Select a subject: Animals Astronomy Biology Botany Chemistry Earth Science General Science Insects Math Is the Red Sea really red? How does the change in temperature of sand and water affect wind direction at the beach? Today, here in British Columbia I saw 2 rainbows appearing at the same time. Can you please tell me how this is possible? I find it so intriguing. The second rainbow looks like a reflection of the first one. Why dont clouds fall out of the sky? Where does the water go when the tide is out? How dangerous is lightning? Why does lightning happen? Why is the sea salty? How does rain and snow fall from the sky? What is the driest place on Earth? What is quicksand made of? What is the world's fastest moving glacier? Does metal attract lightning?
