GCSE OCR Physics: P8.3 Beyond Earth

All resources for P8.2 Powering Earth GCSE OCR Physics Gateway 9-1. Triple and combined (Higher and Foundation) is covered in this material.

• Key facts about the Big-Bang model
• Cosmic Microwave Background (CMB, CMBR)
• Doppler Red shift of light from stars in galaxies
• Hubble’s evidence of absorption spectra being red shifted
• Structure of the solar system
• Nuclear Fusion
• Evolution of large stars
• Evolution of Sun like stars
• Gravitational force and force from nuclear fusion
• Natural Satellites
• Geostationary Satellites
• Low Polar Orbit Satellites
• Speed is constant and velocity is changing in stable orbits.
• Changing speed and radius
• Gravitational force, acceleration, and speed.
• Plotting data and describing relationships
• All objects emit electromagnetic radiation
• Describe how changing temperature changes frequency, wavelength, and intensity of the radiation produced.
• Explain why objects change temperature by absorbing and emitting radiation.
• Explain why the temperature of the Earth changes due to greenhouse gases in the atmosphere.
• S and P waves
• Structure of the Earth
• Reflection, absorption, and refraction of waves
• Sonar to map the ocean floor