1. Error reduction in micrometer measurements – Analyzing methods to minimize systematic and random errors when using a micrometer for precision measurements. 2. Specific heat capacity determination of aluminum – Evaluating experimental methods and calculations to determine the specific heat capacity of aluminum. 3. Circular motion and uncertainty calculations – Investigating the relationship between radius and angular velocity in a turntable experiment, including error analysis. 4. Focal length determination of a converging lens – Using graphical analysis and experimental data to verify the focal length of a lens. 5. Orbital mechanics and energy calculations for Hubble Space Telescope – Applying gravitational equations to calculate orbital height, potential energy, and velocity. 6. Elastic collisions and conservation laws in physics – Examining energy and momentum conservation in elastic collisions, using curling stones as a practical example.