AQA PHYSICS COMBINED SCIENCE PAPER 1
An Object Or Group Of Objects
System
_______ Energy Is The Total Kinetic Energy And Potential Energy Of All Particles That Make Up A
System
Internal
The Idea That There Is The Same Amount Of Energy Befire And After It Is Transferred
Conservation Of Energy
Energy Cannot Be ------- -- ---------
Created Or Destroyed
= 0.5 X Mass X (Speed)^2
Kinetic Energy
Type Of Energy Stored In A Stretched Spring
Elastic Potential Energy
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,= Mass X Gravitational Field Strenght X Height
Gravitational Potential Energy
= Force X Distance
Work
The Rate At Which Energy Is Transferred Or The Rate At Which Work Is Done?
Power
What Is The Unit For Power?
Watt
1000,000 Watts=
Megawatt
1000 Watts=
Kilowatt
2|Page
, The Amount Of Energy Required To Raise The Temperature Of One Kilogram Of The Substance
By One Degree Celsius
Specific Heat Capacity
How To Reduce Unwanted Energy Transfer Due Heat Loss
Thermal Insulation
When A Layer Of Gas Is Trapped Between 2 Layers Of Glass
Double Glazing
The Higher The ------- ------------ Of A Material The Higher The Rate Of Energy Transfer By
Conduction Across The Material
Thermal Conductivity
=Useful Energy Output / Total Energy Input
Efficiency
How To Reduce Unwanted Energy Transfer Due To Friction Of Moving Parts
Lubrication
An Energy Resource That Is Being (Or Can Be) Replenished As It Is Used
3|Page
An Object Or Group Of Objects
System
_______ Energy Is The Total Kinetic Energy And Potential Energy Of All Particles That Make Up A
System
Internal
The Idea That There Is The Same Amount Of Energy Befire And After It Is Transferred
Conservation Of Energy
Energy Cannot Be ------- -- ---------
Created Or Destroyed
= 0.5 X Mass X (Speed)^2
Kinetic Energy
Type Of Energy Stored In A Stretched Spring
Elastic Potential Energy
1|Page
,= Mass X Gravitational Field Strenght X Height
Gravitational Potential Energy
= Force X Distance
Work
The Rate At Which Energy Is Transferred Or The Rate At Which Work Is Done?
Power
What Is The Unit For Power?
Watt
1000,000 Watts=
Megawatt
1000 Watts=
Kilowatt
2|Page
, The Amount Of Energy Required To Raise The Temperature Of One Kilogram Of The Substance
By One Degree Celsius
Specific Heat Capacity
How To Reduce Unwanted Energy Transfer Due Heat Loss
Thermal Insulation
When A Layer Of Gas Is Trapped Between 2 Layers Of Glass
Double Glazing
The Higher The ------- ------------ Of A Material The Higher The Rate Of Energy Transfer By
Conduction Across The Material
Thermal Conductivity
=Useful Energy Output / Total Energy Input
Efficiency
How To Reduce Unwanted Energy Transfer Due To Friction Of Moving Parts
Lubrication
An Energy Resource That Is Being (Or Can Be) Replenished As It Is Used
3|Page
