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Bbc: Gcse Bitesize: Energy and Heating
Energy is transmitted by conduction, convection or radiation.The conductivity of materials can be compared by examining the time taken to transmit energy through them. This lesson explains how conduction works and provides a link to a test.
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Bbc: Gcse Bitesize: Alcohols and Carboxylic Acids
This lesson focuses on Alcohols which contain the -OH functional group. It discusses the general formula for alcohols and an example of the alcohol Decanol. It also provides a table of three alcohols with their formulas and structures....
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Bbc: Gcse Bitesize: Metals and Corrosion
This lesson focuses on corrosion and rusting which can be prevented by keeping oxygen and water away, and by sacrificial protection. A link to a test is provided.
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Bbc: Gcse Bitesize: What Does the Periodic Table Tell Us About the Elements?
The number of protons in the atom of an element determines its place in the Periodic Table. The number of electrons in an atom is the same as the number of protons. These electrons are arranged in shells or 'energy levels' around the...
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Bbc: Gcse Bitesize: Changes in Energy Stores
Energy can be described as being in different "stores". It cannot be created or destroyed but it can be transferred, dissipated or stored in different ways. There are seven main stores of energy: magnetic, internal (thermal), chemical,...
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Bbc: Gcse Bitesize: Electromagnets Higher
This lesson explains how a DC electric motor works including a diagram and description and links to a video and a test.
BBC
Bbc: Gcse Bitesize: Natural Selection and Evolution
Darwin's theory of evolution explains how species of living things have changed over geological time in order to survive in the changing environment. A link to a test is provided.
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Bbc: Gcse Bitesize: What Does the Periodic Table Tell Us About the Elements?
The elements in Group 7 of the Periodic Table are called the halogens. They include chlorine, bromine and iodine. Learn about their properties and uses, then take a quiz.
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Bbc: Gcse Bitesize: Transition Metals, Alloys and Corrosion
The transition metals are placed in the center of the periodic table, between groups 2 and 3. They are generally hard and dense, and less reactive than the alkali metals. Iron, copper, silver and gold are important transition metals. A...
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Bbc: Gcse Bitesize: Types of Chemical Reactions
Bases are substances that can react with acids and neutralize them. Alkalis are bases that are soluble in water. The pH scale measures how acidic or alkaline a substance is. Substances with a pH lower than 7 are acidic, those with a pH...
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Bbc: Gcse Bitesize: Genetic Inheritance
Mutations can cause a permanent change in the DNA of an organism. Over many generations, organisms have adapted through mutation which involves small changes between organisms which may allow that organism to compete better for survival....
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Bbc: Gcse Bitesize: Adaptations Adaptations, Interdependence and Competition
Organisms depend on each other for survival. This is called interdependence. Both living and non-living factors will affect the abundance and distribution of organisms in a habitat. Included is a link to a test.
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Bbc: Gcse Bitesize: Lenses
Lenses are precisely shaped pieces of glass that have been developed and used in corrective glasses, telescopes, microscopes, binoculars, and magnifying glasses. They can be convex or concave. Links are provided to a video an a test.
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Bbc: Gcse Bitesize: Chemistry (Single Science)
This site lists the topics and lessons available for Chemistry. The topics include Particles; Elements, compounds and mixtures; Chemical reactions, Predicting and identifying reactions and products, organic chemistry, and more.
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Bbc: Gcse Bitesize: Crude Oil, Hydrocarbons and Alkanes
Crude oil is a finite resource. Petrol and other fuels are produced from it using fractional distillation. Cracking is used to convert long alkanes into shorter, more useful hydrocarbons. Links are provided for a video and a test.
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Bbc: Gcse Bitesize: Separation and Purification
There are different ways to separate mixtures, for example by filtration, crystallization, distillation, or chromatography. The method chosen depends upon the type of mixture.
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Bbc: Gcse Bitesize: Genetic Inheritance
This lesson focuses on genetic inheritance including defining key terms such as chromosomes, alleles, DNA, genes, genome, and more. Links to a video and a test are provided.
BBC
Bbc: Gcse Bitesize: Atomic Structure
This lesson focuses on early ideas about the structure of an atom including John Dalton's plum pudding model and Ernest Rutherford's nuclear model. A link to a test is provided.
BBC
Bbc: Gcse Bitesize: Plant Hormones
Plants produce hormones and respond to external stimuli, growing towards sources of water and light, which they need to survive. Read about tropisms and auxins that are used to control growth in plants. There is a quiz at the end.
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Bbc: Gcse Bitesize: Cell Structure Aqa
This lesson focuses on plant cell structures including the parts of cell structures and their functions, cell structures that are in both plants and animals, and the cell structures found only in plants and their functions. Links to a...
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Bbc Audio Interviews: Mohandas Gandhi
A brief biography of the leader of India's independence movement, Mohandas Gandhi.
BBC
Bbc Nature: Leaf Cutter Ants
The farmers of the insect world, leaf-cutter ants grow their own food in underground fungus farms. Pieces of leaf are carried hundreds of meters in impressive processions, with each ant carrying a piece up to 50 times its own body...
BBC
Bbc: Bitesize: Scaling Up a Cake Recipe Using a Fraction Wall
Use your knowledge of fractions to make more of a cake recipe on this site. Follow the cake recipe to scale it up by using fractions and volume equations.
BBC
Bbc: Gcse Bitesize: Graphics Software
Review and quiz yourself on graphics software, which includes drawing packages, painting packages, and CAD.