What is weather? -- What is the sun? -- What makes the seasons? -- Where does the sun's energy go? -- How do we measure temperature? -- How did people forecast weather in the past? -- Did humans cause the greenhouse effect? -- How can the sun's rays be deadly? -- What makes the wind blow? -- How do we measure the wind? -- What are air currents? -- What turns wind into a twister? -- What is el niøo? -- How can there be water in the air? -- What are clouds and how do they form? -- Why does rain fall? -- How is a thunderstorm different from an ordinary rain storm? -- What causes lightning and thunder? -- Water, water... everywhere? -- What causes a hurricane? -- What are careers? -- What are your answers? -- Fast facts.