Lets see...

Thermal Expansion of Liquids

Hall Effect in p-Germanium

Hall Effect in n-Germanium

Solar Ray Collector

Thermal Conductivity of Metal

Fourier Anylisis of Signals of a Function Generator

Temperature Dependence of the Velocity of Sounds in Liquids

Bragg Reflection: Determining the Lattice Constant of Monocrystals

Haaaa, wait...

Corrosion of Metals

Magnetic Field of Single Coils / Biot-Savart's Law

When i will finish of all this? Just can't get myself to do this experiments.