Physics · National 5

Nat 5 Physics Topics: Complete Guide 2026–27

The six areas of the 2026–27 National 5 Physics course are Dynamics, Space, Electricity, Properties of matter, Waves and Radiation. Together, they cover the core Physics you need to study, from motion, forces and energy to electricity, waves, space, heat, gases and nuclear radiation.

In our experience, students rarely struggle with Physics simply because they are incapable of understanding it. The real difficulty is usually more specific. A student may understand the lesson but struggle when the question is presented differently, know the formula but choose the wrong relationship, or understand the calculation but lose marks when they have to explain what the result means. We have not met a student yet who could not improve once we identified exactly where that gap was coming from.

Quick Answer: For 2026–27, National 5 Physics is organised into six areas: Dynamics, Space, Electricity, Properties of matter, Waves and Radiation. Your course work within these areas includes mechanics, astronomy, electrical circuits, thermal physics, wave phenomena and nuclear physics. SQA Physics Past Papers can show you how these areas are turned into actual exam questions, helping you move from knowing the material to using it under exam conditions.

National 5 Physics Course Content: The Six Areas

The six current areas are:

Dynamics
Space
Electricity
Properties of matter
Waves
Radiation

These areas cover more than formulas. You also need to solve problems, interpret information, carry out calculations, understand practical work and apply Physics to unfamiliar situations.

1. Dynamics

Dynamics focuses on motion, forces and energy. You need to understand how objects move, how forces affect motion and how energy is transferred.

Key topics include:

Vectors and scalars
Distance, displacement, speed and velocity
Velocity-time graphs
Acceleration
Newton's laws
Balanced and unbalanced forces
Mass, weight and gravitational field strength
Work done and energy
Gravitational potential and kinetic energy
Conservation and transfer of energy
Projectile motion

You should be able to read motion graphs, calculate speed and acceleration, explain the effect of forces and solve energy problems. For projectile motion, understand how horizontal motion and vertical acceleration combine.

2. Space

Space covers space exploration and cosmology, including objects in the Universe and how scientists study them.

Key topics include:

Planets, dwarf planets and moons
Stars, galaxies and the Universe
Space exploration
Satellites and their uses
Geostationary satellites
Electromagnetic radiation and spectra
Identifying elements in stars
The light-year
The Big Bang theory
The estimated age of the Universe

You should understand how satellites are used for communication, weather forecasting, navigation and research. You also need to explain how observations such as electromagnetic spectra provide information about astronomical objects.

3. Electricity

Electricity covers charge, circuits, components and electrical power. It combines calculations with circuit diagrams and practical understanding.

Key topics include:

Electrical charge carriers
Potential difference
Current and resistance
Ohm's law
Series and parallel circuits
Electrical power
Resistors
LEDs and diodes
Capacitors
Thermistors
Light-dependent resistors
Relays
Voltage-current characteristics

You should be able to interpret circuit diagrams, calculate electrical quantities and explain how components behave. Pay particular attention to voltage-current graphs, especially when a component does not have a linear relationship.

4. Properties of matter

This area focuses on heat, changes of state and gases.

Key topics include:

Specific heat capacity
Specific latent heat
Gas laws
The kinetic model
Pressure, volume and temperature

Know the difference between heating a substance and changing its state. Specific heat capacity relates to temperature change, while specific latent heat relates to a change of state without a temperature change.

For gases, understand the relationships between pressure, volume and temperature, including Boyle's law, Gay-Lussac's law and Charles' law. The kinetic model helps explain how changes in temperature affect particles and gas behaviour.

5. Waves

Waves focuses on wave properties, wave behaviour and electromagnetic radiation.

Key topics include:

Transverse and longitudinal waves
Frequency and period
Wavelength and amplitude
Wave speed
Diffraction
The electromagnetic spectrum
Sources, detectors and applications of electromagnetic radiation
Refraction of light

You should be able to calculate wave quantities and explain how waves behave. For refraction, remember that a wave can change speed and wavelength when entering a different medium, while its frequency remains unchanged. You should also connect different parts of the electromagnetic spectrum with their uses.

6. Radiation

Radiation focuses on nuclear radiation, its properties and its effects.

Key topics include:

Alpha, beta and gamma radiation
Ionisation
Penetration
Activity
Background radiation
Absorbed dose
Equivalent dose
Energy and mass
Radiation weighting factors

You should understand the differences between alpha, beta and gamma radiation, particularly their ionising and penetrating abilities. You also need to understand what different radiation measurements mean and how they are used. Comparing the three radiation types is particularly useful when answering questions about their properties and effects.

