MEASUREMENTS. IMPORTANCE OF MEASURMENT QUANTITATIVE INFORMATION IS MORE USEFUL THAN QUALITATIVE (DESCRIPTIVE) INFORMATION. QUANTITATIVE INFORMATION GIVES.

Slides:

Advertisements

Similar presentations

Measurement Measurement  SI Standard System of International Units or Metric System  Uses 10 as a base  Always estimate one unit/place further than.

Advertisements

Using Scientific Measurement

Context and definition

Measurement By Miss Buicke.

CHEMISTRY IS LARGELY A QUANTITATIVE SCIENCE

MEASURING INSTRUMENT S

Quantitative information (qualitative data would be descriptions of your observations). Measurements represent quantities (something that has magnitude,

The Metric System Catherine Le (Ilona Davies) The Harker School

Measurement and Dimensional Analysis. The Importance of Measurement A.Measuring is a fundamental skill of science. B.Without measurements we could not.

Measurement In Chemistry

Metric Measurement, Scientific Notation, & Sig Figs

Unit 2: Measuring and Calculating

Introduction to Chemistry.  No eating or drinking!  Wear goggles at all times!  Use common sense!

Physical Science Pages 14-20

Unit 1A: Measurement In Chemistry

CHEMISTRY IS LARGELY A QUANTITATIVE SCIENCE Theories and ideas are tested by measurement Measurements are usually quantitative – have numbers Science is.

Units of Measurement Many properties of matter are quantitative, they are associated with numbers Always specify units when expressing a measured quantity.

August 18,  Why is it important for scientists to use the same system/units of measurement? GUIDING QUESTION #1.

Metric Measurement Lab 2.

MEASUREMENTS AND CONVERSIONS. METRIC BASE UNITS Length – Meter (m) Mass – Gram (g) Volume – Liter (L) Time – Seconds (s) Temperature – Kelvin (K) Celsius.

SMJ 4222 Instrumentation (02 & 07) Dr Intan Zaurah Mat Darus.

1-2 Describing Matter. MATTER anything that has mass and volume.

The Metric System Is used in nearly every country around the world. The United States of America doesn’t use the metric system for it’s primary measurement.

METRIC NOTES. WHO USES METRICS?  The entire world uses the metric system except: the United States, Burma and Liberia.  Used in science world-wide.

SI Units Of Measurements

WEEEK 3 MEASURING INSTRUMENTS. MEASUREMENT OF TIME All day to day activities involve the idea of time. To measure time instruments are needed. In the.

THE METRIC or INTERNATIONAL SYSTEM of MEASUREMENT (SI) Scientists all over the world need to ‘communicate’ with each other. To do this easily, they use.

Metric Measurements Living Environment. Objectives Convert between various metric units. Accurately measure length, volume, mass, and temperature.

SCIENTIFIC MEASUREMENT

Measurements in Science Chapter 1. Accuracy and Precision Accuracy: A description of how close a measurement is to the true value of the quantity measured.

CHEMISTRY IS LARGELY A QUANTITATIVE SCIENCE Theories and ideas are tested by measurement Measurements are usually quantitative – have numbers Science is.

Chapter 2 - Introduction to instruments and units used.

SI Base units Length in meters (m) Mass in grams (g) Volume in liters (l) or meters cubed (m 3 ) Time in seconds (s) Temperature in degrees Celsius (°C)

Systems of Measurement

The Metric System An easy way to measure SI System The International System of Units Derived Units Commonly Used in Chemistry Area and Volume: Derived.

10. Tools Used to Measure. A. Length (m)– straight line distance between two points.

Measurement. Every Measurement Consists of two things ● ___________________.

A universal language of measurement

Measuring Measuring Length, Mass, and Volume. How long is the following? Ans. 7.7 cm.

 An understanding of uncertainty is an important pre-requisite for students in an introductory physics course to fully comprehend scientific measurement.

Catalyst If I wanted to accurately measure 150 mL of potassium chloride solution, what measuring device would I use?

UNIT 1A: MEASUREMENT IN CHEMISTRY. MEASUREMENT AT THE CONCLUSION OF OUR TIME TOGETHER, YOU SHOULD BE ABLE TO: 1. Explain the difference between the two.

Collecting Evidence Introduction to Measurement Chemistry and Physics of Forensics.

UNITS OF MEASUREMNT Integrated Science Mrs. Morehouse

Measurement and the Metric System. Metric System -Universal method of measuring used in science and medicine -Based on units of 10 -Used to measure length,

1cm Sand Meter Stick BalanceSpring ScaleGraduated Cylinder Mass/Volume The SI system It is a group of units used by scientists to measure length, mass,

Chapter One Introduction. What is Chemistry? Chemistry is Matter is anything that occupies space and has mass Thus Matter is everything around us. Chapter.

Unit 0: Working as a Scientist – Significant Figures AGENDA: DO NOW NOTES WHITE BOARDING LAB GOAL: I can properly record and calculate data with proper.

Metric System. Scientist need a common system of measurement: The metric system. Scientist need a common system of measurement: The metric system. AKA:

SI System International System of Units Taking Measurements.

