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Measurement

Measurement. You are making a measurement when you Check you height Read the time Take your temperature Check the speed of the car What instruments would you use to do these?. Some Tools for Measurement. Measurement in Science. In science we do experiments measure quantities

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Measurement

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  1. Measurement You are making a measurement when you • Check you height • Read the time • Take your temperature • Check the speed of the car What instruments would you use to do these?

  2. Some Tools for Measurement

  3. Measurement in Science In science we • do experiments • measure quantities • use numbers to report measurements

  4. Learning Check What are some SI units that are used to measure each of the following? A. length B. volume C. weight D. temperature

  5. Metric System (SI) • A decimal system based on 10 • Used in most of the world • Used by scientists and hospitals

  6. Units in the Metric System • length metre m • volume litre L • mass gram g • temperature Celsius °C • time second s

  7. Stating a Measurement In every measurement there is a • Number followed by a • Unit from the measuring device

  8. little k = 1000

  9. 1 centimetre = 10 millimetres What is the length of the line in centimetres? _______cm What is the length of the line in millimetres? _______mm What is the length of the line to the nearest centimetre? ________cm HINT: Round to the nearest centimetre – no decimals. Measuring Length How many millimeters are in 1 centimetre? Ruler: http://www.k12math.com/math-concepts/measurement/ruler-cm.jpg

  10. 4cm x 4cm = 16 cm2

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