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Energy Exam Content
What's included
The Energy section of the AQA Physics specification covers key concepts related to the transfer, conservation, and efficiency of energy. It includes different energy stores (such as kinetic, thermal, chemical, and gravitational potential) and the ways energy can be transferred between them, including mechanical work, heating, and radiation. The specification also explores the principle of conservation of energy, energy dissipation, and how energy efficiency can be improved. Students learn about specific heat capacity, power, and work done, along with practical applications such as insulation and reducing unwanted energy transfers. The topic also covers renewable and non-renewable energy resources, including their advantages, disadvantages, and environmental impacts.
Atomic Structure Exam Content
What's included
The Atomic Structure section of the AQA Physics specification provides a comprehensive overview of the fundamental concepts of atomic theory and the nature of matter. Students explore the structure of the atom, including the roles of protons, neutrons, and electrons, as well as the concept of isotopes and their applications. The section also covers atomic models, such as the Bohr model, and explains how energy levels relate to electron transitions and the emission or absorption of electromagnetic radiation. Additionally, it delves into nuclear physics, discussing radioactivity, types of radiation (alpha, beta, and gamma), half-life, and the principles of radioactive decay. This section emphasizes the real-world applications of atomic structure, including nuclear energy, medical imaging, and the implications of radiation in both technology and health, providing students with a foundational understanding of how atomic interactions govern both the physical and chemical properties of matter.
Electricity Exam Content
What's included
The Electricity section of the AQA Physics specification covers key concepts related to electric circuits, current, potential difference, and resistance. It includes the definitions and relationships between charge, current, and potential difference, as well as Ohm’s Law and how resistance is affected by different factors, such as temperature and length of a wire. Students study series and parallel circuits, including the rules for current and potential difference in each type of circuit. The topic also explores electrical power and energy transfer, using equations to calculate power, resistance, and efficiency. Practical applications include the use of circuit components, such as resistors, thermistors, and LDRs. The section also covers domestic electricity, including the National Grid, mains electricity, plugs, and safety features. Finally, it introduces the concept of static electricity and electric fields.
Properties of Matter Exam Content
What's included
The Properties of Matter section of the AQA Physics specification covers the fundamental characteristics of solids, liquids, and gases. It includes the particle model, explaining how particles are arranged and behave in different states of matter. Students learn about density, how it is measured, and the differences in density between solids, liquids, and gases. The section also explores changes of state, including melting, freezing, boiling, and condensation, emphasizing that these are physical changes where mass is conserved. The concept of internal energy is introduced, explaining how energy is stored in a system and how heating affects temperature and state. The specific heat capacity and specific latent heat equations are covered, allowing students to calculate energy changes during heating and phase transitions. Additionally, the kinetic theory of gases is explored, linking temperature, pressure, and volume in gases through Boyle’s Law and the relationship between particle motion and pressure.