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Bbc: Gcse Bitesize: Controlling Chemical Reactions
This lesson focuses on comparing the reaction rate of chemical reactions with different surface areas.
BBC
Bbc: Gcse Bitesize: Bonding: Covalent Bonds
This section of the lesson module focuses on covalent bonds, which are formed between non-metal atoms that share a pair of electrons. It includes links to a video and a test. Other types of chemical bonds are covered elsewhere in the...
BBC
Bbc: Gcse Bitesize: Organization in Ecosystems
This lesson focuses on food chains in ecosystems, including levels of consumers, decomposers, and a list of common words used with food chains and their definitions. It also provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: Mitosis and Cell Specialisation
This lesson focuses on cloning. Plants can make identical copies of themselves by asexual reproduction, for example by tubers and runners. Humans have been cloning plants for years and have recently started to develop techniques to clone...
BBC
Bbc: Gcse Bitesize: Enxymes
This lesson focuses on enzyme-catalysed reactions and the effect of temperature, substrate concentration, and pH on the reaction rate. It provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: The Challenges of Size in Animals
This lesson focuses on blood including it's functions including transporting materials around the body and protecting against disease. It explains the components of blood and the functions of each and offers a link to an assessment.
BBC
Bbc: Gcse Bitesize: Properties of Materials
This lesson focuses on the properties of carbon atoms in diamonds and graphite including their structures and bonding and their properties and uses. It also provides links to a video and an assessment.
BBC
Bbc: Gcse Bitesize: Material Cycling in Ecosystems
This lesson focuses on the carbon cycle which shows how atoms of carbon can exist within different compounds at different times and be recycled between living organisms and the environment. It also provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: How Has the Earth's Atmosphere Changed Over Time? Ocr 21 C
This lesson focuses on ways to reduce air pollution from power stations and from automobiles. It provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: Electrolysis
This lesson focuses on Electrolysis, the decomposition of a liquid using electricity. When ionic compounds are molten or dissolved in water the ions are free to move. It offers links to a video and a test.
BBC
Bbc: Gcse Bitesize: Purity and Separating Mixtures
This lesson focuses on different types of chemical substances, distinguishing between pure substances and mixtures, and changes of temperature based in substance. It provides a link to a test.
BBC
Bbc: Gcse Bitesize: Heat Energy Changes in Chemical Reactions
This lesson focuses on heat energy changes in chemical reactions. Exothermic reactions transfer energy to the surroundings. Endothermic reactions take in energy from the surroundings. It also offers links to a video and a test.
BBC
Bbc: Gcse Bitesize: What Happens During Cellular Respiration? Ocr 21 C
This lesson focuses on what happens during cellular respiration including how energy is released as APT and why organisms need energy in that form. A link to a test is provided.
BBC
Bbc: Gcse Bitesize: How Are Metals With Different Reactivities Extracted? Ocr
This lesson focuses on how metals with different reactivity are extracted including how it is extracted with ores, extraction methods, a table of metals and how to extract them, and an exercise concerning the extraction of zinc. A link...
BBC
Bbc: Gcse Bitesize: Newton's Laws
This lesson focuses on Newton's Law for falling objects including terminal velocity, the three stages of falling, a diagram showing what happens to the speed of a skydiver from airplane to ground, velocity-time graphs for falling...
BBC
Bbc: Gcse Bitesize: Reproduction, the Genome and Gene Expression
This lesson focuses on how genes, sections of the DNA, are formed including descriptions of transcription and translation. It provides links to a video and a test.
BBC
Bbc: Gcse Bitesize: Atomic Structure
This lesson focuses on the structure of atoms. All substances are made from atoms. Each atom is made of a nucleus - containing protons and neutrons - surrounded by electrons. It provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: Motion
This lesson focuses on how to calculate average speed and distance traveled. It also explains how to convert different units of measure and provides a link to an assessment.
BBC
Bbc: Gcse Bitesize: Monitoring Chemical Reactions
This lesson focuses on percentage yield including what it is, the formula for calculating percentage yield, a sample calculation, and a link to a test.
BBC
Bbc: Gcse Bitesize: How Does the Nervous System Help Us Respond? Ocr 21 C
This lesson focuses on the areas of the brain and the functions of each area. It includes a diagram of the brain with areas labeled, a table of the functions of the areas, and a link to a test.
BBC
Bbc: Gcse Bitesize: Cell Structure Aqa
This lesson focuses on structures in a animal cell and their functions. It also provides links to a video and a test.
BBC
Bbc: Gcse Bitesize: How Can We Treat Disease? Ocr 21 C
This lesson focuses on Antibiotics including what they are, how they work, and antibiotic resistance. It also briefly discusses pain killers and viral diseases; it also provides a link to a test.
BBC
Bbc: Gcse Bitesize: Cell Structure
This lesson focuses on bacteria cells including their structures and functions, cell structures in common with bacteria, plants and animals, and a comparison between Eukaryotic and prokaryotic cells. It also provides links to a video and...
BBC
Bbc: Gcse Bitesize: Static Electricity
This lesson focuses on static electricity, including how particles can be charged by friction, and electrical forces and why they repel or attract each other. Includes a link to a test.