Primrose Kitten
WJEC
Cells and movement across cell membranes:
· Plant cells | Video | Quiz |
· Animal cells | Video | Quiz |
· Specialised cells | Video | Quiz |
· Microscopes | Video | Quiz |
· Magnification calculations | Video | Quiz |
· Active transport (HT only) | Quiz |
· Diffusion | Video | Quiz |
· Factors affecting diffusion | Video |
· Osmosis | Quiz |
· Enzymes | Video 1 | Video 2 | Quiz |
· Lock and key mechanism | Video |
Respiration and the respiratory system in humans:
· Respiration | Quiz |
· Anaerobic respiration | Quiz |
· Exercise | Quiz |
· Oxygen debt | Quiz |
· Respiratory system | Video | Quiz |
· Bell jar model | Quiz |
· Ventilation | Quiz |
· Smoking | Quiz |
Digestion and the digestive system in humans:
· Testing for sugars, starch and protein | Quiz |
· Biological molecules | Quiz |
· The digestive system and peristalsis | Video | Quiz |
· Diet | Quiz |
Circulatory system in humans:
· Blood and blood vessels | Video | Quiz |
· Cardiovascular disease (Biology only) | Quiz |
Plants and photosynthesis:
· Photosynthesis | Video | Quiz |
· Plant organs (Biology only) | Quiz |
· Transpiration (Biology only) | Quiz |
· Plant nutrients (Biology only) | Quiz |
Ecosystems, nutrients cycles and human impact on the environment:
· Food chains | Video | Quiz |
· Producers and consumers | Quiz |
· Trophic levels | Quiz |
· Decay | Video | Quiz |
· The carbon cycle (Biology only) | Video | Quiz |
· The nitrogen cycle (Biology only) (HT only) | Quiz |
· Pollution | Quiz |
· Biodiversity | Quiz |
· Impact of humans | Quiz |
· Sustainable methods for food production | Quiz |
· The capture/re-capture method (HT only)
Classification and biodiversity:
· Classification | Quiz |
· Ecosystems and communities | Quiz |
· Biotic and abiotic factors | Video | Quiz |
· Adaptations | Quiz |
· Quadrats and transects | Quiz |
Cell division and stem cells:
· DNA and chromosomes | Quiz |
· Stem cells and stem cell therapy | Quiz |
DNA and inheritance:
· Structure of DNA | Video | Quiz |
· Genetics key words | Quiz |
· Genetics crosses | Video | Quiz |
· Cystic fibrosis | Quiz |
· Embryo screening | Quiz |
· Genetic engineering | Quiz |
· Producing GM crops | Quiz |
Variation and evolution:
· Variation within a population | Quiz |
· Asexual reproduction | Quiz |
· The advantages and disadvantages of sexual and asexual reproduction | Quiz |
· Evolution | Quiz |
· Natural selection | Video | Quiz |
· The theory of evolution | Quiz |
· Antibiotic resistance | Quiz |
Response and regulation:
· Homeostasis | Quiz |
· Nervous system | Quiz |
· The eye (Biology only) | Video | Quiz |
· The endocrine system | Quiz |
· Blood glucose - high and low (HT only) | Quiz |
· Type 1 and Type 2 diabetes | Quiz |
· Gravitropism and geotropism (Biology only) (HT only) | Video | Quiz |
· Auxins (Biology only) | Quiz |
· Reflex arc (HT only) | Video |
Role of the kidney in homeostasis:
· The kidneys and their structure (Biology only) | Video | Quiz |
· The urinary system (Biology only) | Quiz |
· The nephron (Biology only) (HT only) | Quiz |
· ADH (Biology only) (HT only) | Quiz |
Microorganism and their applications:
· Bacterial cultures (Biology only) | Video 1 | Video 2 | Quiz |
· Production of Penicillin (Biology only) | Quiz |
Disease, defence and treatment:
· Health and disease | Quiz |
· Diseases | Quiz |
· Bacterial cells | Video | Quiz |
· Sexually transmitted diseases | Quiz |
· Malaria | Quiz |
· Immune system | Quiz |
· Purpose of vaccines (HT only) | Quiz |
· Antibiotics and resistance | Quiz |
· Drug development | Quiz |
· Monoclonal antibodies (Biology only) (HT only) | Quiz |
The nature of substances and chemical reactions:
· Elements and compounds | Video | Quiz |
· Mass number and atomic number | Video | Quiz |
