For Aidan Araling Panlipunan Biology Filipino Geography Geometry History Language Math MTB Others All Worksheets All Quizzes Araling Panlipunan The Philippine GovernmentBalangkas/Istruktura ng Pamahalaan ng Pilipinas (Lesson and Worksheets) Mga Pangulo ng Pilipinas (Lesson and Worksheets) Mga BayaniWorksheet 1 (LiveWorksheet)Worksheet 2 (LiveWorksheet)Worksheet 3 (LiveWorksheet) Biology Circulatory system Magic School Bus (YouTube video)How the heart actually pumps blood (YouTube video)How blood pressure works (YouTube video)How bones make blood (YouTube video)Why do blood types matter? (YouTube video) What happens during a heart attack? (YouTube video) How blood pressure works (YouTube video) Muscular system How your muscular system works (TedEd)What makes muscles grow? (TedEd)The surprising reason our muscles get tired (TedEd) Immune system How your immune system works (TedEd)Why do you get a fever when you’re sick? (TedEd) Endocrine system How do your hormones work? (TedEd)What does the pancreas do? (TedEd) Integumentary system The science of skin (TedEd)Why do we sweat? (TedEd)What causes body odor? (TedEd) Digestive system How does your digestive system work? (TedEd)How does your body know you’re full? (TedEd)What does the liver do? (TedEd)Nature’s smallest factory: The Calvin cycle (TedEd) Respiratory system What makes tuberculosis (TB) the world’s most infectious killer? (TedEd) Nervous system Uncovering the brain’s biggest secret (TedEd)How do nerves work? (TedEd)How spontaneous brain activity keeps you alive (TedEd)How do our brains process speech? (TedEd)The benefits of a good night’s sleep (TedEd)What happens during a stroke? (TedEd)What happens when you remove the hippocampus? (TedEd)How does anesthesia work? (TedEd)What is Alzheimer’s disease? (TedEd) Other things about the body Why do our bodies age? (TedEd)Gravity and the human body (TedEd)The benefits of good posture (TedEd)At what moment are you dead? (TedEd) CK-12 Grade 3 Life Science (CK-12)Grade 4 Life Science (CK-12) Major organs of the human body Presentation (YouTube video)Lesson and Worksheets (HuntersWoods)Follow-up (Seterra quiz) Respiratory system Lesson and Worksheets (HuntersWoods) – coming soonHow do lungs work? (YouTube video)Oxygen’s surprisingly complex journey through your body (YouTube video)How does asthma work? (YouTube video)Follow-up – Respiratory System (Seterra quiz) Sci-Show Kids VideosThe Human BodyYour Super Skeleton! (YouTube) Why Do We Blink? (YouTube)How Do Our Bodies Move? (YouTube) PlantsHow Does A Seed Become A Plant? (YouTube) Meat-Eating Plants (YouTube) AnimalsHow do Whales, Penguins, and Polar Bears Keep Warm? (YouTube) Inspect An Insect (YouTube) Ecosystem [Symbiosis] Lichen: Two Living Things In One (YouTube) Filipino Mga Pangungusap Simuno at Panaguri (Bahagi ng Pangungusap) Ayos ng Pangungusap Practice Creating Filipino Sentences – Level 1 Practice Creating Filipino Sentences – Level 2 Lohikal na PagsusuriPresentation & Worksheets (HuntersWoodsPH) Mga Bugtong (Riddles)Bugtong Worksheet 1 (LW) Bugtong Worksheet 2 (LW) Geography Hottest and Coldest Part of the DayPresentation (YouTube) Parts of the VolcanoPresentation (YouTube) Parts of the MountainPresentation (YouTube) CK-12 Grade 3 Physical ScienceForces (CK-12)Friction (CK-12) Gravity (CK-12) Magnets (CK-12) Static Electricity (CK-12)Grade 3 Earth ScienceWeather Forecasting (CK-12)World Climates (CK-12)Fossils of Plants and Animals (CK-12)Grade 4 Physical Science (CK-12)Grade 4 Earth Science (CK-12) Force and FrictionSwings, Slides, and Science (Force) (YouTube) Slipping, Sliding Science (Friction) (YouTube) What is a force? (DK Find Out) God With No HandsPresentation (YouTube video)Text (PDF) SciShow Kids The