new release coming soon

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new release coming soon



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Do we have free-will?

By Sandile MHlophe -
 Are you free?  we often think we are free but are we really free? this question sounds so simple yet it is actually not. What does it even mean to be free? Well in this post I will explain to the best of my knowledge what is free will and whether we have it or not. can you escape fate? Let's consider the story below: When Thabiso was born a prophet foretold that he would grow up to kill his father and then marry his mother. His father fearing for his life decided to leave the baby in the wilderness with the hope that he will die, thefore the prophecy will not come  true. The baby was found by another couple, and grew up knowing them as his parents. The boy heard of the prophecy, not knowing his adopted and because he loves his father(adopted) he decided to go away from his family to avoid the prophecy. In the way he met and killed a man and then felt bad for the wife of this man, he decided to marry her. The man he met is in fact his fat...
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USUMENYEZELWE-KE UMCEBO – MJ Mngadi

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IMPI YABOMDABU ISETHUNJINI – JC Buthelezi

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BENGITHI LIZOKUNA – NG Sibiya

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Rutherford scattering - Simulation

By Sandile MHlophe -
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Molecular and light - Simulation

By Sandile MHlophe -
  Topics Molecules Photons Absorption Light Description Turn light source on to explore. Observe what happens in the observation window as you set up different combinations of light source and molecule. Note this simulation is the first to support our pan and zoom feature, so zoom in for a closer look, if you need to. Sample Learning Goals Explore how light interacts with molecules in our atmosphere Identify that absorption of light depends on the molecule and the type of light Relate the energy of the light to the resulting motion Identify that energy increases from microwave to ultraviolet Predict the motion of a molecule based on the type of light it absorbs Identify how the structure of a molecule affects how it interacts with light
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Friction - Simulation

By Sandile MHlophe -
  Topics Friction Thermodynamics Heat Description Move the Chemistry book and observe what happens. Sample Learning Goals Describe a model for friction a molecular level. Describe matter in terms of molecular motion. The description should include: diagrams to support the description, how the temperature affects the image, what are the differences and similarities between solid, liquid and gas particle motion; how the size and speed of gas molecules relate to everyday objects.
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Resistance in a wire - Simulation

By Sandile MHlophe -
  Topics Resistivity Resistance Circuits Description Observe changes to the equation and wire as you play with the resistivity, length, and area sliders. Sample Learning Goals Predict how changing each variable will affect the resistance. Explain the difference between resistance and resistivity.
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Bending light - Simulation

By Sandile MHlophe -
Image
Click to Run Topics Snell's Law Refraction Reflection Optics Prisms Lenses Light Description Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.
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Vector addition - Simulation

By Sandile MHlophe -
  Topics Vectors Vector Components Vector Addition Equations Description Explore vectors in 1D or 2D, and discover how vectors add together. Specify vectors in Cartesian or polar coordinates, and see the magnitude, angle, and components of each vector. Experiment with vector equations and compare vector sums and differences. Sample Learning Goals Describe a vector in your own words Explain a method to add vectors Compare and contrast the component styles Decompose a vector into components Describe what happens to a vector when it is multiplied by a scalar Arrange vectors graphically to represent vector addition or subtraction
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