metrics connelly. metric system metric system: a standard system of measurement used by scientist...
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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!!!