A Practical Revision Plan for the Course

Use the six areas as your starting checklist. For each topic, ask:

Can I explain it without my notes?
Can I use the correct relationship?
Can I apply it to an unfamiliar question?

Use this revision cycle:

Understand → Practise → Check → Correct → Repeat

When you get a question wrong, identify the reason. It could be a Physics concept, relationship, graph, unit, calculation or interpretation problem.

This makes revision more targeted than simply completing large numbers of questions. Because the course requires you to apply knowledge, solve problems, process information and work with practical or scientific situations, practice should test how well you can use your knowledge, not just remember it.

Assessment Updates and Exam Format 2026–27

The course assessment has changed for session 2026–27.

The current assessment includes:

Question paper: 110 marks, 2 hours
Assignment: 20 marks, with a scaled mark of 28
Scaling has been removed from the question paper

The question paper contains 20 marks in Section 1 and 90 marks in Section 2. The current specification states that most question-paper marks assess the application of knowledge and understanding, with other marks assessing scientific inquiry and analytical thinking skills.

This matters when revising. Older past papers can still help you practise Physics concepts and question styles, but students preparing for 2026–27 should also use the current specimen paper and assessment information rather than assuming the older paper structure is unchanged. Qualifications Scotland provides current past papers, marking instructions and the 2026 specimen materials.

Understanding the Older Three-Unit Structure

You may still find resources labelled:

Physics: Dynamics and Space
Physics: Electricity and Energy
Physics: Waves and Radiation

This can cause confusion when researching the current course.

These are freestanding SCQF Level 5 Physics units. They remain available as freestanding units, but Qualifications Scotland states that they no longer contribute to achievement of a National Course.

For the current National 5 Physics course, use the six-area structure:

Dynamics → Space → Electricity → Properties of matter → Waves → Radiation

Quick Checklist for Your Physics Revision

Before the exam, work through each area and tick the topics you feel confident with. Leave anything you are unsure about unticked and return to it during revision.

Dynamics

☐ Motion
☐ Motion graphs
☐ Acceleration
☐ Forces
☐ Energy
☐ Projectile motion

Space

☐ Space exploration
☐ Satellites
☐ Spectra
☐ Cosmology
☐ The Universe

Electricity

☐ Charge
☐ Voltage
☐ Circuits
☐ Ohm's law
☐ Electrical power
☐ Electronic components

Properties of matter

☐ Specific heat capacity
☐ Specific latent heat
☐ Gas laws
☐ Kinetic model
☐ Pressure, volume and temperature

Waves

☐ Wave properties
☐ Wave behaviour
☐ Electromagnetic radiation
☐ Refraction
☐ Diffraction

Radiation

☐ Nuclear radiation
☐ Ionisation
☐ Penetration
☐ Activity
☐ Background radiation
☐ Radiation dose

For each topic, check whether you can explain the idea, choose the correct relationship, complete a calculation and apply it to an unfamiliar question.

If you can recognise a topic but struggle to answer questions on it, leave it unticked and give it more practice. Being familiar with a topic is not the same as being exam-ready.

Get the Right Support for Your Physics

If you understand some Physics topics but still struggle with questions, calculations or exam confidence, focused support can help you identify the gaps and work on them properly. Excel In MathSci focuses on understanding concepts, applying them to questions and building stronger exam skills.

If you're looking for support with your Nat 5 Physics preparation check Expert Physics Tutor in Glasgow, explore the tutoring options and find the level of help that suits you.

Frequently Asked Questions

Why do I know the Physics but still get questions wrong?

Knowing the topic is only the starting point. You also need to recognise what the question is testing and apply the correct idea, relationship, graph or calculation.

Is Nat 5 Physics mostly about memorising formulas?

The course requires you to understand and apply relationships, not just memorise them. Knowing when and why to use a relationship is more important than recalling it alone.

What are the hardest Nat 5 Physics topics?

The hardest area varies by student. Topics become difficult when you struggle with calculations, graphs or applying ideas to unfamiliar questions.

How do I know which Physics formula to use?

Start by identifying what the question asks you to find and what information you are given. Then choose the relationship that connects those quantities and check the units.

What should I do if I am behind with Nat 5 Physics revision?

Identify the areas you know, partly know and do not know. Focus on the weakest areas first, review the key ideas and practise questions straight away.

How can I improve if I keep running out of time in the Physics exam?

Practise with timed questions using the current 110-mark, 2-hour format. Review where you lose time and practise answering efficiently without getting stuck on one question.

Ready to enrol?

Get matched with a National 5 Physics specialist

Tell us your student’s level — we’ll come back the same day with availability and a clear quote.

Find My Tutor Call 07577 482130