Choosing the right topic for your Internal Assessment (IA) can be challenging, but it's crucial for success in the IB program. This list of ideas is designed to be a springboard to inspire your own unique IA topics.

Each idea includes a brief description, difficulty rating, and relevant topics/approaches to consider, making it easier for you to select and refine your IA project. Use these suggestions as a starting point and adapt them to fit your interests and the specific requirements of your subject.

**Investigating Projectile Motion of a Thrown Ball**

- Difficulty: Easy
- Topics: Mechanics, projectile motion, kinematics

**Effect of Angle of Inclination on Acceleration**

- Difficulty: Moderate
- Topics: Mechanics, acceleration, angles

**Analyzing the Damping Effect in Oscillating Systems**

- Difficulty: Hard
- Topics: Mechanics, oscillations, damping

**Studying the Efficiency of Different Solar Panels**

- Difficulty: Moderate
- Topics: Energy, solar panels, efficiency

**Investigating the Relationship Between Voltage and Current in a Resistor**

- Difficulty: Easy
- Topics: Electricity, Ohm's law, resistors

**Effect of Wire Length on Electrical Resistance**

- Difficulty: Easy
- Topics: Electricity, resistance, wire length

**Analyzing the Behavior of Springs in Series and Parallel**

- Difficulty: Moderate
- Topics: Mechanics, springs, Hooke's law

**Investigating the Cooling Rate of Different Liquids**

- Difficulty: Easy
- Topics: Thermal physics, cooling, liquids

**Measuring the Speed of Sound in Air Using Resonance**

- Difficulty: Moderate
- Topics: Waves, sound, resonance

**Effect of Light Intensity on the Photoelectric Effect**

- Difficulty: Hard
- Topics: Quantum physics, photoelectric effect, light intensity

**Determining the Gravitational Field Strength Using a Pendulum**

- Difficulty: Moderate
- Topics: Mechanics, pendulum, gravitational field

**Analyzing the Factors Affecting Terminal Velocity**

- Difficulty: Hard
- Topics: Mechanics, terminal velocity, drag force

**Investigating Refraction of Light Through Different Media**

- Difficulty: Easy
- Topics: Optics, refraction, Snell's law

**Effect of Temperature on Electrical Conductivity of Metals**

- Difficulty: Moderate
- Topics: Electricity, conductivity, temperature

**Studying the Doppler Effect with Sound Waves**

- Difficulty: Moderate
- Topics: Waves, Doppler effect, sound

**Investigating Magnetic Fields Using Iron Filings**

- Difficulty: Easy
- Topics: Magnetism, magnetic fields, iron filings

**Analyzing the Efficiency of Different Insulating Materials**

- Difficulty: Moderate
- Topics: Thermal physics, insulation, materials

**Effect of Frequency on the Diffraction of Waves**

- Difficulty: Hard
- Topics: Waves, diffraction, frequency

**Studying Circular Motion in a Centrifuge**

- Difficulty: Moderate
- Topics: Mechanics, circular motion, centripetal force

**Investigating Electromagnetic Induction Using Coils**

- Difficulty: Moderate
- Topics: Electromagnetism, induction, coils

**Effect of Mass on the Period of a Simple Pendulum**

- Difficulty: Easy
- Topics: Mechanics, pendulum, mass

**Analyzing the Decay of Radioactive Materials**

- Difficulty: Hard
- Topics: Nuclear physics, radioactivity, decay

**Investigating the Polarization of Light**

- Difficulty: Moderate
- Topics: Optics, polarization, light

**Effect of Surface Area on Air Resistance**

- Difficulty: Easy
- Topics: Mechanics, air resistance, surface area

**Studying the Relationship Between Pressure and Volume in Gases**

- Difficulty: Easy
- Topics: Gas laws, pressure, volume