Science Powerpoints

Free science powerpoints to download for teachers
These have been made by teachers and kindly submitted to this site for other teachers to use. If you have any powerpoints then please consider submitting them for other teachers can download too.
| Biology | Size | Submitted by | Rating | Date |
| Actin and myosin | 204 KB | Alf | *** | 5/7/04 |
| ADH Diagram (Animated) | 175 KB | Ken Macdonald | **** | 5/6/06 |
| Alcohol | 5.89MB | Mitch | **** | 14/10/05 |
| Alcohol | 223 KB | Kaye | *** | 10/1/04 |
| Anaerobic respiration | 100 KB | Nalford | *** | 5/7/04 |
| Animal Adaptations I | 770KB | Sei Mei Li | *** | 7/7/06 |
| ASexual Reproduction | 1.3 MB | Rory G | *** | 5/6/06 |
| Asexual Reproduction | 372KB | Liza | *** | 8/10/06 |
| Bird Biology | 543 KB | Jackie | *** | 5/7/04 |
| Blood | 1.7MB | Red Cross | *** | 14/10/05 |
| Blood | 1.2MB | Debbie Corral | **** | 23/3/07 |
| Blood and Circulation | 641KB | Scott | **** | 29/12/05 |
| Blood Sugar | 462KB | Sarah Magor | **** | 15/5/06 |
| Blood Vessels | 602KB | C Milne | *** | 1/4/06 |
| Bones | 603KB | Liza | *** | 8/10/06 |
| The Brain | 577KB | Debbie Corral | **** | 23/3/07 |
| Brain Parts and Functions | 196KB | Liza | *** | 8/10/06 |
| Cancer | 262 KB | Mikey B | ** | 03/1/04 |
| Cause and effect of mutation | 515KB | Lisa | *** | 29/12/05 |
| Cell division & cancer | 3.1 MB | Bella | ***** | 14/1/04 |
| Cell membranes | 1.7 MB | Bella | **** | 14/1/04 |
| Cell membrane transport | 2.1 MB | Bella | ***** | 14/1/04 |
| Cells | 1.5 MB | Stu S | **** | 19/1/04 |
| Cells2 | 1.7MB | C Milne | ***** | 1/4/06 |
| Cell_Structure (flash animation) | 1.3MB | Rodney Boyer | **** | 17/10/04 |
| cell structures | 525KB | Roxanne | **** | 17/10/04 |
| Cell Transport | 2.0MB | Sonny or Beth | *** | 25/12/06 |
| Cell Vocabulary | 699KB | Mr Ryan | **** | 12/09/06 |
| The Cell Theory | 602KB | Eric | *** | 01/03/06 |
| Cereal Crops | 11.4 MB | H Wellington | **** | 19/4/05 |
| Chromosome | 6.4MB | Siva Ramamoorthy | ***** | 23/3/07 |
| Cigarette Smoke and Disease | 176KB | Paul Jackson | *** | 15/1/07 |
| Circulation | 632KB | Keith Hicks | *** | 1/4/06 |
| Circulatory system2 | 648KB | Stephen Morris | ***** | 31/10/06 |
| Circulatory System | 699KB | Rik G | **** | 18/1/05 |
| Classification | 1.1 MB | Paresh Mahawar | **** | 5/6/06 |
| Classification of Animals | 5.8MB | Sei Mei Li | **** | 7/7/06 |
| clinical terms | 158KB | Peggy | ** | 17/10/04 |
| Cloning- What is it? | 230KB | Liza | *** | 8/10/06 |
| Cloning - Science Fiction or Science Fact | 1.55MB | Lindsay Wainwright | **** | Biology |
| Cocaine | 1.4MB | Paul Cushing | **** | 1/4/06 |
| Control of heartbeat | 117KB | Paul Jackson | ** | 15/1/07 |
| Cuvier Presentation | 294KB | Eric | *** | 01/03/06 |
| Daily and seasonal changes | 3.0 MB | Simon D | *** | 24/1/04 |
| Development | 1.9MB | Liza | **** | 8/10/06 |
| Digestion- foundation level | 949KB | Belinda(worksheets on request) | ***** | Biology |
| Digestion- higher level | 1.05MB | Belinda(worksheets on request) | ***** | Biology |
| DihybridInheritance | 57KB | Angela | *** | 19/11/04 |