· Relative masses | Video | Quiz |
· Separating mixtures | Video 1 | Video 2 | Video 3 | Quiz |
· Chromatography | Video | Quiz |
· Equations | Video 1 | Video 2 | Video 3 | Quiz |
· Chemical equations | Video 1 | Video 2 | Quiz |
· Percentage yield | Video | Quiz |
Atomic structure and the periodic table:
· Structure of an atom | Video | Quiz |
· Atoms | Video |
· Periodic table | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
· Electronic structure | Quiz |
· Group 0 | Video |
· Group 1 | Video 1 | Video 2 | Video 3 | Quiz |
· Tests for hydrogen, carbon dioxide and oxygen | Video | Quiz |
· Flame tests | Video 1 | Video 2 | Quiz |
· Nobel gases | Quiz |
Water:
· Natural water | Quiz |
· Potable water | Video | Quiz |
· Treating waste water | Video | Quiz |
· Solubility | Quiz |
· Solubility curves | Quiz |
· Hardness of water | Quiz |
The ever-changing Earth:
· The Earth | Video | Quiz |
· The atmosphere | Video 1 | Video 2 | Video 3 | Quiz |
· Greenhouse gases | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
· Pollution | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
Rate of chemical change:
· Finding the rate of reaction | Video | Quiz |
· Graphs showing rates of reaction | Video 1 | Video 2 | Video 3 | Quiz |
· Measuring a reaction | Video | Quiz |
· Collision theory | Quiz |
Limestone:
· Metal carbonates (Chemistry only) | Quiz |
· Limestone (Chemistry only) | Quiz |
Bonding structure and properties:
· Ionic bonding | Video 1 | Video 2 | Quiz |
· Ions | Video 1 | Video 2 | Video 3 | Quiz |
· Covalent bonding | Video | Quiz |
· Metallic bonding | Video | Quiz |
· Structure and properties of ionic compounds | Quiz |
· Simple covalent compounds | Quiz |
· Giant covalent compounds | Video 1 | Video 2 | Quiz |
· Structure of polymers | Video | Quiz |
· Diamond graphite | Video 1 | Video 2 | Quiz |
· More carbon structures | Quiz |
· Smart materials | Quiz |
· Dot and cross diagrams | Video 1 | Video 2 |
· Fullerenes | Video |
· Nanoparticles (HT only) | Video |
Acid, bases and salts:
· Acidic and alkaline conditions | Video |
· Neutralisation | Video |
· pH | Video | Quiz |
· Titrations | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
· Making salts | Video 1 | Video 2 | Quiz |
· Salt equations | Video | Quiz |
· Titration calculations (Chemistry only) | Video | Quiz |
· Strong and weak acids (Chemistry only) | Video | Quiz |
· Tests for anions (Chemistry only) | Video 1 | Video 2 | Quiz |
Metals and their extraction:
· The reactivity series and displacement reactions | Video | Quiz |
· Oxidation and reduction | Video | Quiz |
· Electrolysis of aluminium | Video | Quiz |
· Metals | Video | Quiz |
· Half equations | Video | Quiz |
· Electrolysis | Video 1 | Video 2 | Video 3 | Video 4 | Video 5 | Quiz |
· Compounds | Video 1 | Video 2 | Video 3 | Video 4 | Video 5 |
· Transition metals | Video |
Chemical reactions and energy:
· Exothermic and endothermic reactions | Video 1 | Video 2 | Quiz |
· Energy changes in a reaction | Video 1 | Video 2 | Video 3 | Quiz |
Crude oil, fuels and organic chemistry:
· Alkanes and hydrocarbons | Video | Quiz |
· Fractional distillation | Video 1 | Video 2 | Quiz |
· Viscosity | Video |
· Complete and incomplete combustion | Video | Quiz |
· Hydrogen | Video 1 | Video 2 | Video 3 | Quiz |
· Crude oil | Video |
· Cracking | Quiz |
· Alenes | Video 1 | Video 2 | Video 3 | Quiz |
· Monomers and polymers | Quiz |
· Polymerisations | Quiz |
Reversible reactions, industrial processes and important chemicals:
· Reversible and irreversible reactions (Chemistry only) | Quiz |
· The Haber process (Chemistry only) | Video 1 | Video 2 | Quiz |
Electric circuits:
· Circuit symbols | Video | Quiz |
