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  • Doctor Who: Physics! Physics!

    The Doctor hides himself in an elementary school to investigate an alien attack. As the teacher, he asks his students various physics questions to understand how much they know. One student, Milo, proves he's unusually smart and triggers the Doctor's interest.

  • Bill Nye, the Science Guy: A Big Static Electrical Charge

    Bill Nye uses a Van de Graaff generator to demonstrate how static electricity works and why it repels his rockstar hair.

  • Bill Nye, the Science Guy: Atom

    Bill Nye explains that an atom is composed of protons, neutrons, and electrons. Protons and neutrons are found in the nucleus and have a positive and a neutral charge, respectively. Electrons, taking on a negative charge, move around the nucleus. Bill Nye demonstrates that an atom is mostly empty space by illustrating the distance between the nucleus and the electrons.

  • Ernest Goes to Jail: Ernest Becomes Charged

    Ernest is sentenced to death and somehow survives the electric chair. He gains electrical powers as a result of enduring the electric chair and uses them to disarm the guards and escape prison. He learns to control his powers and create a static discharge at will.

  • CrashCourse: Ionic Bonds

    Ionic bonding is a type of chemical bond that involves the attraction between oppositely charged ions. Unlike covalent bonds, ionic bonds do not share electrons; instead, they donate or accept electrons.