Aims of this Episode: Describe Reflection; Describe Refraction; Describe Diffraction; Identify different types of lens; Explain how lenses focus light in the eye and the camera. Reflection, Refraction & Diffraction Reflection occurs when a wave bounces off a surface –
Aims of this Episode: Describe the process of Electrolysis; Identify the charge on the two different electrodes; Explain the reactions that occur on each electrode; Identify simple examples of Electrolysis. What is needed for Electrolysis? In order for Electrolysis to
Aims of the episode: Describe the structure of DNA; State what the process of DNA fingerprinting is used for; Explain how DNA controls your characteristics; Identify the uses of Punnett Squares. What is DNA? DNA is contained within the Nucleus
Aims of this Episode: Define the basic key terms: Charge, Current, Potential Difference and Resistance; Describe the differences between Series and Parallel circuits; Describe the differences between Direct and Alternating Current. Charge Charge is simply the thing that carries energy
Aims of this episode: Identify sources of background radiation; Describe the three main types of radiation; Explain how your location can affect the level of background radiation; Explain how avalanches are formed. Radiation Firstly, you need to understand that radiation
Aims of this Episode: Identify the different parts of the Circulatory System; Describe the differences between each blood vessel; Identify the function of the different parts of the blood. The Heart Human hearts beat twice in each cycle, meaning our
Aims of this episode: Identify the main pollutants from fossil fuel burning; Describe the effects of pollutants on the environment; Understand the causes and effects of global warming. Types of Pollutants There are more pollutants than just Carbon Dioxide. When
Aims of this episode: Understand what defines an area as a desert; Explain how radiation and convection currents mean that the Sahara Desert is very cold at night; Explain how Specific Heat Capacity means that most desert animals are nocturnal.
Aims of this episode: Understand the extent of competition in jungles; Understand that we know very little about jungles – even in 2016. Click here for the Planet Earth 2 homepage. Jungles or Rainforests? Jungles are described as areas of
Aims of this episode: Understand why life is so difficult at high altitudes; Explain why the weather changes the higher up you go; Explain how the human body reacts to high altitudes. Click here for the Planet Earth 2 homepage.