What Makes All That Noise?

Did you have a thunderstorm at your house last night? I did and it was loud! Have you ever wondered what makes all that loud thunder? First, lets think about what we know. What makes all sound? You remember! Vibrations! But where do the vibrations in the sky come from? Have you noticed thunder is always with lightning? That's because the lightning is what causes the thunder. The lightning shoots through the air, heats up the air and causes the air to vibrate and make that loud sound! Look at the link below for more information and a quick experiment to try at home,. http://www.sciencemadesimple.co.uk/page86g.html