Physical Quantity

Physical quantity

SI units

Length Mass Time Temperatur e Electrical current

What is length?  Distance

points

between two

Length

Common units used for measuring length 

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1 mm = __________cm = _________m = _______km ______mm = 1 cm = ______m = ______km ______mm = ______cm = 1 m = ______km ______mm = ______cm = _______m = 1 km

Common units used for measuring length 

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1 mm = 0.1 cm = 1 x 10-1= 0.001m = 1 x 10-3 = 0.000001 km = 1 x 10-6 10 mm = 1 cm = 0.1 m = 0.0001 km 1000 mm =100 cm = 1 m = 0.001 km 100000 mm = 1 x 105 = 10000 cm = 1 x 104 = 1000 m = 1 km

Time

Mass

Mass

Temperature

Temperature

Electric current

Electric current

Electric current

Physical quantities

Physical quantities

Physical quantities

Physical quantities

DERIVATIVES UNITS

AREA  

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total surface of an object For regular surface like square – can be calculated by using formulae. For irregular shape like leaves – estimate by using graph paper. complete boxes + equal to half or more than half ≠ area

Calculate you palm by using a 1cm2

VOLUME 

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Space occupied by an object / total space of an object. Unit in cubic meter m3 Using formulae for regular solid objects Measuring cylinder, burette, pipette and measuring flask. Eyes – same level – bottom of the meniscus ( oil, water, alcohol) / top of the meniscus (mercury)

Prefixes

Prefixes

Prefix Symbol Numerical value Giga G 1 000 000 000 Mega M 1 000 000 Kilo k 1 000

Prefixes

Prefix Symbol Numerical value Deci d 0.1 Centi c 0.01 Milli m 0.001

Prefix Symbol Numerical value Micro µ 0.000 001 Nano n 0.000 000 001 Piko p 0.000 000 000 001

Question :

Answer :

Question :

Answer