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Come on with measurement!

Join us in this educational journey to delve into the world of measurement! Explore various physical quantities, units, and systems, from mass to temperature. Engage in fun activities and exercises to enhance your understanding and skills in measurement.

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Come on with measurement!

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  1. Come on with measurement! by Rosanna Federa

  2. Warm- up: brainstorming • Form group of 4-5 student and write down all the English words you know about measurement ( 10 minutes ) • At the end we are collecting them all together • IN ENGLISH PLEASE!!

  3. Groups results • Density lenght weight size volume grade kelvin Celsius Fahrenheit • width chemistry • Scale temperature • Metre/meter litre/liter centimetre time mass second minute libre

  4. https://www.youtube.com/watch?v=XN7yJ_0IGBA Comprehension activity Answer the following questions or fill in the gaps: 1.What does measure things allow us to do? 2.The better we measure, the better ...... 3.What is infested the raging river in the chasm with? 4.What can we measure in human body?

  5. Cookmetric

  6. A recipe is similar to a lab report: we have to describe every passage very carefully!!! http://www.infoplease.com/spot/cookmetric1.html

  7. MEASUREMENT • Process of associating numbers with physical quantities and phenomena. • To measure something you need • an instrument, • a quantity to measure • a quantity of the same type of the one you have to measure This last is called measurement unit

  8. SI- THE INTERNATIONAL SYSTEM • SI: International decimal system of measures, derived from the metric system • Adopted by the 11th General Conference on Weight and Measures in 1960 • It is abbreviated SI in all languages

  9. SI - The International systemBase units

  10. PAY ATTENTION!!

  11. PHYSICAL QUANTITIES • MASS (m) Resistance that a body offers to a change in its speed or position upon the application of a force. The greater the mass of a body, the smaller the change produced by an applied force. • WEIGHT (W) Related to mass, but different from it. Weight is the force exerted on matter by the gravitational attraction and so it varies from place to place. W = m x g g= acceleration of gravity

  12. DIFFERENCES btw MASS-WEIGHT

  13. PHYSICAL QUANTITIES • VOLUME (v) Space occupied by a body; it is measured and expressed in different ways for solids and liquids https://www.youtube.com/watch?v=e0geXKxeTn4

  14. mini-task • Describe the displacement method, working in group

  15. PHYSICAL QUANTITIES • DENSITY (d) mass of a unit volume of a material substance, expressed as kilograms per cubic metre (kg/m3) in SI, or in g/cm3. d=m/v • Specific for every substance • Reversal formulas: m=d x v v= m/d

  16. Exercises • Find the density of a body with mass=162 g and volume=279 cm3 • Find the mass of a body with density= 1,28 kg/m3 and volume= 0,32 m3 • Find the volume of a body with mass= 2,04 Kg and density=5,5g/cm3

  17. PHYSICAL QUANTITIES • TEMPERATURE (T) It indicates the particles movement: a hot body particles vibrate faster than a cold body ones • It is measured using different temperature scales FAHRENHEIT (°F) CELSIUS (°C) KELVIN (K)

  18. US customary vs Imperial units https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/u-s-customary-and-metric-units

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