Metric Measurement

1. Metric Measurement

2. To Measure the volume of a liquid: • Always use the smallest one that can fit the volume you need. • Use a 10 ml cylinder if you only need 5 ml • If you need 75 ml, use the 100 ml cylinder

3. Measuring with a Graduated Cylinder • Measure at the lowest curve of the meniscus • Use a dropper to help to level off the amount wanted

4. What is the volume?

5. Using the Displacement method to measure the volume of a solid object • Place 60 ml of water into a 100 ml GC. • Careful, slide the object into the GC. • Record the new volume of the water. • Lets say the new volume is 65 ml • Subtract the original volume of 60 from the new volume of 65 ml • 65 ml – 60 ml = 5 ml. The volume of the object is 5 ml

6. Displacement Method to determine volume

7. To measure distance or length • Use a metric ruler or meter stick • Each little line is 1 millimeter (mm) • The thickness of a paperclip’s side • 10 mm = 1 centimeter (cm) • The thickness of your pinkie’s nail • 10 cm = 1 decimeter (dm) • The thickness of the palm of your hand • 10 dm = 1 meter (m) (From fingertips to shoulder) 1 mm 1 cm 1 dm

8. Converting in the Metric System • Kilo (k) = 1000 x a meter, liter or gram • Deci (d) = 1/10th of a meter • Centi (c) = 1/100th of a meter • Milli (m) = 1/1000th of a meter • Micro (u) = 1/1,000,000th of a meter or 1/1000th of a millimeter kilo deci milli Meter Liter Gram centi micro

9. Meter Liter Gram 1. Convert 150.53 centimeters to meters • Count how many spaces there are between the centimeters & meters and in which direction • …. 2 to the left • Now move the decimal place two places to the left • 150.53 • 1.5053 meters kilo deci milli centi micro

10. To MeasureTemperature: • Use a Thermometer. • We will only measure in degrees Celsius • Important temperatures: • Body temp ~ 37`C • Room temp ~ 21 `C • Water freezes at 0`C • Water boils at 100`C