Bitesize Space Science

Jon Chase brings alive a series of fun and engaging demonstrations introducing the subject of space science. A BBC production.

Episodes

Bitesize Space Science Spectroscopy and the composition of stars New

Jon Chase describes how different elements absorb and emit light of specific wavelengths or colours. He explains how this can be used to identify which elements are present in distant stars by analyzing the spectrum of radiation coming from these stars. Teacher notes: You could discuss how white light can be split into its spectrum and students could make their ...
  • 2014
  • 00:04:11
  • 15-17
  • Added on: 09/05/2019

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Bitesize Space Science The life cycle of stars New

Science presenter and rapper Jon Chase explains how the dust and gas released from dying stars form new stars and solar systems using a Jenga game and a rap. He visits a school where the students play Jenga to demonstrate the balance between the forces in a star, and how they destabilize over time. Jon performs a rap to help ...
  • 2014
  • 00:05:34
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Gravity on Earth and in space New

Jon Chase explains that the mass of an object is constant but its weight depends on the gravitational force. This force is higher on more massive planets and he would weigh more on Jupiter than on Earth. He uses a fairground ride to simulate the feeling of lower and higher gravitational forces. He explains that gravity is the force that ...
  • 2014
  • 00:04:53
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Nuclear fusion in stars New

Jon Chase explains the nuclear fusion that causes stars like our sun to give out enormous heat. Film footage of a nuclear explosion in a hydrogen bomb is used to draw an analogy with the sun’s energy. He mixes iron oxide and aluminum powder to demonstrate a highly exothermic chemical reaction and relates this to the much greater energy output ...
  • 2014
  • 00:04:20
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science The Big Bang and red shift New

Jon Chase explains the scale of the solar system and universe using simple demonstrations at a shopping centre and race track. He explains the Doppler effect and introduces red-shift and cosmic microwave background radiation, which provide evidence for an expanding universe. Teacher notes: Use the video as an introduction to a Doppler effect demonstration using a buzzer swung around on ...
  • 2014
  • 00:05:54
  • 15-17
  • Added on: 09/03/2019

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Bitesize Space Science Waves and communication New

Jon Chase demonstrates how electromagnetic waves are used in communication using an infra-red remote control and an outside TV broadcast. He discusses how television broadcast uses microwaves to communicate between Earth and satellites in space. Jon describes and performs a rap about the electromagnetic spectrum and the different types of waves. Teacher notes: The class could use the rap to ...
  • 2014
  • 00:03:50
  • 15-17
  • Added on: 09/03/2019

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