| Disease pics | 1.1MB | Rik G | *** | 30/11/04 |
| DNA Fingerprinting powerpoint | 208KB | Siobhan Coughlan | **** | 20/8/06 |
| DNA or No DNA | 639KB | Lisa | *** | 29/12/05 |
| DNA replication (flash animation) | 384KB | Rodney Boyer | **** | 17/10/04 |
| DNA replication | 1.3 MB | Sutur | **** | 5/7/04 |
| Ecology, what is it? | 522KB | Char Hisaysu | **** | 15/5/06 |
| Ecological Relationships | 494KB | Gillian Rorhwell | **** | 7/7/06 |
| Electrophoresis | 14KB | Lisa | ** | 29/12/05 |
| ElectronMicroscope | 960KB | fkelly.co.uk | *** | 19/11/04 |
| Emergence of the animal kingdom | 3.01MB | Jerry | **** | 14/12/04 |
| Endocrine and nervous system | 2.9MB | Sarah Berard | ***** | 25/12/06 |
| Environment and feeding relationships | 1.1 MB | Stu S | *** | 19/1/04 |
| Environments | 2.1MB | Williamallan | ***** | 23/3/07 |
| Enzymes | 68KB | Salvador | *** | 12/2/06 |
| Enzymes | 4.4MB | Debbie Corral | **** | 8/10/06 |
| Enzymes- What are they? | 184KB | Paul Morrison | **** | 31/10/06 |
| Enzymes- models of action | 184KB | Paul Morrison | **** | 31/10/06 |
| Evolution and Darwin | 188 KB | Rob&Marsh | *** | 15/6/05 |
| Exp_photosynthesis1 | 3.0MB | YKNG | **** | 11/8/05 |
| Exp_photosynthesis2 | 492KB | Paul | **** | 11/8/05 |
| Eye | 349KB | Rik G | **** | 18/1/05 |
| Farm animal breeds | 446KB | Rik G | *** | 30/11/04 |
| Feeding relationships | 6.8 MB | WBC | **** | 14/7/04 |
| Fertilizers and Pesticides | 1.1MB | IC Smith | *** | 1/4/06 |
| Fungi | 6.8MB | Tbarger | ***** | 30/11/04 |
| Gel Electrophoresis | 1.0MB | Lisa | *** | 29/12/05 |
| Gene Function and Structure | 905 KB | Paul | *** | 5/7/04 |
| Genetic Code1 | 120KB | Lisa | *** | 29/12/05 |
| Genetic Engineering | 124KB | Lisa | *** | 29/12/05 |
| Genetic Crosses | 498KB | Rik G | *** | 18/1/05 |
| Genetics- General | 972KB | Scott | *** | 29/12/05 |
| Genetic Screening | 88KB | Ian Richardson | *** | 15/5/06 |
| Gregor Mendel | 159KB | Liza | **** | 8/10/06 |
| Healthy Bodies- part1 | 677KB | Williamallan | **** | 23/3/07 |
| Healthy Bodies- part2 | 780KB | Williamallan | **** | 23/3/07 |
| Heart | 207 KB | Mark | ** | 7/1/04 |
| Heart | 916KB | Keith Hicks | *** | 1/4/06 |
| Heart disease arteriosclerosis | 1.3 MB | Susan | *** | 14/1/04 |
| Hedgerows and Monoculture | 1.56MB | IC Smith | *** | 1/4/06 |
| Hormones | 2.1 MB | Rory G | *** | 5/6/06 |
| HIV and AIDS | 427KB | Rhys Lewis | *** | 25/12/06 |
| Homeostasis of the body | 1.1MB | Belinda (worksheets on request) | **** | 2/7/07 |
| Human health and disease | 673KB | C Milne | ***** | 1/4/06 |
| Human Imunnodeficiency Virus | 2.9MB | Sarah Berard | ***** | 25/12/06 |
| The Immune System | 2.1 MB | Catherine Taylor | ***** | 5/6/06 |
| Inheritance Assessment | 1.2MB | Lisa | **** | 29/12/05 |
| Inheritance Basic | 228KB | Paul Jackson | *** | 15/1/07 |
| Intensive farming | 815KB | Rik G | *** | 18/1/05 |
| Interactions of Life-Communities | 5.6MB | Robby Saint | ***** | 2/7/07 |
| Immune System | 1.03MB | Michael S | **** | 29/12/05 |
| Immune System | 591KB | Debbie Corral | **** | 23/3/07 |
| Kidney | 484KB | Rik G | *** | 18/1/05 |
