IB Physics IA examples

Investigating the effect of mass and radius on the angular velocity of a moving cartwheel

How does the temperature of water affect the force of buoyancy experienced by an aluminium block immersed in it?

How does the frequency of a sound wave (200, 300, 400, 500, 600, 700, 800, 900, 1000 Hz) affect its attenuation coefficient?

How does the varying moisture of grass (No rain, 3mm, 6mm, 10mm, 15mm) affect its kinetic coefficient of friction with a soccer ball, as calculated from the soccer ball's displacement measured using a trundle wheel?

How does varying the tension in a stretched string affect the resonant frequency of the 2nd harmonic standing wave?

How does the concentration of salt in H2O(l) affect the buoyant force acting upon a boat?

In what ways does changing the velocity of air contacting an isolated flat plate wing affect the lift force generated when placed in a wind tunnel?

How does the efficiency of an electric motor vary with different power inputs with the help of joule’s experiment?

How does varying densities of water, altered by varying masses of potassium chloride (0g, 3g, 6g, 9g, 12g, and 15g) in water affect its cooling rate?

Determining a 4.5 V zinc battery's internal resistance

How does the temperature of honey affect its viscosity?

What is the relationship between the acceleration of a golf ball sliding down a table and the angle of incline, and what does this relationship tell us about the moment of inertia of the ball?

How does the varying concentrations of Salt (0.5g,1.0g,1.5g,2.0g,2.5g) dissolved in water impact the resistance in water, calculated by the measured change in Voltage (V) using a multimeter?

How does the coefficient of friction (µ) between the surfaces of a material (tinfoil, paper tape, cloth, cardboard, sandpaper) and an object (plastic ball) affect its acceleration on a fixed 20-degree incline (0.60 m)?

How does the internal pressure (110, 120, 130, 140, 150, 160, 170, 180, 190, 200, 210, 220) in kPa of a basketball affect its initial rebound height when measured with digital recording, and thus its elasticity of bounce upon calculation?

How does the concentration of sugar (0% - 50%) influence the refractive index of the solution?

How does the specific heat capacity of water vary with its salinity?

What is the relationship between the resistance of a resistor and the efficiency of a basic electrical circuit

How does inclination angle affect the acceleration of a block sliding up and down an incline, and what is the coefficient of dynamic friction between metal and wood?

How does increasing tension (1.36N, 2.34N, 3.32N, 4.30N) in a string affect the fundamental frequency produced by a stationary wave generator?

How does increasing the tension in an electric guitar string affect its fundamental frequency, as measured using a digital tuner?How does increasing the tension in an electric guitar string affect its fundamental frequency, as measured using a digital tuner?

How does the air pressure inside a size 7 basketball (4, 6, 8, 10, 12 psi) affect its coefficient of restitution measured through its rebound height?

How does the variation in the frequency of an external acoustic source influence the resonance length in an open-ended resonance tube, and what implications does this have for the underlying principles of wave interference and standing wave formation?

What is the effect of an increasing distance from the pivot to the centre of the bob (6, 8, 10, 12, 14cm) in a simple pendulum on its period (s) from a constant height as measured by the average period of an oscillation?

How does temperature (30.00, 40.00, 50.00, 60.00, 70.00, 80.00°C) affect the electrical resistance (Ω) of a standard 0.3m long conductor copper wire compared to a TEC1-12706 semiconductor Peltier device?

How does the temperature of a metal wire affect its electrical resistivity?

How do varying temperatures, 15, 25, 35, 45 and 55C, affect the viscosity of Acacia Honey, as measured through a falling ball viscometer experiment and recorded through digital photo analysis?

How does varying the temperature of a copper wire (25.0, 100.0, 125.0, 150.0, 175.0, 200.0 °C) impact its resistance (Ω) measured by a multimeter (200 Ω) and an infrared thermometer?

How does the mass of a marble (0.0050, 0.0100, 0.0150, 0.0200, 0.0250 kg) affect its vertical terminal velocity in a water container when dropped from a constant height measured using video analysis software?

How does the length of a beam (0.100 m, 0.125 m, 0.150 m, 0.175 m, 0.200 m, 0.225 m, 0.250 m) affect the sag (δ) produced as measured by adding a known mass?

How does the height to which water is filled in a bottle (5.50, 7.20, 8.90, 10.60. 12.30, 14.00, 15.70 cm) affect the volume of water lost (in cm^3 ) and hence the volumetric flow rate (in cm^3 s^-1 )?

What is the effect of increasing tension (25 N, 29 N, 33 N, 37 N, 41 N, 45 N, and 49 N) on the fundamental frequency of an electric guitar string as measured by analyzing the produced sound via a digital tuner?

What is the effect of increasing graphite content (50%, 55%, 60%, 63%, 71%, 74%, and 79%) on the electrical conductivity of the core of a pencil as measured by the resistance across the pencil’s ends?

What is the effect of increasing mass (2.0, 4.0, 6.0, 8.0 g) on the drag coefficient at terminal velocity as measured by the tracking of the position of the ball during free fall?

How does a steel spring’s temperature (20.0, 40.0, 60.0, 80.0, 100.0°C) affect its spring constant as measured by the length of the spring’s extension from the position of equilibrium under applied uniform load?

How does the temperature affect the internal resistance of an Alkaline Battery?

How does the air pressure of the air inside a water rocket, in the range of 97,000 Pa to 250,000 Pa, affect the maximum height (in meters) that the rocket reaches?

How does the diameter of a parachute vent affect its terminal velocity when falling through air?

How does the temperature of corn oil (20º C, 35º C, 50º C, 65º C, 80º C) affect the refractive index by using a refractometer?

How does the angle of an inclined plane affect the final angular velocity of a ball that rolls down onto the floor?