Free science articles for students grades 4–10: atoms, cells, evolution, electricity, the solar system, and more. Grounded in curated curricula.https://epivo.ai/enhttps://epivo.ai/learn/science/how-does-the-immune-system-work/https://epivo.ai/learn/science/how-does-the-immune-system-work/How does the immune system work? Discover innate and adaptive defences protecting your body from infection, and why vaccines and allergies matter.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-a-black-hole/https://epivo.ai/learn/science/what-is-a-black-hole/What is a black hole? Discover how dying stars collapse, why nothing escapes their gravity, and how scientists captured the first image.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-dark-matter/https://epivo.ai/learn/science/what-is-dark-matter/What is dark matter? Discover how invisible matter shapes galaxies, the evidence that reveals it, and why scientists are still searching for answers.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-nuclear-fusion/https://epivo.ai/learn/science/what-is-nuclear-fusion/What is nuclear fusion? Discover how stars fuse hydrogen into helium, how it creates every element, and why scientists are building artificial suns.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-plate-tectonics/https://epivo.ai/learn/science/what-is-plate-tectonics/What is plate tectonics? Learn how Earth's moving plates build mountains, trigger earthquakes, and have shaped every continent over billions of years.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-big-bang-theory/https://epivo.ai/learn/science/what-is-the-big-bang-theory/What is the Big Bang theory? Learn about the universe's origin 13.8 billion years ago, the evidence behind it, and the first moments of time.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-origin-of-life/https://epivo.ai/learn/science/what-is-the-origin-of-life/What is the origin of life? Discover how Earth's first cells formed 4 billion years ago — from amino acids, RNA, and our universal common ancestor.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-theory-of-relativity/https://epivo.ai/learn/science/what-is-the-theory-of-relativity/What is the theory of relativity? Learn how Einstein's special and general relativity explain time, gravity, and E=mc² in plain language.Thu, 12 Mar 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/how-does-the-human-body-work/https://epivo.ai/learn/science/how-does-the-human-body-work/How does the human body work? Explore the major organ systems — circulatory, respiratory, and nervous — and discover how they keep us alive.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-are-atoms/https://epivo.ai/learn/science/what-are-atoms/What are atoms? Discover how these tiny particles build all matter, from protons and electrons to molecules, and why atoms are central to chemistry.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-are-the-states-of-matter/https://epivo.ai/learn/science/what-are-the-states-of-matter/What are the states of matter? Discover how solids, liquids and gases differ — and how particle theory explains melting, boiling and changing state.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-a-cell/https://epivo.ai/learn/science/what-is-a-cell/What is a cell? Discover how cells work as the building blocks of all living things — from simple bacteria to the 37 trillion cells in the human body.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-climate-change/https://epivo.ai/learn/science/what-is-climate-change/What is climate change? Discover how rising greenhouse gases warm Earth, drive extreme weather, melt ice, and reshape ecosystems worldwide.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-dna/https://epivo.ai/learn/science/what-is-dna/What is DNA? Discover how the double helix stores genetic information, how it gets copied when cells divide, and why it is central to all life.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-electricity/https://epivo.ai/learn/science/what-is-electricity/What is electricity? Discover how electric charge flows through circuits to power modern life — and how voltage, current, and resistance work.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-evolution/https://epivo.ai/learn/science/what-is-evolution/What is evolution? Discover how Darwin's natural selection theory explains the diversity of life — and why evolution matters for biology today.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-gravity/https://epivo.ai/learn/science/what-is-gravity/What is gravity? Learn how the invisible force between all objects keeps your feet on the ground, holds the Moon in orbit, and shapes the universe.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-light/https://epivo.ai/learn/science/what-is-light/What is light? Discover how electromagnetic waves carry energy, why light travels at 300,000 km/s, and how the spectrum creates every colour we see.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-photosynthesis/https://epivo.ai/learn/science/what-is-photosynthesis/What is photosynthesis? Discover how plants turn sunlight, water and CO2 into food — and why this process supports almost all life on Earth.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-sound/https://epivo.ai/learn/science/what-is-sound/What is sound? Learn how vibrating objects create pressure waves, how frequency shapes pitch, and how ears turn vibrations into what we hear.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-periodic-table/https://epivo.ai/learn/science/what-is-the-periodic-table/What is the periodic table? Learn how elements are organised by atomic number, what patterns emerge, and why it is chemistry's most important tool.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-solar-system/https://epivo.ai/learn/science/what-is-the-solar-system/What is the solar system? Discover the Sun, eight planets, moons and more — and learn how gravity holds everything in orbit around our star.Fri, 27 Feb 2026 00:00:00 GMTSciencehttps://epivo.ai/learn/science/what-is-the-water-cycle/https://epivo.ai/learn/science/what-is-the-water-cycle/What is the water cycle? Learn the four stages — evaporation, condensation, precipitation and collection — and why this cycle sustains life on Earth.Fri, 27 Feb 2026 00:00:00 GMTScience