| Kingdom Protista part I | 546KB | Louise Pollack | **** | 25/12/06 |
| Kingdom Protista part II- Algae | 1.3MB | Louise Pollack | **** | 25/12/06 |
| Lab Photosynthesis1 | 264KB | Jim | *** | 11/8/05 |
| Lab_Respiration1 | 395KB | Maya | *** | 11/8/05 |
| lac operon | 99KB | Sarah Magor | *** | 15/5/06 |
| Life Processes | 115KB | Shaun | *** | 14/12/04 |
| LightDependentReaction | 302KB | fkelly.co.uk | *** | 19/11/04 |
| Lipids | 256KB | fkelly.co.uk | *** | 19/11/04 |
| Lower Plants | 2.1MB | Ben Zalewski | **** | 25/12/06 |
| Lungs | 251KB | Debbie Corral | **** | 23/3/07 |
| Making a microscope slide | 2MB | Peter L | **** | 29/12/05 |
| Mendel | 296KB | fkelly.co.uk | *** | 19/11/04 |
| Mendelian Genetics | 10MB | Siva Ramamoorthy | ***** | 23/3/07 |
| Mendel's Law of Segregation | 493KB | Ian Richardson | **** | 15/5/06 |
| Meosis | 607KB | Rik G | *** | 18/1/05 |
| Monohybrid | 108KB | Angela | *** | 19/11/04 |
| Microbes | 628 KB | Susan | *** | 15/1/04 |
| The Microscope | 648KB | Mr Ryan | **** | 12/9/06 |
| Mitosis | 815KB | Rik G | **** | 18/1/05 |
| Natural Selection model | 97KB | Jane | *** | 29/12/05 |
| Nerve and endocrine systems | 2.9MB | Sarah Berard | ***** | 25/12/06 |
| Nervous System | 2.3MB | Debbie Corral | **** | 23/3/07 |
| Nervous System and drug addiction | 1.39MB | Ray | **** | 11/8/05 |
| Nerves- 1 slide with nice diagram | 956KB | Debbie Corral | *** | 23/3/07 |
| Neurons | 403KB | Michael S | **** | 14/10/05 |
| Nitrogen cycle | 1.3 MB | Jenny P | **** | 23/1/04 |
| Nitrogen Cycle | 140 KB | Ken Macdonald | *** | 5/6/06 |
| Nitrogen cycle 2 | 319KB | Ken Macdonald | **** | 2/7/07 |
| NMR for diagnosis and drug design | 109KB | Lucky Aftab | *** | 20/6/07 |
| Nutrition | 521KB | Michelle Feuer | **** | 25/12/06 |
| Osmosis & Diffusion | 1.2 MB | ET | **** | 19/4/05 |
| Photosynthesis equation keywords | 31KB | Debbie Corral | *** | 8/10/06 |
| population | 100KB | GCHS | ** | 17/10/04 |
| Photosynthesis (flash animatiom) | 288KB | Rodney Boyer | **** | 17/10/04 |
| Photosynthesis | 1.97MB | John | ***** | 11/8/05 |
| Photosynthesis2 | 1.4MB | Ryan Dunne | **** | 25/12/06 |
| Plant Divisions | 3.5MB | Sarah Berard | **** | 25/12/06 |
| Plants general structure | 1.6MB | Rik G | ***** | 29/12/05 |
| Plants- why study them? | 287KB | Trenton | *** | 11/8/05 |
| Plants_A test | 176KB | Bobby | *** | 11/8/05 |
| Plants 2 | 1.1 MB | Keja Beeson | **** | 5/6/06 |
| Plant Tissues | 3.8MB | Ben Zalewski | **** | 25/12/06 |
| Plant structure adaptations and responses | 5.3MB | Sarah Berard | ***** | 25/12/06 |
| Populations | 760KB | Pati Pineda | **** | 23/3/07 |
| Predators and prey | 95 KB | Dave | * | 12/1/04 |
| Proteins | 1.17MB | Sakh Khalsa | **** | 15/1/07 |
| Protein structure | 1.87MB | Mark | **** | 25/11/04 |
| Protein synthesis | 1.0 MB | Jenny P | **** | 23/1/04 |
| Respiration | 1.6MB | Debbie Corral | **** | 8/10/06 |
| Scurvy | 99 KB | Pete | ** | 8/1/04 |
| SexLinkage | 67KB | fkelly.co.uk | *** | 19/11/04 |
| Sexual Differentiation | 2.1 MB | John Bojnowski | *** | 5/6/06 |
| Sexual Reproduction | 206KB | Lisa | *** | 29/12/05 |
