Measurement What type of observation is a measurement? Explain - PDF document

The Metric System: It’s all ups and downs... Ms. Gilliland Fountain 6 Measurement What type of observation is a measurement? Explain why. Quantitative observations Involves numbers, amounts and values

Why is the metric system used in Science when it is not the system used in the United States by the general public? Uniform System of Measurement ... • Important for accuracy and comparability • Same meaning in all languages In the past ... Used body parts as standards ...

So, welcome to metric measurements -- International System of Measurement (SI) The metric unit: a specific amount used to measure something. What Basic Metric Symbol or What is instrument(s) Unit Abbreviation measured? is used? Length and Ruler, meter Meter m distance stick Liquid Graduated Volume -- Liter L , l cylinder, amount of Beaker space Mass -- Gram g amount of Balance matter

Prefix: describes the size of the unit. kilo units centi milli Prefix hecto deka (medium) deci (big) (small) (tiny) Symbol k h da m, L, g d c m Value 1,000 100 10 1 0.1 0.01 0.001 Basic LARGER smaller Unit Don’t forget ... • Measuring time in metric is the same as in the English system • seconds (main unit), minutes, hours • Instrument: stopwatch, clock

Temperature ... Degrees Celsius -- C (no prefixes) Instrument: Thermometer METRIC CONVERSION

Key to remember ... K ids k h ave h da maged da u nderwear Unit d uring m, L, g d c amp c m onths m Metric Conversion Steps k 1. Find the decimal point in the original number. h 2. Mark the start and stop steps da on the ladder. m, L, g d 3. Count the number of “jumps” and note the direction. c 4. Move the decimal point the same number of places in the same m direction.