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Have you ever wondered where chalk comes from? Tiny animals called foraminifera live in the sea. Each of these small living animals makes a tiny shell out of lime. When they die, their shells remain. With time, these shells become layers of white rock which we call chalk. Chalk is often found in places that were once underwater.

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Soccer players learn many skills when playing soccer. Soccer players learn how to dribble and pass the ball. They also learn how to control the ball, so they can eventually score. Most importantly, soccer players learn how to work together with their teammates.

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There are several ways to determine if a snake is poisonous or not. First, poisonous snakes usually have triangular shaped heads while nonpoisonous snakes have rounded heads. Second, poisonous snakes have pupils that look like slits. Nonpoisonous snakes have pupils that are rounder. Finally, the snouts of poisonous snakes are sometimes upturned, while nonpoisonous snakes have rounded snouts.

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Elephants use their trunks for many things. Elephants use their trunks to smell. In fact, elephants can smell better than bloodhounds. Baby elephants sometimes suck their trunks to soothe themselves the way human babies suck their thumbs. Elephants do not drink with their trunks. They use their trunks to suck up water and then pour it in their mouths. Elephants also greet each other with their trunks the way humans do by shaking hands.

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Did you know that the Statue of Liberty was once brown instead of green? The Statue of Liberty is made of copper, a shiny brown metal. Over time, the Statue of Liberty changed from brown to a pale green color, because of a chemical reaction called oxidation. As the statue was exposed to air and water, oxidation occurred. The statue became covered in a thin, green layer. This green layer actually protects the statue from further damage by weather.

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There are many fun things to do at the beach.  Swimming is one thing that can be done at the beach.  Snorkeling is another thing that can be enjoyed.  Playing beach volleyball can be a lot of fun.  It is also fun to look for shells.  Some people simply like to sunbathe. What is the main idea of this paragraph?

All clouds are made as a result of water vapor rising from rivers, oceans, and lakes. Although all clouds are formed in the same way, scientists have classified and named them according to their appearance. For example, stratus clouds look like long, flat sheets in the sky, and cirrus clouds appear curly and wispy. Another type of cloud is the cumulus cloud, which looks like a mass of puffy, white cotton balls.

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Floods can cause tremendous damage. They can ruin houses, roads and buildings. Floods can take down trees and cause mudslides. They often leaves mud, sand and debris behind. It can take months to clean up after a flood.

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