| Sexual Reproduction2 | 2.1 MB | John Bojnowski | **** | 5/6/06 |
| Sickle Cell Anaemia | 176KB | Ian Richardson | *** | 15/5/06 |
| Simple Animals | 534KB | Ben Zalewski | *** | 25/12/06 |
| Smoking | 409 KB | Bella | ** | 26/1/04 |
| Solvents | 1.66MB | Mitch | **** | 14/10/05 |
| Structure of DNA | 3.8 MB | Bella | **** | 26/1/04 |
| Structure Skeletal Muscle | 3.6MB | Heprs | **** | 14/10/05 |
| Support and locomotion | 1.1 MB | Mark | *** | 20/1/04 |
| Symbiosis | 134KB | John | ** | 14/10/05 |
| Symbiosis2 | 429KB | Larry | *** | 14/10/05 |
| Symbiosis3 | 312KB | Joe K | *** | 14/10/05 |
| Thalidomide | 1MB | Rik G | *** | 31/10/06 |
| The Body | 450KB | Paresh | **** | 12/2/06 |
| The Human Genome project | 2.5MB | Ian Richardson | *** | 15/5/06 |
| Temperature Regulation | 451KB | Debbie Corral | **** | 23/3/07 |
| Tobacco | 6.82MB | Mitch | **** | 14/10/05 |
| Variation and mutation | 254 KB | Cheryl | ** | 5/7/04 |
| Vertebrates KS3 | 958 KB | Raj Gold | *** | 19/4/05 |
| Viruses | 1.5MB | Jeddy | **** | 14/12/04 |
| Viruses and HIV | 1.0MB | Jessica Moore | *** | 15/1/07 |
| Xerophytes | 1.7MB | IC Smith | *** | 1/4/06 |
| Chemistry | Size | Submitted by | Rating | Date |
| Addition Reactions | 920KB | Jimmy | **** | 29/12/05 |
| Addition Reactions | 920KB | Jimmy | **** | 29/12/05 |
| Aldehydes and ketones | 68KB | Leon | *** | 8/2/04 |
| Analysis if cima painting | 379KB | Leon | *** | 8/2/04 |
| Atomic Structure | 2.03MB | Bella | **** | 12/9/04 |
| Atomic Structure2 | 343KB | Stephen Morris | **** | 31/10/06 |
| Atoms Simple | 42KB | Breslin | *** | 10/5/04 |
| Atoms1 | 1.5MB | Bruce B | **** | 15/6/05 |
| Atoms2 | 153KB | Bruce B | *** | 15/6/05 |
| Atoms Intro | 548KB | Jimmy T | *** | 15/6/05 |
| Atoms, molecules and ions | 1.3MB | Jimmy T | ***** | 15/6/05 |
| AzoCompounds | 85KB | Leon | *** | 9/2/04 |
| Basic Chemistry | 828KB | Mark Silberstein | **** | 8/10/06 |
| Blast Furnace | 109KB | Chen et al | *** | 17/4/04 |
| Blast Furnace2 | 107KB | Shaun, Sam and Eli | *** | 11/8/05 |
| Bonds and Energy | 1.6MB | Keith Hicks | **** | 1/4/06 |
| Carboxylic acids | 142KB | Leon | *** | 9/2/04 |
| Chemical Bonds | 2.7MB | B Vanka | **** | 17/3/05 |
| Chemistry intro | 1.99MB | Eric | **** | 12/2/06 |
| Chromatography | 227KB | Leon | *** | 9/2/04 |
| Covalent Bonds | 101KB | J Allen | *** | 10/5/04 |
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94KB | Ivan Munkedal | *** | 20/8/06 |
| Earths Atmosphere | 17KB | J Allen | ** | 10/5/04 |
| Earth and Rocks | 408KB | J Allen | *** | 10/5/04 |
| Earth History | 147KB | B & C | **** | 11/8/05 |
| Earth Materials | 4.9MB | Roberts et al | ***** | 10/5/04 |
| Electrophilic addition of Bromine | 119KB | Leon | *** | 23/2/04 |
| Empirical Formula | 126KB | Greg Purdum | *** | 15/5/06 |
| Energy Levels Positions | 543KB | Indu Shah | ** | 10/5/04 |
| Green Chemistry | 392KB | Chaitu | *** | 25/12/06 |
| Group1 | 233KB | J Simoni et al. | *** | 15/5/06 |
| Group 1&2 | 307KB | Travis M | *** | 29/12/05 |
| Group7_Halogens | 110KB | AJ Foakes | *** | 19/4/05 |
| Group 7, The Halogens | 315KB | Travis M | *** | 29/12/05 |
