What is electricity? -- How does electricity make sparks? -- Negative and positive -- What are the practical effects of static electricity? -- How can electrical energy be used to make things glow? -- How do we measure electrical charge? -- How does electrical charge discharge? -- How does a battery work? -- How can battery cells be joined to develop a bigger charge? -- Why does a loop need to be complete for electricity to flow? -- Conductors and resistors -- How do we connect circuits? -- How are electricity and magnetism linked?