Chapter 3: Scientific Measurement i.Math Review– ii.Uncertainty— significant figures & percent error iii.Units— SI units & metric system iv.Conversions.

Units and Measurement Physical Science. Measurement How tall are you? How tall are you? How old are you? How old are you? A number without a unit is meaningless.

Units and Measurement Physics Mrs. Coyle International Space Station

Chapter 2: Measurement.

Respond in writing to the following quote:

Measurement “The most remarkable discovery ever made by a scientists was science itself.” Jacob Bronowski.

Units and Measurement Chemistry Mrs. Coyle.

Metrics System Practice Quiz.

Chemistry and Math!.

Performing Biological Investigations

Measurements and Conversions

CHEMISTRY 161 Chapter 3 Measurements.

Flashcards for Unit 1.

1-2 Describing Matter.

1.2 Scientific Method.

Measurements and Conversions

1-2 Describing Matter.

Mr. Fetch's Earth Science Class

Presentation transcript:

MEASUREMENTS

IMPORTANCE OF MEASURMENT QUANTITATIVE INFORMATION IS MORE USEFUL THAN QUALITATIVE (DESCRIPTIVE) INFORMATION. QUANTITATIVE INFORMATION GIVES SPECIFIC INFORMATION. QUALITATIVE INFORMATIONQUANTATIVE INFORMATION GIVE ME LITTLE WATER.GIVE ME 200ml OF WATER. GIVE ME SOME MONEY.GIVE ME 20 RUPEES. I ATE SUFFICIENT FOOD.I ATE 2 CHAPATTIS.

IDENTIFY QUANTITATIVE & QUALITATIVE INFORMATION…. 1) WE GOT GOOD YIELD OF CROP. ___________________ 2) WE GOT 5 QUINTALS OF RICE. ___________________ 3) THIS YEAR THERE IS ENOUGH RAIN. ____________________ 4) THIS YEAR WE GOT 500mm RAIN. ____________________ 5) THIS CONSTRUCTION NEEDS LOT OF CEMENT. ____________________ 6) THIS CONSTRUCTION NEEDS 5 BAGS OF CEMENT. __________________________

MEASURING UNIT AND IT’S PARAMETERS PARAMETERBRITISH UNITSI UNITS WEIGHT POUNDKILOGRAMS VOLUME GALLONLITERS DISTANCE YARD, MILES, INCHESMETERS TIME SECOND

INTERNATIONAL STANDARD UNITS BASE UNITS- SIMPLE MEASUREMENTS FOR TIME, LENGTH, MASS, TEMPERATURE, ELECTRIC CURRENT AND LIGHT INTENSITY. DERIVED UNITS- MADE UP OF BASE UNITS, COMBINATION OF UNITS.

Meter & its multiple units micrometer = m mm = m cm = 0.01 m meter Decameter = 10 m Hectometer = 100 m Kilometer = 1000 m Mega meter = 10 6 m

Derived units NAMESYMBOL LENGTHMETERM MASSGRAMGm TIMESECONDS ELECTRIC CURRENT AMPEREA TEMPERATUREDEGREE CENTIGRADE 0C0C

SPEEDDISTANCETIME DERIVED UNITS ARE CALCULATED AS FOLLOWS: UNIT OF SPEED = ? SPEED = DISTANCE / TIME SPEED = M / S

AREA OF SQUARE = LENGTH * BREADTH A [SQUARE]LENGTHBREADTH UNIT OF AREA = ? UNIT OF AREA = M * M = M 2

DERIVED UNITS & THEIR SYMBOL NAMES DERIVED QUANTITYNAMESYMBOL AREASQUARE METERm2m2 VOLUMECUBIC METERm3m3 SPEED, VELOCITYMETER PER SECONDm/s ACCELERATIONMETER PER SECONDm/s 2 DENSITYMASS PER VOLUMEKg/ m 3

CONVERT FOLLOWING: 50cm = _________m 5.5km= _________m 1600m = _________km 102mm = _________m 500gm ? Observe different weight & answer:

FACTORS AFFECTING MEASUREMENT: READING TAKEN BY THE INDIVIDUALS. THE WAY OF MEASUREMENT. ALERTNESS OF INDIVIDUAL & CARE TAKEN BY HIM IN MEASUREMENT. ERROR DUE TO VARIATION IN THE MEASURING INSRTUMENT.

LEAST COUNT SCALE ?______ SELECTION OF INSTRUMENT DEPENDS ON THE ACCURCY REQUIRED. WRIST WATCH TAPE, SCALE. WEIGH BRIDGE. SIMPLE BALANCE.

NAME PROPER INSTRUMENTS TO MEASURE FOLOWING JOBS: JOBINSRTUMENTS DIAMETER OF ROD CURRENT TEMPERATURE MEASURE WEIGHT WRITE DOWN LEAST COUNT OF FOLLOWING INSTRUMENTS: VERNIER CALIPER= ____________ METER TAPE= ____________ WRIST WATCH = ____________