| Group 13, the Boron family | 253KB | Travis M | *** | 29/12/05 |
| Group 14, the Carbon Group | 251KB | Travis M | *** | 29/12/05 |
| Group 15, the nitrogen group | 306KB | Travis M | *** | 29/12/05 |
| Group 16, the oxygen group | 455KB | Travis M | *** | 29/12/05 |
| Group18 The Noble Gases | 1.4MB | Travis M | *** | 12/2/06 |
| Groups and electron dot diagrams | 568KB | Travis M | *** | 12/2/06 |
| How Halogens react | 882KB | Keith Hicks | *** | 1/4/06 |
| Ionic Bonds | 180KB | J Allen | *** | 10/5/04 |
| Family-organic | 145KB | Leon | *** | 23/2/04 |
| Geometric Isomerism | 96KB | Leon | *** | 23/2/04 |
| Halogens | 241KB | Tom & Chris | *** | 17/4/04 |
| How Elements Bond | 267KB | Travis | *** | 01/03/06 |
| Lab Experiment | 157KB | GCHS | ** | 17/10/04 |
| Lab tests, results and sulphuric acid | 191KB | Travis M | *** | 12/2/06 |
| Limestone,oil, fractionational distillation | 200KB | Travis | *** | 01/03/06 |
| Mass, atomic and empirical formulas | 116KB | Travis | *** | 01/03/06 |
| Metals in Industry | 540KB | Travis | *** | 01/03/06 |
| Metals and Acids exps | 278KB | Gavin | **** | 12/2/06 |
| Mineral Identification | 5.2MB | David Condor | **** | 20/8/06 |
| NMR presentation | 630KB | Leon | *** | 23/2/04 |
| Naming compounds and ions | 107KB | Travis M | *** | 12/2/06 |
| Oils and Fats | 113KB | Leon | *** | 4/3/04 |
| Organic Chemistry | 2.9MB | CR Klepper | *** | 14/10/05 |
| PeriodicTable1 | 87KB | Jenny | ** | 17/3/05 |
| PeriodicTable2 | 473KB | Inst | *** | 17/3/05 |
| PeriodicTable+Links | 730KB | Bill Byles | ****(for the links) | 17/3/05 |
| PeriodicTable_Test | 312KB | Unnamed | *** | 17/3/05 |
| PeriodicTable_Game | 139KB | Risa | *** | 17/3/05 |
| Plastic Recycling-starter | 107KB | Paul Jackson | ** | Chemistry |
| Polymers | 349KB | Leon | *** | 4/3/04 |
| Radioactivity | 156KB | Keith Hicks | **** | 1/4/06 |
| Rates of reactions and Enzymes | 930KB | Travis | *** | 01/03/06 |
| Reactivity Series | 53KB | Travis M | *** | 12/2/06 |
| Rocks | 355KB | Ant & Kailyn | *** | 17/4/04 |
| Rocks and weathering | 436KB | Stuart S | *** | 18/1/04 |
| Reactions and Equations | 183KB | G | *** | 17/10/04 |
| Redox Reactions | 251KB | Leon | *** | 4/3/04 |
| The d block | 630KB | Leon | *** | 4/3/04 |
| TLC and GLC | 703KB | Leon | *** | 4/3/04 |
| Transition elements | 556KB | Travis | *** | 01/03/06 |
| Types of Rock | 38KB | Karen MacNiven | *** | 20/8/06 |
| Physics | Size | Submitted by | Rating | Date |
| Aircraft classifications | 295KB | Antonio | *** | 22/3/07 |
| Balanced Forces | 882KB | R Tyler | *** | 1/4/06 |
| Basic Electricity | 623KB | William Allan | *** | 20/04/07 |
| Basic Electricity2 | 96KB | William Allan | *** | 20/04/07 |
| Basic Electronics | 104KB | William Allan | *** | 20/04/07 |
| Basic Electronics2 | 725KB | William Allan | *** | 20/04/07 |
| Basic space | 107KB | William Allan | *** | 20/04/07 |
| Bug on windshield- Newtons laws applied | 132KB | Barbara Vanatta | *** | 22/3/07 |
| Colour | 980KB | Chris | **** | 14/10/05 |
| Days, nights, years, satellites | 2.2 MB | K Dawson | **** | 12/1/04 |
| Density | 440KB | GEIms | **** | 22/3/07 |
