Joy at the Niagara Falls

There was nothing to discuss. Everyone knew the place to go this week- the thunderous Niagara Falls. So much so, that the Blue Fairy came prepared with two magical raincoats handy!
“Why do we need raincoats? Does it rain often at the falls?” asked Sid.
“No, the raincoats are not for the rainwater, dear.” Replied the blue fairy. “The Niagara falls are massive- they are actually a set of waterfalls, and the water from these falls can drench you. This might be especially distracting while flying.”
Armed with the raincoats, the boys flew towards the Niagara Falls. Joy was most excited, because he had read about them in a book a few days ago. Now that he had a chance, he also wanted to show off his knowledge to the fairy.
“I am thrilled about seeing the Horseshoe Falls, Blue Fairy” he said.
“Horseshoe Falls!” exclaimed Sid. “I thought we were going to the Niagara Falls.” As it is, he didn’t like water much. And now Joy is taking them to yet another waterfall!
“Horseshoe falls are a part of the Niagara Falls, Sid.” The Blue Fairy saw his unhappiness, and explained. “They are not much high, but are very wide. They mark the boundary between USA and Canada. A lot of water falls down this exceptionally powerful waterfall everyday. In fact, Niagara Falls are a very important source of electricity in that area.”
“Electricity??” cried the kids. “A waterfall can give us water, but how can it give us electricity?”
“Electricity can be generated from a number of ways, children”, the fairy replied. “And fast moving water is one of those ways. The electricity thus generated is called Hydroelectricity.”
Much of the blue fairy’s sentence was drowned in a loud noise. It sounded like thunder, except that the sky was totally clear. It also sounded like fast moving traffic on a highway, but there was not much traffic in night. What was this thunderous sound??
The Fairy shouted on top of her lungs to be audible: “It is the sound of the falls. We are approaching them now.”
The boys flew right behind the blue fairy, and soon were flying over an incredibly beautiful display of nature’s power. They landed at the ground just besides the falls. The water fell in three sections- the main ‘Horseshoe Falls’, the ‘American Falls’ and the small ‘Bridal Veil Falls’.
“I’ll come back to take you guys home”, shouted the Blue fairy, so that the awestruck boys could hear her.
“No please.” Sid immediately pleaded with her. “I’ll be with you”.
Wonderful, as the scene was, Sid was scared of the water. He remembered his encounter with sharks last season while using the magical fins.
Reluctantly, Joy too agreed to leave for home early. And the kids reached back home much sooner than expected.
“Make sure you learn to swim during the summers!” said Joy to Sid. “Then we can spend more time at such lovely locations.”