Mat 2 - Scientific measurement Flashcards by Jessie Green

What are the base units of the British metric system ?

Metres

Litres

Grams

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How many cm in an inch ?

2.54

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How many inches in a foot ?

1 foot = 12 inches

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How many feet in a yard ?

3 feet = 1 yard

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How many feet in a mile ?

5280 feet in a mile

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How many metres in a mile ?

1600 metres = 1 mile

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How many ounces in a lb ?

16 ounces = 1 lb

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How many lbs in a ton ?

2000 lbs = 1 ton

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What are the 3 base units of the British metric system ?

litre

Metre

Gram

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What are SI units ?

The modern form of the british metric system

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Is the litre an SI unit ? Why ?

the SI unit for volume is the cubic metre (cc)

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What is 1 litre in CC ?

1000 cubic centimetres

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What is 1 CC in ml ?

1 ml = 1 cubic centimeter

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What is the SI unit of length ?

(m)

Metres

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What is the SI unit of mass ?

Kilograms

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What is the SI unit of time ?

Seconds

What is the SI unit of electrical Current ?

Amperes

(A)

What is the SI unit of thermodynamic temperature ?

Kelvin

What is the SI unit for the amount of a substance ?

Mole

mol

What is the SI unit for area ?

Square metre

m²

What is the SI unit of volume ?

m³

What is the SI unit for speed and velocity ?

m/s

What is the SI unit for acceleration ?

Metre per second squared

m/s²

What is the SI unit for frequency ?

Hertz

What is the SI unit for force ?

Newton N m•kg•s^-2

What is the SI uit for pressure or stress ?

Pascal Pa N/m²

What is the SI unit for energy, work and quantity of heat ?

Joule j N•m m²•kg•s^-2

What is the SI unit for power ?

Watt W J/s m²•kg•s^-3

What is the SI unit for electric charge, or quantity of electricity ?

Coulomb C s•A

What is the SI unit for electrical potential difference, or the electromotive force ?

Volts v W/A m²•kg•s^-3•A^-1