20 Light

Light written by John Lockyer

约翰·洛克耶著

There are many kinds of light. The sun gives us most of our light. We use sunlight to see. Animals use it to see, too. Plants use sunlight to grow and make food.

光有很多种。 太阳给了我们大部分的光。 我们用阳光看东西。动物也用它来看东西。 植物利用阳光生长并制造食物。

The Earth is turning around all the time. As it turns, part of it faces the sun. The sun's light makes it daytime there. day and night The part of the Earth that is turned away from the sun is dark. There is no light there. It is night time.

地球一直在转动。 当它转动时，它的一部分面向太阳。 太阳的光线使那里成为白天。 地球背向太阳的那部分是黑暗的。 那里没有光。现在是晚上。

Nothing moves faster than light from the sun. It takes just 8 minutes to get to us on Earth. Light makes a shadow if it can't shine through something, like people or a wall. shadows

没有什么比来自太阳的光移动得更快。 它只需要8分钟就能到达地球。 如果光不能穿透某些东西，比如人或墙，就会产生阴影。 阴影

Light slows down and bends when it goes through water. It makes things under the water look bigger and closer. underwater Shiny things like mirrors reflect the most light. We can see our reflection in a mirror.

当光穿过水时，它会变慢并弯曲。 它使水下的东西看起来更大更近。 像镜子这样闪亮的东西反射的光最多。 我们可以在镜子里看到自己的倒影。

Light is made of 7 colors. They are red, orange, yellow, green, blue, indigo, and violet. These colors make white light when they are all mixed together, rainbow You can see the colors of white light when the sun shines through rain. It makes a rainbow.

光是由7种颜色组成的。 它们是红色、橙色、黄色、绿色、蓝色、靛蓝和紫色。 当这些颜色混合在一起时，就会发出白光，彩虹。当太阳穿过雨时，你可以看到白光的颜色。 它形成了一道彩虹。