GCSE Physics Equation Sheet 2024: All the Cool Equations You Need!

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Jasmine

17/10/2022

Physics

Physics gcse energy

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Physics

Energy

Heating & cooling

GCSE Physics Equation Sheet 2024: All the Cool Equations You Need!

The document provides a comprehensive overview of key GCSE Physics equations and energy concepts, covering energy stores, transfers, and calculations. It explores various energy transfer mechanisms, efficiency, and renewable energy sources, making it an essential resource for students preparing for AQA Physics equation sheet GCSE Higher exams.

Key points:

Covers fundamental energy equations and concepts
Explains energy stores, transfers, and calculations
Discusses efficiency and power calculations
Explores heat transfer mechanisms: conduction, convection, and radiation
Introduces renewable energy sources

17/10/2022

15 TOPIC 3
ENERGY.
7
ENERGY STORES
> Chemical
> kinetic
gravitational
> clastic
EQUATIONS.
kinetic energy = 1/2* mass x speed
(J)
(kg)
(m/s)

Work, Power, and Efficiency

This section delves deeper into the concepts of work, power, and efficiency, providing detailed explanations and practical examples. It emphasizes the relationship between work done and energy transferred, and introduces the concept of power as the rate of energy transfer.

Definition: Work done is equal to energy transferred, expressed by the equation W = F × d $Work = Force × distance$ .

Example: The page presents a problem involving Jack doing 405 J of work while walking 15 m uphill, demonstrating how to calculate the force exerted.

Highlight: The concept of energy conservation is emphasized, stating that energy is never created or destroyed, only transformed into different forms.

Vocabulary: Sankey diagrams - Visual representations of energy transfer, where the width of arrows is proportional to the amount of energy transferred.

View

Conduction

This page focuses on the heat transfer mechanism of conduction, explaining the process at the particle level. It describes how heat energy is transferred through materials, particularly in solids, and why certain materials are better conductors than others.

Definition: Conduction is the transfer of heat energy through a material by the vibration of particles.

Highlight: Metals are good conductors due to the presence of free-moving delocalized electrons, which speed up the conduction process.

Example: The page contrasts metals with gases, explaining why gases are poor conductors due to the wide gaps between particles.

Vocabulary: Delocalized electrons - Free-moving electrons in metals that contribute to their high thermal conductivity.

View

Convection

This section explains the process of convection, another important energy transfer mechanism. It details how heat is transferred in fluids $liquids and gases$ through the movement of particles.

Definition: Convection is the transfer of heat energy in fluids through the movement of heated particles.

Highlight: The page emphasizes that convection occurs due to differences in density between heated and cooler parts of a fluid.

Example: The formation of convection currents is illustrated, showing how less dense, warmer fluid rises while denser, cooler fluid sinks.

Vocabulary: Convection currents - The circular motion of fluid caused by differences in temperature and density.

View

Radiation

This page covers radiation as the third main energy transfer mechanism. It explains how infrared radiation is emitted by objects and how different materials interact with this form of energy transfer.

Definition: Radiation is the transfer of energy through electromagnetic waves, primarily infrared for heat transfer.

Highlight: The page notes that hot objects emit and absorb more infrared radiation than cold objects.

Example: The document compares black and silver objects, explaining their different properties in emitting, absorbing, and reflecting infrared radiation.

Vocabulary: Infrared radiation - A type of electromagnetic radiation responsible for heat transfer without direct contact.

View

Evaporation

This section delves into the process of evaporation, explaining the mechanism at the particle level and factors affecting the rate of evaporation. It connects the concept to kinetic energy and temperature.

Definition: Evaporation is the process by which particles with high kinetic energy escape from the surface of a liquid.

Highlight: The page explains how evaporation leads to a decrease in the average kinetic energy of the remaining particles, resulting in a temperature drop.

Example: Factors affecting evaporation are discussed, including surface area, temperature, and humidity.

Vocabulary: Humidity - The amount of water vapor present in the air, which affects the rate of evaporation.

View

Renewable Energy Sources

The final page provides an overview of various renewable energy sources, explaining how each converts energy from one form to another to generate electricity.

Definition: Renewable energy sources are those that can be replenished naturally and used repeatedly to generate electricity.

Example: The page lists several renewable energy sources, including hydroelectric stations, wind farms, solar cells and panels, tidal and wave power, biomass, and geothermal power.

Highlight: Each energy source is briefly explained in terms of its energy conversion process, such as the conversion of gravitational potential energy to kinetic energy in hydroelectric stations.

Vocabulary: Biomass - Organic matter used as a fuel source for generating electricity.

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Subjects

Physics

Energy

Heating & cooling

Physics

•

2,075

•

17 Oct 2022

•

7 pages

GCSE Physics Equation Sheet 2024: All the Cool Equations You Need!

