What is the definition of AM ?

AM is the time between midnight (12am) and midday (12pm).

How many days are there in a year?

There are 365 days in a normal year and 366 days in a leap year.

What time does an analogue clock work in?

An analogue clock measures works in 12 hour time.

What is the definition of PM ?

PM is the time between midday (12pm) and midnight (12am).

What time does a digital clock work in?

A digital clock works in 24 hour time.

Define the term unit conversion .

A unit conversion is the process of converting from one unit of measure to another unit of measure.

True or false? To convert between two metric units of measure, you must multiply or divide by powers of 10 .

True. To convert between two metric units of measure, you must multiply or divide by powers of 10 .

What type of quantity is measured using cubic units?

Cubic units are units used to measure volume .

True or False? To convert between cubic units, you must multiply or divide by the normal unit conversion rate .

False. To convert between cubic units, you must multiply or divide by the 'cubed' conversion rate .

What type of units are used to measure area ?

Square units are used to measure area .

True or false? To convert between square units, you must multiply or divide by the 'squared' conversion rate .

True. To convert between square units, you must multiply or divide by the 'squared' conversion rate .

Define the term compound measure .

A compound measure is something calculated using more than one measurement , e.g. speed.

True or false? Speed is the measure of how much distance changes per unit of time .

True. Speed is the measure of how much distance changes per unit of time .

Define the term density .

Density is the measure of how heavy something is per unit of volume or area .

True or False? Pressure is measured in Pascals (Pa) .

True. Pressure is measured in Pascals (Pa) .

What is an example of a compound measure ?

Any one of the following is a common compound measure : speed, density, pressure, flow rate and population density.

Define the term population density .

Population density is the measure of how many people there are per unit of area .

True or False? Speed is measured in kg/m .

False. Speed is measured in units like m/s or km/h .

IGCSEMaths A: HigherEdexcelFlashcards

Standard & Compound Units (Edexcel IGCSE Maths A)

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What is the definition of AM?
AM is the time between midnight (12am) and midday (12pm).
What is the equation that converts from minutes to hours?
The equation that converts hours to minutes is $Hours = Minutes \div 60$
How many days are there in a year?
There are 365 days in a normal year and 366 days in a leap year.
What time does an analogue clock work in?
An analogue clock measures works in 12 hour time.
What is the definition of PM?
PM is the time between midday (12pm) and midnight (12am).
What is the equation that converts hours to minutes?
The equation that converts hours to minutes is $Minutes = Hours \times 60$
How many hours are there in one day?
A day has 24 hours.
What time does a digital clock work in?
A digital clock works in 24 hour time.
How many days are in a week?
There are 7 days in a week.
Define the term unit conversion.
A unit conversion is the process of converting from one unit of measure to another unit of measure.
True or false?
To convert between two metric units of measure, you must multiply or divide by powers of 10.
True.
To convert between two metric units of measure, you must multiply or divide by powers of 10.
What is the equation used to convert kilometres to metres?
The equation used to convert kilometres to metres is $Metres = Kilometres \times 1000$ .
What type of quantity is measured using cubic units?
Cubic units are units used to measure volume.
True or False?
To convert between cubic units, you must multiply or divide by the normal unit conversion rate.
False.
To convert between cubic units, you must multiply or divide by the 'cubed' conversion rate.
What type of units are used to measure area?
Square units are used to measure area.
True or false?
To convert between square units, you must multiply or divide by the 'squared' conversion rate.
True.
To convert between square units, you must multiply or divide by the 'squared' conversion rate.
What is the equation used to convert millilitres to litres?
The equation used to convert millilitres to litres is $Litres = \frac{Millilitres}{1000}$ .
Define the term compound measure.
A compound measure is something calculated using more than one measurement, e.g. speed.
True or false?
Speed is the measure of how much distance changes per unit of time.
True.
Speed is the measure of how much distance changes per unit of time.
Define the term density.
Density is the measure of how heavy something is per unit of volume or area.
What is the equation used to calculate speed?
The equation used to calculate speed is $Speed = \frac{Distance}{Time}$
True or False?
Pressure is measured in Pascals (Pa).
True.
Pressure is measured in Pascals (Pa).
What is an example of a compound measure?
Any one of the following is a common compound measure: speed, density, pressure, flow rate and population density.
What quantity could be measured with the units kg/cm³?
The units $kg / {cm}^{3}$ would be used to measure density (mass per volume).
Define the term population density.
Population density is the measure of how many people there are per unit of area.
What is the equation used to calculate pressure?
The equation used to calculate pressure is $Pressure = Force \div Area$
True or False?
Speed is measured in kg/m.
False.
Speed is measured in units like m/s or km/h.

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