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Abi Science 2016 > Conversions and measurement > Flashcards

Conversions and measurement Flashcards

1
Q

What is the base measurement for time?

A

Seconds

s

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2
Q

What is mass?

A

The amount of matter in an object

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3
Q

What is volume?

A

The amount of space an object takes up

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4
Q

What is density?

A

Mass per unit volume

The distance between particles in an object

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5
Q

What is the base measurement for length?

A

Meters

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6
Q

What is the base measurement for electric current?

A

Ampere

A

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7
Q

What is the base measurement for temperature?

A

Kelvin

K

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8
Q

What is the base measurement for light intensity?

A

Candela

cd

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9
Q

What is the base measurement for the amount of matter in a substance?

A

Mole

mol

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10
Q

What is the base measurement for mass?

A

Kilogram

kg

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11
Q

What is the prefix for /1000?

A

Kilo

10^3

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12
Q

What is the prefix for /100 000?

A

Mega

10^6

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13
Q

What is the prefix for /100 000 000?

A

Giga

10^9

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14
Q

What is the prefix for x1000?

A

milli

10^-3

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15
Q

What is the prefix for x100 000?

A

micro

10^-6

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16
Q

What is the prefix for x100 000 000?

A

nano

10^-9

17
Q

What is the prefix for da?

A

deka

18
Q

What is the prefix for h?

A

hecto

19
Q

What is the prefix for k?

A

kilo

20
Q

What is the prefix for d?

A

deci

21
Q

What is the prefix for c?

A

centi

22
Q

What is the prefix for m?

A

milli

23
Q

What is the prefix for μ?

A

micro

24
Q

What is the prefix for n?

A

nano

25
Q

What is the prefix for M?

A

Mega

26
Q

What is the prefix for G?

A

Giga

27
Q

What is metric measurement based on?

A

The number ten

28
Q

What are derived units?

A

They are values that do not have base units, they can only measured by calculations.

29
Q

What are the derived units?

A

Volume
Density
Speed

30
Q

What is the measurement for volume?

A

Length x width x height

m^3

31
Q

What is the measurement for density?

A

Mass / volume

g/cm^3

32
Q

What is the measurement for speed?

A

Distance/time

km/h

33
Q

What is scientific notation?

A

It is a way of writing very large and very small numbers

34
Q

How do you write scientific notation?

A

Write the number as a decimal with a single digit before the comma
Write x10
The exponent will be however many places the comma jumped
If you have a really small decimal number to start with, your exponent will negative

35
Q

How do you convert measurements?

A

If you are converting from a small unit to a bigger unit, divide.
If you are converting from a big unit to a small unit, multiply.

36
Q

What is 0K in °C?

A

-273,15

Abi Science 2016 (16 decks)

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