1. Tools of
Measurement Packet

2. What is the metric system?
System of measurement used by scientists around the world

3. Who’s Using the System?

4. Who uses the metric system?
Scientists around the world and the scientific community.
WHY?

5. Scientist accomplish…
Scientists can use this system to :
Express observations more precisely
Communicate information easily

6. The Metric System
SI is an abbreviation for international system of units.

7. The system is based on unit of TEN.
Each unit is ten times larger or smaller than the previous unit.

8. You can change the prefix of a unit to increase or decrease its size.
SYMBOL
MEANING
Kilo - k
One thousand (1,000)
Hecto - h
One hundred (100)
Deka - da
Ten (10)
Deci - d
One tenth (1/10)
Centi - c
One hundredth (1/100)
Milli- m
One thousandth (1/1000)

9. You can convert between SI units like you can between dollars and dimes.
Units of Length
km = 1,000 m
1 m = 100 cm
1 m = 1,000 mm
1 cm = 10 mm

10. Comparing and Contrasting
Gram
Meter
Liter
Definition
Base Unit
What it Measures
Example
Complete Graphic
Organizer
With Your Group

11. Gram Units of Measurement
Definition: Used to measure mass or amount of matter in an object
Base Unit: g
What is Measures? Mass
Example: Weight of a pumpkin

12. Meter Units of Measurement
Definition: Used to measure length or distance between two points
Base Unit: m
What is Measures? Length
Example: Distance between New York and Chicago

13. Liter Units of Measurement
Definition: Used to measure volume of a liquid or the amount of space it takes up
Base Unit: L (Must be capitalized)
What is Measures? Volume
Example: Amount of soda

14. Metric system is not used in U.S.
So, there will never be anything labeled in…
MILES
FEET
INCHES
FAHRENHEIT

15. Balance measures weight
What does is measures?
Balance measures weight

16. _______ + ______ + _______ = ________ g
Measuring Mass
We will be using triple-beam balances to find the mass of various objects.
The objects are placed on the scale and then you move the weights on the beams until you get the lines on the right-side of the scale to match up.
Once you have balanced the scale, you add up the amounts on each beam to find the total mass.
What would be the mass of the object measured in the picture?
_______ + ______ + _______ = ________ g
Top Image: Bottom Image:

17. Measuring Mass – Triple-Beam Balance
1st – Place the film canister on the scale.
2nd – Slide the large weight to the right until the arm drops below the line. Move the rider back one groove. Make sure it “locks” into place.
3rd – Repeat this process with the top weight. When the arm moves below the line, back it up one groove.
4th – Slide the small weight on the front beam until the lines match up.
5th – Add the amounts on each beam to find the total mass to the nearest tenth of a gram.
Click here to try an online activity.

18. Graduated cylinder measures volume
What does is measures?
Graduated cylinder measures volume

19. Measuring Volume
We will be using graduated cylinders to find the volume of liquids and other objects.
Read the measurement based on the bottom of the meniscus or curve. When using a real cylinder, make sure you are eye-level with the level of the water.
What is the volume of water in the cylinder? _____mL
What causes the meniscus?
A concave meniscus occurs when the molecules of the liquid attract those of the container. The glass attracts the water on the sides.
Top Image: Bottom Image:

20. Measuring Solid Volume
10 cm
9 cm
8 cm
We can measure the volume of regular object using the formula length x width x height.
_____ X _____ X _____ = _____
We can measure the volume of irregular object using water displacement.
Amount of H2O with object = ______ About of H2O without object = ______ Difference = Volume = ______
Click here for an online activity about volume. Choose Lessons  Volume & Displacement

21. Meter stick and rulers measures length
What does is measures?
Meter stick and rulers measures length

22. Measuring Length How many millimeters are in 1 centimeter?
1 centimeter = 10 millimeters
How many millimeters are in 1 centimeter?
What is the length of the line in centimeters? _______cm
What is the length of the line in millimeters? _______mm
What is the length of the line to the nearest centimeter? ________cm
HINT: Round to the nearest centimeter – no decimals.
Ruler:

23. Area vs Volume
Area = length x width
Length is the Long side
98 cm2

24. Volume= length x width x height
Area vs Volume
Volume= length x width x height

25. Measuring Temperature
You measure temperature in degrees Celsius
You use a thermometer
Find temperature by counting the marked lines