More Physics

Battery: Light level output from torch bulbs powered by zinc and alkaline cells. Shows superior life of alkaline cell.
Battery life
Capacitor charge and discharge
Conducting heat
Current-Voltage relationships
Cooling: Temperature of stearic acid in a test tube surrounded by a water jacket. Shows simultaneous warming of water.
Falling: A card is dropped from a series of different heights through a light gate which measures the transit time. Digital's spreadsheet facility was used to enter the user's measurement of height and create further columns of calculated data.
Heat insulation Exploring the magnetic field in a coil
Pendulum Decay: Decaying oscillation of a simple pendulum whose bob is immersed in water. Shows minimal effect of amplitude on period.
How radioactive materials decay
Pressure and temperature
Simple harmonic motion
Stack: Three plastic cups were stacked inside each other and temperature probes inserted between them. Hot water was poured into middle cup. Shows temperature profile through the thickness of the plastic.
Thermistor characteristics