Measurement Activity

Work with the team at your rowWork together to measure your

table’s length and width with the object you were assigned

Write your answers on the slip of paper.

We will share with the class to compare data.

Binder clip

Measurement Activity

Why is it important to have ONE standard, agreed-upon system of measurement?

What are some things to consider when we are measuring that makes us more accurate?

• Why do we use the Metric System?

• What equipment do we use to measure with?

The Metric System

• Also known as “SI MEASUREMENT”

• SI stands for “ System International” or International System of Measurement.

The Metric System

The Metric System

The Metric SystemAmerican Chopper vs. Metric Systemhttp://www.youtube.com/watch?v=Omh8Ito-05M

US Switch to Metric Systemhttp://www.youtube.com/watch?v=xXK-QJ_9SLs

Metric Mishap:http://articles.cnn.com/1999-09-30/tech/9909_30_mars.metric.02_1_climate-orbiter-spacecraft-team-metric-system?_

s=PM:TECH

The Metric System What about it?

oCommon language for scientistsoBased on units of 10.oMove the decimal place to go to

larger or smaller unitsoPrefixes determine “how much” of a

unit

METRIC PREFIXES• KILO (k) = 1000• HECTO (h) = 100• DECA (da) = 10

BASE UNIT (liter, meter, gram) = ONE

• DECI (d) = 1/10 or 0.1• CENTI (c) =1/100 or .01)• MILLI (m)=1/1000 or .001)

The Metric System

Easy way to remember the order of prefixes: Kids Have Dreams But Dreams

Cost Moneyo 

METRIC PREFIXES

LEARNING ACTIVITIES

A Brief History of Measurement Videoclip

The Metric System Videoclip Metric Interactive Website

METRIC BASE UNITSLENGTH/DISTANCE = METER

• Measure with a metric ruler or meterstick or tape measure

• Remember, there are 10 millimeters in one centimeter

 

LEARNING ACTIVITIES

Length Lab

VOLUME (how much space something takes

up)

METRIC UNIT FOR LIQUIDS= LITER • Measure with a graduated

cylinder• Always read at eye level from the

bottom of the curvy line (called the meniscus)

12 32 1.6 18

Measuring Volume Clip

VOLUME (how much space something takes

up)

METRIC UNIT FOR SOLIDS= CUBIC CMs (cm3)

• You can use a RULER for some things.

• Measure length, width, and height of the object and then MULTIPLY [length x width x height]

VOLUME (how much space something takes

up)

• If the object is irregularly shaped and fits into a graduated cylinder, you could use the method of displacement

• Measure an amount of water into the graduated cylinder. Record this number.

• Add the object and observe the water line go up.

• Subtract the difference between the first and second number. That is the volume of your object.

VOLUME (how much space something takes

up)

Note: 1 cubic centimeter (cm3) is the same amount as 1 mL. The units are interchangeable.

LEARNING ACTIVITIES

Volume LabParts 1-3 todayPart 4 tomorrow

TODAY’S LEARNING OBJECTIVE

Did You Master It?

Understand that liters are the metric unit for volume

Know how to use a graduated cylinder or ruler to measure volume

TODAY’S LEARNING OBJECTIVE

Understand that GRAMS are the metric unit for mass

Know how to use a balance to measure mass

MASS (how much matter something is made of)

METRIC UNIT = GRAM

• Measure with a TRIPLE BEAM BALANCE or ELECTRONIC SCALE

MASS (how much matter something is made of)

TRIPLE BEAM BALANCE

frame

Zero knob

pan rider beam

balance point

brake

Triple Beam Balance

The Triple Beam Balance has 3 Riders (Weights)• Front Beam holds the 1 gram rider; it

slides across the beam to 10 grams• Back Beam holds the 10 gram rider; it

slides across the beam to 100 grams• Middle Beam holds the 100 gram rider; it

slides along the beam to 500 grams• What is the most mass this balance can

hold? 610 grams• The smallest mass this balance can

measure is 1/10 or 0.1 grams

Triple Beam BalanceOther Notes about the Balance:   Carry it with two hands

When putting it away, place the largest rider all the way to the right.

When weighing chemicals the pan must be kept clean and dry. Be sure to measure the mass of the container and subtract that from the total.

Triple Beam BalanceUsing the Balance: 1. Move all riders to zero2. Check to see if the zero needle lines up to zero.

If it does not, turn the zero knob (back to make it go up, toward you to make it go down)

3. Place your object on the pan.4. Move the LARGE 100 gram rider first, into the

notched position. Check for balance and adjust lighter or heavier.

5. Move the MEDIUM 10 gram rider second, into the notched position. Check for balance and adjust lighter or heavier.

6. Move the SMALL 1 gram rider by sliding it along the bar. Check for balance and adjust.

7. ADD all the riders together for the total mass of the object. Label your number!

Triple Beam Balance

Electronic Balances1. Turn on the balance (be sure its

plugged in). 2. Zero the balance by pushing the

zero button. If you need to measure something inside a container, you can push the zero button after putting the container on the pan.

3. Place your object on the balance.4. Read the mass in gram

LEARNING ACTIVITIES

Triple Beam Balance Gizmo

Mass Lab

TODAY’S LEARNING OBJECTIVE

Did you master it?Understand that GRAMS are the

metric unit for mass

Know how to use a balance to measure mass

TODAY’S LEARNING OBJECTIVE

Understand that o Celsius are the metric unit for temperature

Know how to use a thermometer to measure temperature

TEMPERATURE (measures motion of particles—more motion = higher temperature)

METRIC UNIT FOR TEMPERATURE = O celsius 

• Measure with a thermometer• Watch for the alcohol to stop

moving (a minute or so)• Water boils at 100 and freezes

at 0.

TEMPERATURE (measures motion of particles—more motion = higher temperature)

Memory Aid: o 30 is hot, 20 is nice, 10 is cool, 0 is ice.

Measuring Temperature

Videoclip

Farenheit Scale

LEARNING ACTIVITIESTemperature Lab

Does your blood “boil” in space?• http://

space.about.com/cs/basics/a/bodyvacuum1.htm• http://

www.sciencemuseum.org.uk/onlinestuff/snot/what_would_happen_if_you_farted_in_a_space_suit.aspx

TEMPERATURE BY BRAINPOP

TODAY’S LEARNING OBJECTIVE

Did you master it?Understand that o Celsius are the

metric unit for temperature

Know how to use a thermometer to measure mass

Wrap Up and Summary

• Metric Units by Brainpop– View and complete quiz as a class

Wrap Up and Summary

Write a summary (2-3 sentences) of what you learned about MEASUREMENT here:

  

Metric vs. Customary s by Brainpop