Metrics

Connelly

Metric System

Metric System: a standard system of measurement used by scientist worldwide

Called System International (SI)

Based on units 10s

Base Units

Mass Measures the amount of

matter in an object Units: Grams (g) Instrument used: Balance

Length Measures distance Units: Meters (m) Instrument used: Ruler,

meter stick

Volume Measures the amount

of space an object takes space an object takes upup

Units: Liter (L) – for liquids; Cubic Centimeter (cm3) – for irregular objects

Instrument used: Graduated cylinder or Beaker

Reading Measuring Tools

Rulers

a b

￬ ￬

How long is the paper clip?

How long is the nail?

How long is the pencil?

Your turn to try!

Graduated Cylinders

Let’s take a look

Practice 1

http://www.superteacherworksheets.com/measurement/graduated-cylinders-mixed-easy_WMNTW.pdf

Practice 2

http://www.jabe.com

http://www.jabe.com

a. 49.2 b. 18

http://www.jabe.com

c. 27.65 d. 63.8

http://www.jabe.com

Let’s make sure you get it!

Interactive Practice

http://www.wisc-online.com/objects/viewobject.aspx?id=gch302

Your Turn!

Thermometers

What is the scale? What is the Temperature?

What is the scale? What is the Temperature?

Triple Beam Balance

Check it out!

Practice

Your Turn!

http://www.ohaus.com/input/tutorials/tbb/TBBread.html

Metric Conversions

Mnemonic for Prefixes

Kangaroos – Kilo Hop – Hecto Down – Deca Bumpy – Base Driveways – Deci Crushing – Centi Marshmallows – Milli

Decimals

If decimal is shown, move the decimal from that place Ex. 4.56 (start after the 4)

If the decimal is not shown, it is located behind the last number Ex. 32 (start after the 2)

Let’s Practice

15.32 cm to ________________ m

32,000 mg to ________________ hg

7.05893 kL to _______________mL

Independent Practice

Ask Questions if you are confused!!!