1. Magnetic flux density measurement – Calculating the magnetic flux density from experimental data using a rigid wire in a magnetic field. 2. Radioactivity experiment with a Geiger-Müller tube – Evaluating the accuracy and validity of measuring radioactive decay activity. 3. Density determination of a crystal ball – Using mass and volume measurements to determine if a crystal ball is made of clarified quartz or glass. 4. Hertzsprung-Russell diagram analysis – Investigating the relationship between luminosity and surface temperature for stars in a young cluster. 5. Oscillatory motion in an amusement park ride – Analyzing how apparent weight changes at different points in a vertical circular motion. 6. Latent heat of vaporization experiment – Calculating energy transfer rates in a heat exchanger used for boiling water.