What causes thunder and lightning?
Why do lightening thunder occurs?
Why are rain-bearing clouds usually dark in colour? Is lightning a solid, liquid or gas and why? Does lightning strike oceans? How does charge build up in a cloud to form lightning? How is it possible for sun to have more energy than Lightning? What happens when lightning strikes a car? Why is lightning considered a plasma? What are the hurdles in developing a system in which harnessing lightening from the clouds during thunderstorms provides for our power needs? How can the hurdles be overcome in the future? What kind of research work is going on in this direction? I have been close to a lightning strike outside twice. Both times I heard a distinctive sizzling sound from the lightning. What could this be? Why do flowers bloom at night? What causes sunspots to appear black when they are surrounded by light? What happens when lightning strikes the oceans surface? How are nearby organisms affected by it? Why do ultraviolet lights have radiation? How is a lightning bolt formed? What happens when lightning strikes a mirror? What happens when lightning strikes in seas and oceans? How does ice and water acquire charge in a cloud, and form lightning? How does lightning travel through air? Despite air being a poor conductor of lightning. How does the sun combust? Why does it rain? Why isn't there lightning during a blizzard? Why does the sky sometimes appear purple? Why do stars twinkle in the night sky? What causes light to be light? Why sometimes at night sky looks brown in colour? Why is (UV) Ultraviolet light dangerous? What happens when ultraviolet light shines on glass? Why wont collisions emit light? Why specifically sound and heat? Do every type of energy have something in common? Why are flies always attracted to lights? Why do land breezes occur at night?