv- s (lowercase)

Question 4

Temperature

Answer 4

variable- T
unit- Kelvin
abv- K (uppercase)

Question 5

Mass

Answer 5

variable- m
unit- Kilogram
abv- Kg

Question 6

Luminous intensity

Answer 6

variable- lv
unit- candela
abv- cd

Question 7

amount of substance

Answer 7

variable- n
unit- mole
abv- mol

Question 8

Electric current

Answer 8

variable- I, i
unit- ampere
abv- A

Question 9

Derived unit

Answer 9

a unit made by combining two or more S.I. units

Question 10

Kilo

Answer 10

symbol- K

multiplying factor- 1000

Question 11

Hecto

Answer 11

symbol- h

multiplying factor- 100

Question 12

deKa

Answer 12

symbol- da

multiplying factor- 10

Question 13

base

Answer 13

multiplying factor- 1

Question 14

deci

Answer 14

symbol- d

multiplying factor- 1/10

Question 15

centi

Answer 15

symbol- c

multiplying factor- 1/100

Question 16

milli

Answer 16

symbol- m

multiplying factor- 1/1000

Question 17

what do sig figs help us determine?

Answer 17

the precision of our measurements

Question 18

What do the spaces on a tool do?

Answer 18

the measuring

Question 19

What do the lines on a tool indicate?

Answer 19

a certain amount of space

Question 20

How do you determine the scale of a tool?

Answer 20

units/ # spaces

Question 21

Every measure must have one _____

Answer 21

Estimated digit

Question 22

What do you use to measure liquid with?

Answer 22

a graduated cylinder

Question 23

How do measure the meniscus

Answer 23

at the bottom

Question 24

Density

Answer 24

The amount of matter in a given space

Question 25

D =

Answer 25

m/ V