Teaching Kids to Read and Write

  Why is the sun hot? The sun is a burning ball of gases. We feel its heat, even though it's 93 million miles away. Hot stuff! The sun's heat brings changes in the weather. Why can't I look at the sun? The sun is much too bright for our delicate eyes and could cause blindness. It's rude to stare - and in this case, it's very dangerous. Why does it feel cold when a cloud covers the sun? Clouds soak up most of the sun's warm rays, just like a sponge soaks up water. The air near the ground soon cools - and this can spoil your fun in the sun. Why do rainbows appear? Rainbows appear when the sun's behind you and there's rain ahead because sunlight splits into colors as it passes through water droplets. Why are rainbows full of color? White sunlight is a perfect blend of seven colors: red, orange, yellow, green, blue, indigo, and violet. So these are the colors that appear when a ray of sunlight passes through a raindrop and splits up. Why is this rainbow whit...