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Showing 585 results
In these activities, from the Institute of Physics, students investigate electromagnetic induction. The learning episode develops a picture of induction as the cutting of lines of flux by a conductor, which leads to an induced electromotive force (emf) or current. The activities in this learning episode include:...
Produced by the Institute of Physics, these discussions and demonstrations show that in a generator, motion of a conductor in a magnetic field induces an electromotive force (emf). In a transformer, it is the changing field that induces an emf in a fixed conductor.
The activities in this learning episode...
Produced by the Institute of Physics, this learning episode helps students to understand the emission spectra of white light and from standard discharge lamps. There are a range of activities that include discussion, demonstrations, experiments and calculations. The activities in this learning episode include: *...
Through demonstrations, discussions and worked examples, students are introduced to the phenomenon of wave-particle duality. Students learn that electrons, which are often thought of as particles, can sometimes behave as waves.
...In this learning episode, from the Institute of Physics, students investigate the absorption of radiation and how this can be illustrated experimentally. The investigations look at sources of alpha and beta radiation. A model, looking at the absorption of light as it passes through successive microscope slides, is...
In this learning episode, produced by the Institute of Physics, students look at the decay processes that result in the emission of ionising radiation.
The activities in this learning episode include:
* looking at nuclide notation and N-Z plots
* types of decay processes
* practice...
In this learning episode, from the Institute of Physics, students use discussion, demonstration and worked examples to look at the exponential decay and radioactive half-life of a range of nuclides. These include sources of alpha, beta and gamma radiation.
The activities in this learning episode include:...
Produced by the Institute of Physics, this learning episode will help students look mathematically at the meaning and relevance of the decay constant. A simple model is used to illustrate radioactive decay. The activities look at the decay constant and help students to link this with the half-life of an isotope....
In this learning episode, from the Institute of Physics, mathematical ideas on radioactive decay are developed using logarithmic and exponential equations.
The activities look at:
* the exponential decay equation
* students questions using the decay equation
* radioactive decay used as a...
Produced by the Institute of Physics, discussions and demonstrations encourage students to apply their knowledge of charged particles and fields to understand particle accelerators and detectors.
The activities in this learning episode look at:
* acceleration in an electric field
* researching...
In this learning episode, from the Institute of Physics, students look in detail at Rutherford’s experiment through discussion, demonstration and student experiment. The activities include: * discussing the significance of Rutherford’s experiment * demonstrating collisions and momentum * Rutherford scattering and...
Starting from Rutherford's electron scattering experiment, these activities from the Institute of Physics, encourage students to consider experimental evidence for the size of the nucleus. Students look at alpha particle scattering and distance of closest approach. The learning episode examines:
* worked...
This learning episode, from the Institute of Physics, looks at the pattern of nuclide stability using a spreadsheet to produce an N-Z plot. Students then consider the need for an additional, attractive force to hold the nucleus together.
The activities in this learning episode look at:
* which stable...
Produced by the Institute of Physics, this learning episode contains worked examples and ideas for discussion that allow students to examine binding energy and perform data analysis to calculate the binding energy for a number of nuclides.
The activities include:
* discussion to introduce mass defect...
Produced by the Institute of Physics, this learning episode helps students to move beyond the idea that nuclear changes are represented solely by alpha, beta and gamma decay. Students learn that other events occur when a nucleus absorbs a particle and becomes unstable.
The activities in this learning...