/en/tmeuf/students/primary-school/topics-content/endangered-species/green-woodpecker
Green Woodpecker Listen Bird of the year 2014 Pupils learn about the Green Woodpecker and its threats. Within this material, pupils will learn about the "orchard", a habitat not only for the Green Woo
/en/working-group-physics/histolab/thematical-subsections/hydrostatics/sikess-hydrometer
Sikes's Hydrometer Listen The hydrometer is a measurement device to determine the mass density of liquids. It was developed in the early 19th century and put to use by the British Customs Services to
/en/tmeuf/students/secondary-school/topics-content/ecosystems-habitats/beech-forest
Beech Forest Listen Old Beech Forests in Europe, World Heritage of UNESCO Pupils get to know the Beech Forest and its typical species. Teaching material worksheets-beech.pdf 07/16/2015 281 KB (PDF) Do
/en/working-group-physics/histolab/thematical-subsections/particle-physics-and-radioactivity/millikans-apparatus-for-the-determination-of-the-elementary-charge
Millikan's apparatus for the determination of the elementary charge Listen From 1909 until 1911 Robert A. Millikan together with his assistant Harvey Fletcher conducted experiments to determine the el
/en/working-group-physics/histolab/thematical-subsections/astronomy/sextant
Sextant Listen The sextant was and still is a navigational instrument. It evolved from the ancient octant (eigth part of the circumference of a circle) and is used to measure the angular difference be
/en/working-group-physics/histolab/thematical-subsections/optics/newtonian-prisms
Newtonian Prisms Listen In 1672, Isaac Newton published an article on the composition of the sun's light. He put forward the opinion, that the spectral colours were inherent properties of the white li
/en/working-group-physics/histolab/thematical-subsections/electricity/leyden-jars
Leyden Jars Listen A newly developed instrument shocked (most literally) scientists researching electricity in 1745: the Leyden Jar or Amplifiying Jar. The Prelate Ewald Jürgen von Kleist and the Leyd
/en/working-group-physics/histolab/thematical-subsections/electricity/voltaic-crown-of-cups
Voltaic Crown of Cups Listen The Crown of Cups is a modification of the Voltaic Pile. A rectangular plate of copper and zinc are connected by a wire soldered to both plates and thus an "electric eleme
/en/working-group-physics/histolab/thematical-subsections/electricity/double-electrophorus-on-the-model-of-lichtenberg
Lichtenberg's Double Electrophorus Listen The Double Electrophorus is a further development from the Electrophorus , capable to produce and provide both electrostatical charges by means of electrostat
/en/working-group-physics/histolab/thematical-subsections/electricity/tangent-galvanometer
Tangent Galvanometer Listen A galvanometer measures an electrical current by means of the electromagnetical properties of an induction coil and the Lorentz force. The instrument contains various coils