Not Just Because - Physics

Mutual Pledge Incorporated
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Physical science for kids around 7 to 10, exploring forces, energy, space, and matter with vivid examples, plain language, and honest curiosity.

Episodes

  1. 5d ago

    Why Rainbows Wear Seven Stripes

    Sunlight looks white, but it secretly carries every color mixed together — and a raindrop can split them apart. This episode traces the path of a single beam of light as it enters a water droplet, bends, bounces off the back wall, and fans out into the familiar arc of red, orange, yellow, green, blue, indigo, and violet. Along the way, the physics of refraction gets unpacked with kitchen-table analogies, and a surprising connection between the speed of light and the order of rainbow colors clicks into place.

    12 min

  2. Mar 19

    Why Do Planets Go Around the Sun?

    Earth hurtles around the sun at 67,000 miles per hour yet never flies off into the void—so what keeps it locked in that endless loop? This episode unpacks the invisible pull of gravity, using analogies like marbles on a stretchy trampoline to reveal how massive objects warp the space around them and create orbits. Along the way, the conversation explores why we can't feel our planet's tremendous speed and what would happen if that gravitational tether suddenly vanished.

    12 min

  3. Mar 19

    Why Are Some Things Bouncy and Others Not?

    Dropping a rubber ball sends it springing back into the air, but a lump of clay just hits the ground with a lifeless thud—so what makes the difference? The answer lies in elasticity: the ability of a material to deform under impact and then snap back to its original shape. This episode unpacks how the hidden molecular structure of materials determines whether energy is stored and returned as a bounce or absorbed and lost as heat and permanent deformation.

    13 min

  4. Mar 19

    What Makes the Sun Shine and Glow?

    The Sun has been shining for four and a half billion years, far too long to be explained by any ordinary fire—so what actually powers it? Starting from the ancient guess that the Sun was a giant lump of burning coal, the episode traces how scientists realized that chemical burning couldn't possibly last long enough, leading to the discovery that tiny atoms smashing together deep in the Sun's core produce the enormous light and heat we feel millions of miles away.

    11 min

  5. Mar 19

    What Is Electricity? How Does It Power Things?

    Electricity powers nearly everything in modern life—lights, phones, fridges—yet it remains invisible and deeply mysterious to most people. Starting at the atomic level, this episode unpacks what electricity actually is, what's physically moving through the wires in your walls, and how flipping a switch translates into energy that can light a room or run a video game. Vivid analogies and playful banter make the science accessible and surprisingly fun.

    14 min

  6. Mar 19

    What Is a Battery? Can I Make One at Home?

    Batteries power nearly everything in daily life, but what's actually happening inside those little tubes of stored energy? This episode breaks down the chemistry of how electrons get pushed through a circuit, why batteries eventually die, and how to build a simple working battery at home using common kitchen items like lemons and pennies. Along the way, the science of electrodes, electrolytes, and chemical reactions gets unpacked in a way that makes the homemade version feel like a natural next step.

    13 min
  • 6 Episodes

About

Physical science for kids around 7 to 10, exploring forces, energy, space, and matter with vivid examples, plain language, and honest curiosity.

Information

  • Creator
    Mutual Pledge Incorporated
  • Years Active
    2K
  • Episodes
    6
  • Rating
    Clean
  • Copyright
    ©2026 Mutual Pledge Incorporated
  • Show Website
    Not Just Because - Physics