When winter rolls around, you don’t have to store up plenty of food to eat when it’s cold outside. You just keep going to the store when you need more food. For many animals, though, the “store” isn’t open year-round. For example, many plants and trees only produce …

Terracotta is a type of ceramic pottery. It’s used to make many flower pots. Terracotta is also often used for pipes, bricks, and sculptures. Terracotta pottery is made by baking terracotta clay. In fact, the word “terracotta” comes from the Italian words for “baked earth.” Makes …

To understand humidity, you first have to realize that there’s water in the air all around you. “But I’m not wet!” you might say. That’s true. Most of the air around you has water in the form of a gas called water vapor. Humidity is the amount of water vapor in the …

Hundreds of years ago, people believed Earth was flat and that the Sun traveled around Earth. We now know different, but were those views really all that crazy back then? Probably not! The evolution of scientific knowledge has proven that, …

The adults in your life probably tell you regularly how important sleep is. Most children would prefer to stay up as late as possible, though. It’s just no fun to go to bed when there are still books to be read, …

Have you ever seen a catfish? If so, you might already know where its name came from. Long, thin tendrils protrude from around their mouths. These look a lot like whiskers! However, catfish don’t have whiskers of hair like cats and dogs. Instead, these special whisker-like feelers are …

Have you ever WONDERed what the fastest car in the world is? Before we look at a couple of the contenders, we should make clear that we’re not talking about those special vehicles modified to set land speed records. For …

Sneezing — also called “sternutation” — is your body’s natural, reflexive way of getting rid of something irritating inside your nose. All sorts of things, such as dust, cold air, and pepper, can irritate the inside of your nose and …

Humans might never grow gills. However, they may be able to live underwater without them. Technology makes new things possible each day. People already drive in underwater tunnels. Some even live in submarines for short periods of time. How long before there are underwater houses? …

In 1666, the famous scientist Isaac Newton discovered that if sunlight passed through a triangular piece of glass called a prism, the white light would split into a band of colors. This band of colors was made up of red, orange, yellow, green, blue, indigo, and violet light. These are …

The pangolin is sometimes known as the “scaly anteater.” Some people also call it a pinecone with legs or an artichoke with a tail. However you describe it, the pangolin is certainly an odd-looking creature! Although some people think it’s a reptile, the pangolin is …

Cloning. The word itself probably conjures images from a science fiction movie, in which an evil genius creates clones of himself. With an army of genetically-identical twins at his command, the mastermind then proceeds to take over the world! But …

The hippo is also known by its full name (hippopotamus) or its scientific name (Hippopotamus amphibius). Its name comes from the ancient Greek words for “river horse,” because these large mammals spend much of their time in the water. After …

This process of converting water and carbon dioxide into oxygen and glucose is called photosynthesis. A chemical called chlorophyll helps the process of photosynthesis occur. Chlorophyll is also what gives plants their green color. As summer ends and autumn begins, the days get shorter and shorter. With fewer daylight hours, leaves are not able to make …