Earth All About Volcanoes: How They Form, Eruptions & More (YouTube)Where Do Mountains Come From? (YouTube) Be a Rock Detective (YouTube) Where Does Soil Come From? (YouTube) What Causes Earthquakes? (YouTube)What Causes Thunder and Lightning? (YouTube)What is a Tornado? (YouTube)Where Does Water Come From? (The Water Cycle) (YouTube)Why Are There Seasons (YouTube) Forces and MotionSlipping, Sliding Science! (Friction) (YouTube)Fun with Magnets (YouTube) Why Do Ships Float? (YouTube) Simple MachinesSuper Simple Machines: Levers (YouTube)Ramps: A Super, Simple Machine (YouTube)Need a Lift? Try a Pulley! (YouTube)Let’s Get Rolling! (Wheel and Axle) (YouTube)Solving Problems with Simple Machines (YouTube) American Museum of Natural History Topics What do you know about climate change? (AMNH)What do you know about life on earth? (AMNH)Cuban Wildlife Matching Game (AMNH)What do you know about biodiversity? (AMNH)What do you know about poison? (AMNH)What do you know about genetics? (AMNH)What do you know about horses? (AMNH)Mythic creatures challenge (AMNH)Archaeology What do you know about archaeology? (AMNH)Tools of the trade (AMNH)Astronomy Cosmic connections (AMNH)Field trip: Mars (AMNH)Field trip: space flight (AMNH)How did the universe begin? (AMNH)What do you know about astronomy? (AMNH)What do you know about stars? (AMNH)What do you know about the universe? (AMNH) Marine biology What do you know about marine biology? (AMNH)Mangrove ecosystem (AMNH)Marine ecosystems (AMNH)Find my plankton baby picture (AMNH)Ocean creature feature (AMNH)MicrobiologyHow Lou got the flu (AMNH)Human microbiome quiz (AMNH)Paleontology Layers of time (AMNH)What do you know about the T. rex? (AMNH)What do you know about paleontology? (AMNH) Geometry EquivalencesEquivalence of Trapezoids and Rectangles (YouTube video)Equivalence of Rhombi and Rectangles (YouTube video) Area (with Materials) Area of a Rhombus (YouTube video)Area of a Trapezoid (YouTube video)Area of a Pentagon (YouTube video) Area of a ParallelogramPresentation 1 (YouTube video)Presentation 2 (YouTube video)Follow-Up (Worksheets) Area of a TrianglePresentation 1 (YouTube video)Presentation 2 (YouTube video) SquaresTransformation of a Square into a Binomial (YouTube video)Transformation of a Square into a Trinomial (YouTube video) History The Black StripPresentation (YouTube video) Civilizations Key Components of Civilizations Old World Sumerian (YouTube video)Sumerian civilization worksheet (Worksheet) Egyptian (YouTube video)The Story of Ancient Egypt (YouTube)Egyptian civilization worksheet (Worksheet) Indus Valley (YouTube video)Indus Valley civilization worksheet (Worksheet) Yellow River: The Story of Ancient China (YouTube video) New World Aztec (YouTube video) – coming!Aztec and Mayan (YouTube video) Mayan (YouTube video 1) Mayan (YouTube video 2)Mayan civilization worksheet (Worksheet)Mayan civilization worksheet (Worksheet)Incan (YouTube video) Other civilizationsAssyrian (YouTube video) Byzantine (YouTube video) Kush (YouTube video) Ottoman (YouTube video) Story of the Coming of LifePresentation (YouTube video) Text (PDF) Timeline of LifePresentation (YouTube video) Chart (PDF) Fundamental Needs of ManPresentation (YouTube video) BC/AD TimelinePresentation (YouTube video) – doneFollow-Up: BC-AD Timeline of World History (Worksheet) Follow-Up: BC-AD Timeline of Philippine History (Worksheet) Timeline of Human BeingsPresentation: Human Origins 101 (National Geographic)Seven Million Years of Human Evolution (American Museum of National History) Human species Homo habilis (YouTube video) Homo erectus (YouTube video) Homo neanderthalensis (YouTube video) Homo sapiens (YouTube video) Neanderthals 101 (TedEd) PBS Your Place