· Series and parallel circuits | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
· Charge and current | Video | Quiz |
· Potential difference and resistance | Video | Quiz |
· Current-potential difference graphs | Video | Quiz |
· Potential difference and power | Video | Quiz |
Generating electricity:
· Renewable energy sources | Quiz |
· Non-renewable energy sources | Quiz |
· Sankey diagrams | Quiz |
· Ways to increase efficiency | Video | Quiz |
· The National Grid | Quiz |
Making use of energy:
· Solids, liquids and gases | Video 1 | Video 2 | Quiz |
· Conduction, convection and radiation | Quiz |
· Payback time | Quiz |
Domestic electricity:
· Power equation | Quiz |
· Fuses and circuit breakers | Quiz |
· Plugs | Video |
· Mains electricity | Quiz |
Features of waves:
· Transverse and longitudinal waves | Quiz |
· Time period of waves | Quiz |
· The speed of waves | Quiz |
· Reflection | Quiz |
· Electromagnetic spectrum | Quiz |
· Satellites and their orbit | Quiz |
The total internal reflection of waves:
· Internal reflection of light | Video | Quiz |
· Optical fibres | Quiz |
Seismic waves:
· P and S waves (Physics only) | Quiz |
· Ultrasound (Physics only) | Quiz |
Kinetic theory:
· Pressure (Physics only) | Quiz |
· Work on a gas (Physics only) | Quiz |
· Volume (Physics only) | Quiz |
· Work on a system (Physics only) | Quiz |
· Specific heat capacity (Physics only) | Quiz |
Electromagnetism:
· Magnets (Physics only) | Video | Quiz |
· Electromagnets (Physics only) | Video 1 | Video 2 | Quiz |
· Flemings left-hand rule (Physics only) (HT only) | Video | Quiz |
· Magnetic flux density (Physics only) (HT only) | Video | Quiz |
· Motors (Physics only) | Video | Quiz |
· The generator effect (Physics only) | Video | Quiz |
· Transformers (Physics only) | Video 1 | Video 2 | Quiz |
Distance, speed and acceleration:
Newton's Laws:
· Inertia | Quiz |
· Newton's First Law | Video | Quiz |
· Weight and mass | Quiz |
· Newton's Second Law | Quiz |
· Terminal velocity | Quiz |
· Newton's Third Law | Quiz |
Work and energy:
· Work and forces | Quiz |
· Elastic objects | Quiz |
· Elastic potential energy | Quiz |
· Gravitational potential energy | Quiz |
Further motion concepts:
· Momentum (Physics only) | Video | Quiz |
· Acceleration formula (Physics only) | Video | Quiz |
· Moments (Physics only) | Video 1 | Video 2 | Video 3 | Video 4 | Quiz |
Stars and planets:
· The solar system | Quiz |
· Life cycle of a star | Video | Quiz |
· Orbital motion | Quiz |
The universe:
· Moving objects (Physics only) | Quiz |
· Red and blue shift (Physics only) | Video | Quiz |
Types of radiation:
· Atoms | Quiz |
· Ions and isotopes | Quiz |
· Radiation | Video |
· Radioactive decay | Video 1 | Video 2 | Quiz |
· Radioactive contamination | Video | Quiz |
· Background radiation | Video | Quiz |
Half-life:
Nuclear decay and nuclear energy:
· Nuclear fission and nuclear fusion (Physics only) | Video | Video 2 | Quiz |
· Nuclear reactor (Physics only) | Video | Quiz |
· Nuclear equations (Physics only) (HT only) | Video | Quiz |
WJEC Science Overview:
Double Award:
6 x 1 hr 15 minute papers worth 60 marks each
(15% of grade each)
10% of qualification comes from a practical exam not assessed in the summer
· Biology paper 1 – Units 1.1-1.6
· Biology paper 2 – 4.1-4.6
· Chemistry paper 1 – 2.1-2.5
· Chemistry paper 2 – 5.1-5.5
· Physics paper 1 – 3.1-3.5
· Physics paper 2 – 6.1-6.6
Single Award:
2 x 1 hr 45 minute papers worth 80 marks each
(15% of grade each)
10% of qualification comes from a practical exam not assessed in the summer
· Biology paper 1 – Units 1.1-1.6
· Biology paper 2 – 2.1-2.8
· Chemistry paper 1 – 1.1-1.6
· Chemistry paper 2 – 2.1-2.6
· Physics paper 1 – 1.1-1.9
· Physics paper 2 – 2.1-2.9