| Determining the number of wavelengths in a wave diagram | 67KB | Barbara Vanatta | **** | 6/7/07 |
| Determining wave frequency from a graph | 402KB | Barbara Vanatta | **** | 6/7/07 |
| Energy | 468KB | Jon | *** | 14/10/05 |
| Energy in the home | 1.6MB | Williamallan | **** | 22/3/07 |
| Energy matters | 59KB | William Allan | *** | 20/04/07 |
| Types of Energy | 401KB | GEIms | *** | 22/3/07 |
| Edison's Bright Idea | 2.1MB | Peter L | **** | 29/12/05 |
| Electrical Circuits | 461KB | Stephen Morris | ***** | 31/10/06 |
| Electrical Circuits2 | 602KB | Bobbi Martin | **** | 22/3/07 |
| Electrical Safety | 320KB | Mell Conway | **** | 7/7/06 |
| Electricity intro | 712KB | Breed | **** | 7/7/07 |
| Emission spectra | 464KB | Ben Zalewski | *** | 22/3/07 |
| Fission and Fusion | 157KB | Mell Conway | **** | 7/7/06 |
| Forces- Introduction | 95KB | D Kormaz | *** | 22/3/07 |
| lenses | 65KB | William Allan | *** | 20/04/07 |
| Fossil Fuels | 2.21 Mb | Dave | **** | 9/2/04 |
| Gamma-Rays | 1.8MB | Wylie&Sam | **** | 18/1/05 |
| Heat Energy | 135KB | M Reynolds | *** | 12/09/06 |
| Heat Transfer Review | 69KB | Breed | *** | 7/7/07 |
| Household Electricity | 1.48MB | William | **** | 14/12/04 |
| How lightening works | 1.9MB | Demetrios Xeroulis | *** | 31/10/06 |
| InfraRed | 2.5MB | Andrea&Co | **** | 18/1/05 |
| Ionising Radiation and Living Things | 382KB | Mell Conway | **** | 7/7/06 |
| LED | 632KB | Mark | ** | 17/4/06 |
| Light | 406KB | Vicinator | *** | 17/3/05 |
| Magnetism | 1.1MB | Christy Mckinzie | ***** | 15/2/07 |
| Medical Uses of Ionising Radiation | 707KB | Mell Conway | **** | 7/7/06 |
| Microwave | 1.9MB | Parveneh&Co | **** | 18/1/05 |
| Motion | 103KB | Baldeep Singh | *** | 7/7/06 |
| Newton's Laws | 1.2MB | Mike B | *** | 14/10/05 |
| Nuclear Reactions Questions | 93KB | Mell Conway | *** | 7/7/06 |
| Nuclear Reactions Answers | 79KB | Mell Conway | *** | 7/7/06 |
| Particle model conduction | 1.7 MB | Andy | *** | 24/1/04 |
| Phases of the moon | 2.6 MB | K Dawson | ** | 22/1/04 |
| Projectile Motion (updated) | 369KB | Lech Jedral | *** | 15/5/06 |
| Quantum Physics General | 1.5MB | PY | **** | 15/5/06 |
| Quantum Physics-General | 975KB | PY | *** | 1/4/06 |
| Radioactive Decay | 179KB | Mell Conway | **** | 7/7/06 |
| Resultant forces | 63KB | D Kormaz | *** | 22/3/07 |
| Rutherford Scattering | 162KB | Mell Conway | *** | 7/7/06 |
| Radio Waves | 900KB | Tim&Co | **** | 18/1/05 |
| Sound and light | 238KB | Eric | *** | 12/2/06 |
| Spectral lines | 1.39MB | Julie | *** | 14/10/05 |
| Spherical Mirrors | 134 KB | Sawhney Singh | *** | 5/6/06 |
| Starter conductors and insulators | 167 KB | Pete | * | 8/1/04 |
| Static | 357KB | Mike Davies | **** | 15/1/07 |
| Telecommunications | 598KB | William Allan | *** | 20/04/07 |
| Telecom2 | 124KB | William Allan | *** | 20/04/07 |
| Transport | 67KB | William Allan | *** | 20/04/07 |
| Two Source Interference | 130KB | Sylvia | *** | 29/12/05 |
| UltraViolet | 465KB | Elliot | *** | 18/1/05 |
| Waves | 2.2MB | D Power | *** | 17/3/05 |
| Waves2 | 5.5 MB | John | **** | 15/6/05 |
| X-Rays | 3.6MB | L Com | *** | 18/1/05 |