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Science
Science stories for kids that answer the questions they actually ask: why the sky changes color, how the body works, what space is made of, and how everyday gadgets do what they do. The Big Why series explains one question per chapter in a story kids can follow, and each chapter ends with a short quiz. They're great for curious readers, homework help and learning together. The first chapter of every series is free to read on Papyrly, on the web or in the app.
Completed · 20 topicsThe Big Why: Micro-World Edition
Shrink down to a size smaller than a grain of sand. We’re diving into the invisible kingdom of cells, atoms, and tiny monsters to solve the 'why' behind the world you can’t see with the naked eye.
by Papyrly
Completed · 20 topicsThe Big Why: Gadgets & Gizmos Edition
We use technology every second, but it often feels like magic. We’re taking apart the world’s coolest inventions—from the smartphone in your pocket to the massive planes in the sky—to reveal the science hiding inside the circuits and gears.
by Papyrly
Completed · 20 topicsThe Big Why: Food Edition
Your kitchen is actually a high-tech laboratory! We’re putting on our chef hats to solve the mysteries of the meals we eat, uncovering the invisible chemistry, biology, and physics hiding in your fridge and pantry.
by Papyrly
Completed · 20 topicsThe Big Why: Extreme Earth Edition
Forget your backyard—we are traveling to the edges of the map. From mountains that breathe fire to ice that moves like a slow-motion river, we explore the 'why' behind the most powerful forces on Earth.
by Papyrly
Completed · 20 topicsThe Big Why: Weather Edition
Join us on a cinematic journey understanding the Earth's atmosphere. From the invisible magic of the wind to the electrical fury of a thunderstorm, we solve the riddles of how our planet moves heat and water to stay alive. Perfect for curious explorers ready to discover the science behind the clouds.
by Papyrly
Completed · 50 topicsThe Big Why: Space Edition
Join us on a cinematic journey across the cosmos. From the invisible forces holding our boots on the ground to the eerie silence of the vacuum, we explore the 'why' behind the stars. Perfect for curious minds ready to blast off into the unknown.
by Papyrly
Completed · 20 topicsThe Big Why: Light & Sight
Why is the sky blue? How do mirrors work? Why does the ocean look different than a glass of water? This course explores 'The Big Why' behind light, color, and illusions. We explain the complex physics of our world using simple analogies that any curious mind can understand, from the bedroom to the deep sea.
by Papyrly
Completed · 20 topicsThe Big Why: Body Edition
Why do you get goosebumps? Why does your skin wrinkle in the bath? Your body is a high-tech machine with a lot of strange 'glitches' that are actually clever tricks to keep you safe and healthy. This course explores the 'Big Why' behind hiccups, brain freezes, dreams, and more, making the complex world of human biology fun and easy to understand.
by Papyrly
Completed · 50 topicsThe Big Why: Animals Edition
Beyond the limits of human sight and sound lies a hidden world of biological wonders. From the 3D-smelling noses of dogs to the invisible compasses inside a bird's eye, we deconstruct the biological gadgets that make survival possible. Join us on an epic mission to solve the riddles of life on Earth and discover the genius hidden in your own backyard.
by Papyrly