in the Primate Family Tree (PBS Eons) When We First Walked (PBS Eons) When Humans Were Prey (PBS Eons) The Humans That Lived Before Us (PBS Eons)When We First Made Tools (PBS Eons) When We Tamed Fire (PBS Eons) When We Took Over the World (PBS Eons) When We Met Other Human Species (PBS Eons) The Story of…PresentationFoodThe simple story of photosynthesis and food (TedEd) The history of tea (TedEd) Art Music and creativity in ancient Greece (TedEd) – done Who was the world’s first author? (TedEd) A brief history of religion in art (TedEd)Dissecting Botticelli’s Adoration of the Magi (TedEd) Why is this painting so captivating? (TedEd) Why is Vermeer’s “Girl with the Pearl Earring” considered a masterpiece? (TedEd) – doneWhat is abstract expressionism? (TedEd) Shelter The Evolution of Shelter (National Geographic) Housing Through the Centuries (The Atlantic) Defense A day in the life of a Roman soldier (TedEd) A day in the life of a Cossack warrior (TedEd) The rise and fall of the Celtic warriors (TedEd) The city of walls: Constantinople (TedEd) Clothing Young explorers: a brief history of clothing (The British Museum) Getting dressed in the 18th century (National Museums Liverpool) ReligionThe five major world religions (TedEd) It’s a church. It’s a mosque. It’s Hagia Sophia (TedEd) Medicine:A day in the life of an ancient Egyptian doctor (TedEd) A day in the life of an Aztec midwife (TedEd) A day in the life of a Celtic druid (TedEd) Ancient Rome’s most notorious doctor (TedEd) How aspirin was discovered (TedEd) The accident that changed the world (TedEd) How we conquered the deadly smallpox virus (TedEd) Transportation An Animated History of Transportation (The Atlantic) How did Polynesian wayfinders navigate the Pacific Ocean? (TedEd) What’s so special about Viking ships? (TedEd) – doneCorruption, wealth and beauty: The history of the Venetian gondola (TedEd) The Silk Road: Connecting the ancient world through trade (TedEd) How does math guide our ships at sea? (Ted Ed) Under the hood: The chemistry of cars (TedEd) How the world’s first metro system was built (TedEd) How the world’s longest underwater tunnel was built (TedEd) Stages in the Progress of CivilizationPresentation (YouTube video)Related Videos:A day in the life of an ancient Athenian (TedEd) Did ancient Troy really exist? (TedEd) Is there any truth to the King Arthur legends? (TedEd) – doneWhat happened to the lost Kingdom of Kush? (TedEd) The rise and fall of the Inca Empire (TedEd) The rise and fall of the Inca Empire (TedEd) The rise and fall of the Assyrian Empire (TedEd) The rise and fall of the Byzantine Empire (TedEd) The rise of the Ottoman Empire (TedEd) The rise and fall of the Mongol Empire (TedEd) This is Sparta: Fierce warriors of the ancient world (TedEd) Who built Great Zimbabwe? And why? (TedEd) The Silk Road: Connecting the ancient world through trade (TedEd) A brief history of goths (TedEd) The rise and fall of the Celtic warriors (TedEd) Language Riddles Various riddles (Pocoyo) Adjectival Modifiers and Appositives Presentation (YouTube) Attributives and Appositives Presentation (YouTube) Adverbial Modifiers Presentation (YouTube)Sentence Analysis: Adverbial Extensions (YouTube) Part participle Exercise 1 (Worksheet)Exercise 2 (Worksheet) Parts of a Letter Presentation (YouTube video) Idioms Presentation (YouTube video) Follow-up – Worksheets Math Signed NumbersConcept of negative numbers – Montessori Stories (YouTubeVideo)Negative numbers – MathAntics (YouTubeVideo) Extracting a Square Root for Numbers Less Than 225 Presentation (YouTube Video) Follow-up – in MHP Calculation of Prime Factors Using Table C Presentation (YouTube Video) Multiplication Multiples Table A Multiples Table B