1. # 11 Metric System & The Scientific Method Metric System (SI)- System International

2. 1. Advantages  a. based on 10’s  b. easy to convert from small to large and large to small  c. used internationally

3. 2. Facts  a. Applies to- length, volume, mass & temperature  b. Prefixes- used to tell large and small quantities

4. 3. Basic Terms  Length = Meter  Mass = Gram  Volume = Liter  Temperature = Celsius (Kelvin for science) (Kelvin for science)

5. 4. The SI system is used by most countries Length Meter, kilometer Centimeter Volume Liter, milliliter, um, cm 3 Mass Gram, kilogram, milligram TemperatureCelsius

6. 5. Prefixes  **Kilo = 1000  Hecto = 100  Deka = 10  deci = 1/10  **centi = 1/100  **milli = 1/1000

7. 6. Conversion  Move the decimal to convert size or amount Kilo Hecto Deka Meter deci centi milli Gram Gram Liter Liter Memory Trick: King Henry Died drinking chocolate milk

8. 7. Practice Kilo H Da Meter d centi milli Kilo H Da Meter d centi milli 1. ? 5 2. 8 ? 3. ? 5000 4. 4 ? 5. ? 5 6. ? 5

9. 6b. Answers Kilo H Da Meter d centi milli Kilo H Da Meter d centi milli 1..005 5 2. 8 800 3. 5 5000 4. 4 4000 5..5 5 6..005 5

10. What is the Scientific Method? It is a series of steps used to help solve a problem. Step 1. Define the problem. A. Only focus on one problem Step 2. Form a Hypothesis (educated guess). A. Make it a short definitive statement. B. It should be an "if" then" statement.

11. * Step 3. Test the hypothesis. Control groupExperimental group Nothing is done or changed to this group A variable is changed to observe the results

13. Step 5: Communicate Your Results If you discover something cool, Tell Somebody!!!