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Measurement Mass Length Volume

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Week 3

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Measurement Mass Length Volume

1. 1. Hypothesis Independent Variable and Dependant Variable Review
2. 2. Dissolved salt increases Hypothesis? IF the water temperatures increases, THEN dissolved salt increases Independent variable Dependent variable Water temperature increase
3. 3. MEASURE
4. 4. What tools to scientists use? balance ruler To measure … MASS LENGTH
5. 6. Measuring Length 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 in centimeters? ________cm 1 centimeter = 10 millimeters
6. 7. Measuring Mass We will be using triple-beam balances What would be the mass of the object measured in the picture? _______ + ______ + _______ = ________ g
7. 8. Metric Units 1 Kilogram (km) = _________ (g) 1 Gram (g) = _____________ (mg)
8. 9. How do we measure the mass of liquid? 5 grams? 10 grams? 10,000 grams?
9. 10. How do we measure the mass of liquid? Mass of beaker Mass of beaker with liquid - = Mass of liquid 10 grams 3 grams
10. 11. <ul><li>Volume = Length x Height x Width </li></ul>Measuring Volume 1 milliliter (mL) = 1 cm 3
11. 12. Measuring Solid Volume We can measure the volume of regular object using the formula length x width x height . _____ X _____ X _____ = _____ 10 cm 9 cm 8 cm http://resources.edb.gov.hk/~s1sci/R_S1Science/sp/en/syllabus/unit14/new/testingmain1.htm We can measure the volume of irregular object using water displacement . Amount of H 2 O with object = ______ About of H 2 O without object = ______ Difference = Volume = ______
12. 13. KILO 1000 Units HECTO 100 Units DEKA 10 Units DECI 0.1 Unit CENTI 0.01 Unit MILLI 0.001 Unit Ladder Method 4 km = _________ m How many jumps does it take? 4. = 4000 m Meters Liters Grams How do you use the “ladder” method? 1 st – Determine your starting point. 2 nd – Count the “jumps” to your ending point. 3 rd – Move the decimal the same number of jumps in the same direction. 1 2 3 Starting Point Ending Point 1 __ . 2 __ . 3 __ .