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Have you got your physics IA deadline approaching soon and are unsure what to choose as your topic? Do not worry, this post is here to help you through that process! In this text, we will provide you with numerous physics IA ideas with examples to help you start the writing process. Our goal is to guide you in meeting the IB criteria and ensure you stay on track during the entire IA writing process. Whether you are interested in waves and oscillations, electricity, or any other aspect of physics, the suggestions below are sure to have something that fits everyone's tastes!
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Physics IA Ideas
Refractive index of water: In this topic, you could look at how the refractive index of water changes as the temperature of the water is changed.
The surface area of a paper plane: Through this exploration, you could determine how the surface area of a paper plane's wings affects its horizontal displacement when launched from a certain height.
The surface area of a liquid: Within this topic, you could explore how the surface area of a liquid affects its rate of evaporation.
Bass guitar strings: Looking at this topic, you could explore how the tension of a bass guitar string affects the frequency squared of the note it emits. This can also be applied to other string instruments such as violins, cellos, ukuleles, etc.
Resistance of copper coils: In this exploration, you could analyze how changing the experimental temperature changes the resistance of copper coils that are connected in a series. This can be measured by submerging the coils in water at different temperatures.
Specific heat capacity of water: Through this experiment, you can determine how changing the sodium chloride concentration of water can affect its specific heat capacity.
The surface area of a parachute: Looking at this topic, you could determine how changing the surface area of a parachute affects the time that the parachute takes to descend to the ground.
Moment of inertia: Within this exploration, you could analyze how the height of an inclined plane affects the moment of inertia of an object rolling down the inclined plane.
Diameter of a hollow cylinder: In this topic, you could determine how the diameter of a hollow cylinder affects the time taken for it to roll down an inclined plane.
Pendulum damping: Through this topic, you could look at how the mass of a pendulum bob affects its damping, as measured by the angular amplitude after 10 oscillations.
Drag coefficient of a ball: Looking at this topic, you could analyze how the drag coefficient of a ball at terminal velocity changes as the mass of the ball is changed.
Capacitor discharge: Within this exploration, you could look at how the rate at which a capacitor discharges is affected by the total added resistance of the resistors in the circuit.
Rate of cooling: In this topic, you can look at how the rate of cooling of water is influenced by the volume of water present in the container.
Cooling and cup thickness: Within this topic, you could look at how the rate at which liquid cools in a cup changes as the thickness of the cup is changed.
Elasticity of a football: Looking at this topic, you could investigate how changing the internal pressure of a football affects its rebound height, which gives an indication of the ball's elasticity by measuring the consecutive coefficients of restitution.
Reboud of a tennis ball: Within this topic, you could analyze how the thickness of a layer of sand on a tennis court affects the rebound height of the tennis ball.
Power of solar panels: Through this topic, you could analyze how factors such as light intensity, angle, lux and distance to the light source affect the power generated by a solar panel.
Sky lantern analysis: In this exploration, you could determine how changing the volume of a sky lantern affects its lift force, as measured using a pull sensor.
Refractive index and pH: Looking at this topic, you could investigate how the pH value of a solution can affect its refractive index.
Electrical conductivity of a pencil: Through this topic, you could analyze how the graphite content of a pencil affects its electrical conductivity.
Period of a pendulum: Within this analysis, you could determine how changing the initial amplitude of a pendulum bob affects the period of oscillation.
Distance travelled by a projectile: In this topic, you could look at how the distance travelled by a projectile changes as the initial launch angle of the projectile is changed.
Spin rate of a hydroelectric generator: Looking at this topic, you could explore how the height difference between the water source and the turbine affects the spin rate of the turbine, measured in rotations per second.
Static coefficient of friction: Within this exploration, you could determine how changing the temperature of a lubricant affects its static coefficient of friction.
Investigating Toricelli's Law: In this topic, you could explore how changing the height to which water is filled in a bottle affects the horizontal distance that the water travels from a hole made on the side of the bottle.
Refractive index of sugar solutions: Through this analysis, you could look at how changing the concentration of sugar in a sugar solution affects the refractive index of the solution.
Collision of a cart: Looking at this topic, you could analyze how changing the bumper length of a cart affects its ability to decrease the peak force on the cart when it undergoes a collision.
Surface tension of water: In this exploration, you could look at how adding different masses of salt to deionized water can affect the surface tension of the water.
Standing waves on a string: Within this topic, you could analyze how increasing the mass hanging on a string affects the number of standing wave nodes formed on the string when it is vibrated at a constant frequency.
Determining Planck's constant: Through this experiment, you could determine Planck's constant by investigating how the wavelength of light emitted by different light-emitting diodes changes as their threshold voltage changes.
For more IA ideas and a deeper insight into how to structure your IAs, head to the Clastify website where you will be able to find numerous physics IA topics as well as exemplar IAs that you can refer to during your writing process!
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