Jasmine

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Work, Power, and Efficiency

Definition: Work done is equal to energy transferred, expressed by the equation W = F × d $Work = Force × distance$ .

Example: The page presents a problem involving Jack doing 405 J of work while walking 15 m uphill, demonstrating how to calculate the force exerted.

Highlight: The concept of energy conservation is emphasized, stating that energy is never created or destroyed, only transformed into different forms.

Vocabulary: Sankey diagrams - Visual representations of energy transfer, where the width of arrows is proportional to the amount of energy transferred.

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Conduction

Definition: Conduction is the transfer of heat energy through a material by the vibration of particles.

Highlight: Metals are good conductors due to the presence of free-moving delocalized electrons, which speed up the conduction process.

Example: The page contrasts metals with gases, explaining why gases are poor conductors due to the wide gaps between particles.

Vocabulary: Delocalized electrons - Free-moving electrons in metals that contribute to their high thermal conductivity.

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Convection

This section explains the process of convection, another important energy transfer mechanism. It details how heat is transferred in fluids $liquids and gases$ through the movement of particles.

Definition: Convection is the transfer of heat energy in fluids through the movement of heated particles.

Highlight: The page emphasizes that convection occurs due to differences in density between heated and cooler parts of a fluid.

Example: The formation of convection currents is illustrated, showing how less dense, warmer fluid rises while denser, cooler fluid sinks.

Vocabulary: Convection currents - The circular motion of fluid caused by differences in temperature and density.

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Radiation

Definition: Radiation is the transfer of energy through electromagnetic waves, primarily infrared for heat transfer.

Highlight: The page notes that hot objects emit and absorb more infrared radiation than cold objects.

Example: The document compares black and silver objects, explaining their different properties in emitting, absorbing, and reflecting infrared radiation.

Vocabulary: Infrared radiation - A type of electromagnetic radiation responsible for heat transfer without direct contact.

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Evaporation

Definition: Evaporation is the process by which particles with high kinetic energy escape from the surface of a liquid.

Highlight: The page explains how evaporation leads to a decrease in the average kinetic energy of the remaining particles, resulting in a temperature drop.

Example: Factors affecting evaporation are discussed, including surface area, temperature, and humidity.

Vocabulary: Humidity - The amount of water vapor present in the air, which affects the rate of evaporation.

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Renewable Energy Sources

The final page provides an overview of various renewable energy sources, explaining how each converts energy from one form to another to generate electricity.

Definition: Renewable energy sources are those that can be replenished naturally and used repeatedly to generate electricity.

Example: The page lists several renewable energy sources, including hydroelectric stations, wind farms, solar cells and panels, tidal and wave power, biomass, and geothermal power.

Highlight: Each energy source is briefly explained in terms of its energy conversion process, such as the conversion of gravitational potential energy to kinetic energy in hydroelectric stations.

Vocabulary: Biomass - Organic matter used as a fuel source for generating electricity.

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Energy Stores and Equations

This page introduces the fundamental concepts of energy stores and key GCSE Physics equations. It covers various energy stores such as chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic, and nuclear. The page also presents essential equations for calculating kinetic energy, efficiency, thermal energy, elastic potential energy, electrical energy, and gravitational potential energy.

Vocabulary: Specific heat capacity - The amount of energy required to raise the temperature of 1 kg of a substance by 1°C $J/kg°C$ .

Example: The page provides an example of energy transfer in a camping stove, where chemical energy from fuel is converted to thermal energy.

Highlight: The efficiency equation is presented as $useful energy output / total energy input$ × 100, which is crucial for understanding energy conservation and transfer.

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GCSE Physics Equation Sheet 2024: All the Cool Equations You Need!

Work, Power, and Efficiency

Conduction

Convection

Radiation

Evaporation

Renewable Energy Sources

Similar content

Can't find what you're looking for? Explore other subjects.

Knowunity is the #1 education app in five European countries

Knowunity has been named a featured story on Apple and has regularly topped the app store charts in the education category in Germany, Italy, Poland, Switzerland, and the United Kingdom. Join Knowunity today and help millions of students around the world.

4.9+

21 M

#1

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Still not convinced? See what other students are saying...

I love this app so much, I also use it daily. I recommend Knowunity to everyone!!! I went from a D to an A with it :D

The app is very simple and well designed. So far I have always found everything I was looking for :D

I love this app ❤️ I actually use it every time I study.

GCSE Physics Equation Sheet 2024: All the Cool Equations You Need!

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Work, Power, and Efficiency

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Conduction

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Convection

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Radiation

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Evaporation

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Renewable Energy Sources

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Energy Stores and Equations

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