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Measurement. Let’s Measure!. What are some things you measure?. weight. height. speed. distance. English vs. Metric. ENGLISH . In the U.S. we use the _________ system for measurement All but 3 countries in the world use the INTERNATIONAL SYSTEM OF UNITS, or ___. __________,

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measurement

Measurement

Let’s Measure!

what are some things you measure
What are some things you measure?

weight

height

speed

distance

english vs metric
English vs. Metric

ENGLISH

  • In the U.S. we use the _________ system for measurement
  • All but 3 countries in the world use the INTERNATIONAL SYSTEM OF UNITS, or ___.
  • __________,
  • __________ &
  • __________

SI

U.S.A.

BURMA

LIBERIA

what we measure
What we measure…
  • ___________
  • ___________
  • _______________

LENGTH

VOLUME

WEIGHT/ MASS

english system
English System

Length- ___________________________

Length is measured in…

  • _________, _________, ________

Amount of space between two points

inches

feet

miles

english system1
English system

Volume- __________________________

Volume is measured in…

  • _________, _________, ________

Amount of space an object takes up

ounces

cups

gallons

english system2
English System

Weight- ___________________________

Weight is measured in…

  • _________, _________, ________

Gravity’s effect on an object’s mass

ounces

pounds

tons

english relationships
English relationships

Length

  • 1 foot = ___ inches
  • 1 mile = _______ feet

Volume

  • 1 cup = __ ounces
  • 1 gallon = ___ cups

Weight

  • 1 pound = ___ ounces
  • 1 ton = _______ pounds

12

5,280

8

16

16

2,000

why use metric it s easier
Why use metric? It’s easier!

METRIC

  • SI, or the _________ system, is much easier because it is based on a system of ______
  • Metric system uses ______ units…
    • LENGTH _________, m
    • VOLUME  ________, L
    • MASS  ________, g

TENS

BASE

METER

LITER

GRAM

weight vs mass
WEIGHT vs. MASS
  • Remember…
    • _____- is the amount of MATTER an object has
    • _______- is ___________ effect on an objects mass
    • ______ stays the same everywhere (Earth, moon, Mars)
    • WEIGHT changes… if you weigh 180lbs on Earth you would only weigh 30lbs on the moon

Mass

Weight

gravity’s

MASS

metric prefixes
Metric Prefixes
  • Prefixes for _______ lengths, volumes & masses…
  • ___________
  • ___________
  • ___________
  • Prefixes for _______ lengths, volumes & masses…
  • ___________
  • ___________
  • ___________

LARGE

SMALL

kilo- (k)

deci- (d)

hecto- (h)

centi- (c)

Deca- (D)

milli- (m)

prefix base unit length
Prefix + Base Unit LENGTH

km= kilometer

hm= hectometer

Dm= Decameter

m= meter

dm= decimeter

cm= centimeter

mm= millimeter

prefix base unit volume
Prefix + Base Unit VOLUME

kL= kiloliter

hL= hectoliter

DL= Decaliter

L= liter

dL= deciliter

cL= centiliter

mL= milliliter

prefix base unit mass
Prefix + Base Unit MASS

kg= kilogram

hg= hectogram

Dg= Decagram

g= gram

dg= decigram

cg= centigram

mg= milligram

length
LENGTH

METER

  • Base unit- ___________

Metric

English

length1
Length
  • When making measurements in science be sure to use the metric side of the ruler!
  • Looking at the ruler in front of you
    • determine which side is the metric side

If the ruler doesn’t tell you which side is inches and which is centimeters…

The millimeter lines are always much closer together!

ruler talk
Ruler talk

longer

  • The _________ lines on the ruler represent the ___________, the _______ lines represent __________.

centimeters

shorter

millimeters

ruler talk1
Ruler talk
  • How many millimeters are there in 1 centimeter? _____
  • What is the value of each mm? ______
  • How long is the line below?

_______

10

0.1 cm

3.4 cm

let s practice
Let’s Practice
  • Use your ruler to complete the measuring worksheet.
  • Be sure to raise your hand if you need some help!
tonight s homework
Tonight’s Homework
  • Complete the prefix and base unit worksheet (don’t forget to use your notes )
  • Study your notes for a quiz next class!
volume
VOLUME

Remember…

  • Volume is the amount of _______ an object takes up
  • The BASE UNIT is the __________

space

liter, L

what do you measure volume with
What do you measure volume with?
  • ________________
  • ________________
  • __________________

BEAKER

Erlenmeyer flask

Graduated cylinder

beakers
BEAKERS

sizes

  • Beakers come in all _________
  • There are teeny tiny ones and very large ones
erlenmeyer flask
Erlenmeyer flask

shape

  • The ________ helps prevent liquids from ___________ out of the flask

spilling

graduated cylinder
Graduated cylinder
  • When using a graduated cylinder you always want to read from the __________ of the __________ line called the ________________

bottom

curved

meniscus

meniscus
Meniscus
  • The volume in this graduated cylinder is ________

43 mL

slide27
MASS

Remember…

  • Mass is the amount of __________ an object has
  • The BASE UNIT is the __________

matter

GRAM

what do we use to measure mass
What do we use to measure mass?
  • ________________
  • ________________
  • __________________

Triple beam balance

Four beam balance

Electronic balance

balances
Balances

three

  • Triple beam balances have ________ riders
balances1
Balances

four

  • Four beam balances have _______ riders
balances2
Balances
  • Electronic balances plug in to the wall and __________, then they are ready to go!

calibrate

don t forget
Don’t forget!
  • All measurements contain a _________ and a ________
  • You don’t want to leave any numbers ___________

number

unit

NAKED!!!