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Published byGarey Brown Modified over 5 years ago

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**I. MEASUREMENTS A. ALL MEASUREMENTS MUST HAVE TWO PARTS 1. A NUMBER**

– TELLS HOW MUCH IS BEING MEASURED 2. A UNIT – TELLS WHAT IS BEING MEASURED EX: 1 gram 50 seconds mass time

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**A. Base Units – a unit based on an object or **

event in the physical world. B. Derived units – unit defined from a combination of several base units ex: Density = mass / volume units: g / L

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**Distance- the measure between two points**

Unit = meter (m) Instrument = ruler, meter stick, measuring tape A B longer distance C D shorter distance

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**Time- the measure of the interval between two events**

Unit = seconds (sec) Instrument- watch, stopwatch

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**Mass- the measure of the amount of material in an object**

Unit = gram (g) Instrument- balance less mass more mass more mass less mass

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**Volume- the amount of space an object occupies**

Unit = Liter (L) or cubic centimeters (cm³) or (cc) Instrument- graduated cylinder or ruler Formula: V = l x w x h (cube, rectangular prism)

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**Density- the measure of the amount of mass in a given volume**

Unit = grams or grams (g/L or g/cm³) liter cm³ D = mass volume Instrument- balance and graduated cylinder

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**Temperature- the amount of energy in the particles of a substance**

Unit = degrees Celsius (°C) , Fahrenheit (°F), Kelvin (K) Instrument- thermometer K = 273 -°C °F = °C(1.8)+32 °C = 273+K °C = °F-32 (1.8)

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**Area- the measure of the surface of an object**

Unit = centimeters squared (cm²) Instrument- ruler A = l x w (square, rectangle) A = pr (circle) outside of outside shell balloon of egg

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**Create a foldable with each of the 6 standards of measurement**

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