Science 8 - Unit 2

length or distance

distance between 2 points

volume or capacity

amount of space something occupies

mass

amount of matter in a solid, liquid, or gas

weight or force

force applies by a mass

temperature

how hot or cold something is

time

period between events

what does k stand for (metric system)

kilo-

what does h stand for (metric system)

hecto-

what does da stand for (metric system)

deca-

what does deci stand for (metric system)

deci-

what does c stand for (metric system)

centi-

what does m stand for (metric system)

milli-

what are the basic units in the metric system (m,g, L)

meters, grams, liters

metric system prefixes in order of largest-smallest

kilo, hecto, deca, basic units, deci, centi, milli

are non-zero numbers (1-9) sig figs

yes

are zeroes between non-zero numbers sig figs

yes

are zeros before non-zeros sig figs

no

are zeros after a non-zero (not decimals) sig figs

no

are zeros that are to the right of the decimal point sig figs

yes

how many sig figs does 24300.0 have

6 (trailing zeros when they is a decimal)

how many sig figs does 12.670 have

5

how many sig figs does 4050 have

3

how many sig figs dos 0.00700 have

3

how many sig figs does 100257 have

6

formula to measure volume on objects with easy to measure sides

volume= length x width x height

what are units for volume (easy to measure objects)

cm^3

how do you measure objects with hard to measure sides

the water displacement method

formula for water displacement method

volume=final volume-initial volume

units for hard to measure objects

mL