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What is the body’s largest organ? Skin! Skin is the body’s outside layer. It protects your body. Here’s the scoop on skin. In Control Skin helps keep the body at the right temperature. We get goose bumps when it’s cold.…
What is sound? Sound is created when an object vibrates. The vibrations travel in waves. Sound waves reach our ears. The ears send a message to the brain. That’s how we hear different sounds! A sound can be loud or…
A tree has fallen in the forest. Its branches are rotting. But rotting logs are full of life. Look what lives and grows on logs. Ferns grow on fallen wood. These leafy plants do not have flowers. Mushrooms are a…
The sky is dark. The clouds are heavy. The wind is strong. It’s storming! Storms happen all around the world. But not all storms are alike. Here are four types of storms. Have you been caught in a storm? Thunderstorm …
A weather map shows information about the weather. Meteorologists use weather maps to see patterns. The maps help them predict the weather. A weather map can show temperature, wind speed, wind direction, and more. It shows where storms are and…
Close your eyes. Imagine the Earth millions of years ago. Giant reptiles ruled the planet. Now join TFK as we travel back in time. Let’s explore the world of dinosaurs! This is a Tyrannosaurus rex. It was one of the…
The moon is Earth’s closest neighbor. It is the brightest object in the night sky. Scientists have studied the moon for thousands of years. Learn more about the moon. The moon is about 4½ billion years old. It is made…
We can learn about the world around us by taking measurements. Different tools help us make different kinds of measurements. Here are a few tools for measuring. Thermometer A thermometer measures temperature. It tells us how hot or cold something…
Brr! We wear warm clothing in winter. When it’s cold, we light a fire. Animals also find ways to stay warm in winter. Grizzly bears hibernate. They spend the winter sleeping. The bear’s body temperature drops. A bear doesn’t need…
There are many volcanoes around the world. They can be dangerous. Researchers study volcanoes. A volcano is a mountain. There is magma underneath it. Magma is hot liquid rock. It bursts out of the mountain as lava. Volcanoes can erupt.…
