1. The Measurement of Science

2. Why do we use the Metric System and SI
Most of the world uses it!!!
IT’S ________________________
Metric System- system of measurement based on the number ________
SI (System international)- adaptation of the metric system regulated by International Bureau of Weights and Measures.

3. What does it measure? Length (how long)
The ____________ is the basic unit
A little longer than a yard
Meterstick, ruler
Mass (how much stuff its made of)
A paper clip is about 2 grams
scale
Volume (how much space it takes)
The ________________ is the basic unit
One liter bottle vs 2 liter bottle
Graduated cylinder, beaker

4. Making a good measurement
Parallex Error
The error caused by reading measurements from ______________.
Example- reading a speedometer from the passengers side.

5. Using a ruler There are ________ millimeters in every centimeter
We can write millimeters as tenths of a centimeter
Milimeter
Centimeter

6. Using a Graduated Cylinder
Measure to the bottom of the curve (_______________)
You should be at eye level with the liquid
How much is each space worth?
Value of the Difference between the numbers
Space =
number of spaces

7. SI Prefixes
Prefixes are are used to change units by a factor of __________
Kilo = ____ abbreviation - K
Hecto = 100 abbreviation - H
Deka = 10 abbreviation - da
Deci = 0.1 abbreviation - d
_____ = 0.01 abbreviation - c
mili = abbreviation - m
Example: if you travel 2 kilometers you have traveled
___________ meters! Kilo stands for __________

8. How do we convert from one measurement to another?
How do I remember that?
K H D U D C M

9. TRY THIS USING THE STAIRCASE METHOD
1000 mg = ______ g
Step 1: Determine if you are going to go up or down the ladder.
Step 2: Determine how many steps there are from milligrams to grams.
Step 3: Move the decimal point the amount of places that was determined in steps 1 & 2.

10. TRY THIS USING THE STAIRCASE METHOD
0.15 L = __________ ml
25.6 cm= __________ m
150,000 mg=_________ kg