Listing all results (73)

Episode 514: Patterns of Decay

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:...

Episode 518: Particle Accelerators

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...

Episode 519: Particle Detectors

In this learning episode, from the Institute of Physics, students see how cloud and bubble chambers can be used to detect sub-atomic particles. It explores the principle that, in general, detectors work by analyzing particle collisions using conservation laws (momentum, energy, charge).

The activities in...

Episode 530: X- ray Diffraction

This learning episode, from the Institute of Physics, uses laser light to demonstrate the phenomenon of diffraction and then applies this understanding to x-rays, Bragg's law and crystallography.

The activities in this episode look at:
• students’ knowledge of X-rays
• diffraction and the limits...

Episode 509: Radioactive Background and Detectors

From the Institute of Physics, this learning episode introduces the ubiquitous nature of radioactivity and considers its detection. It draws on students’ previous knowledge, and emphasizes the importance of technical terminology.

The activities include:
• demonstrating the detection of background...

Episode 510: Properties of Radiations

In this learning episode from the Institute of Physics, the properties of ionizing radiation are introduced through a consideration of safety.

Students consider the ionising property of different radiations in relation to how this makes them dangerous to living things. They see that radiation with...

Episode 305: Energy in Simple Harmonic Motion

Produced by the Institute of Physics, this learning episode enables students to appreciate that there is a continuous interchange between potential and kinetic energy during simple harmonic motion. Students are also shown the mathematical basis for calculating energy.

The activities include:
•...

Episode 306: Damped Simple Harmonic Motion

From the Institute of Physics, this learning episode will help students to see how energy moves from an oscillating system and how this results in a decrease in amplitude that follows an exponential decay pattern.

The activities include:
• observing water oscillating in a u-tube
• the motion of...

Episode 310: Wave Graphs

In this learning episode, from the Institute of Physics, students interpret graphs of waves to understand concepts such as wavelength, frequency and phase.

The activities in this episode include:
• plotting displacement and drawing longitudinal waves
• considering phase
• understanding...

Episode 315: The Inverse Square Law

In this learning episode, produced by the Institute of Physics, students investigate how the intensity of radiation decreases with distance from the source.

The activities include:
* demonstration and discussion on how radiation spreads
* worked example to illustrate thinking in proportions...

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