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Trains have changed over time. They look different from how they used to look. They’ve gotten faster, too. Here’s how trains have changed. Then The DeWitt Clinton train began running in New York in 1831. It was powered by steam.…
Caves are dark and hollow. They can form underground, on hillsides, or in the walls of cliffs. Some caves were carved out by water. Others were formed by lava that cooled and hardened. Stalactites and stalagmites are sometimes found…
Caves are full of interesting animals. These animals fly, swim, and slither. Here, read about four cave creatures. Learn how they have adapted to their dark habitat. Bats Bats make a high-pitched sound. It bounces off the cave walls. They…
Some caves are full of art. Thousands of years ago, humans drew on their walls. Cave art can teach us something about people who lived long ago. Take a look. Magura Cave, Bulgaria These paintings show scenes of hunting, dancing,…
Greta Thunberg is an activist. She lives in Sweden. Greta cares about protecting Planet Earth. She asks others to do their part to help the planet, too. Read on to learn more about the 17-year-old. Greta goes on strike.…
These four women have done their part to help the planet. They have inspired others to do the same. Which of these women inspires you? Jane Goodall Jane Goodall is a scientist. She is best known for studying chimpanzees in…
Sports can be a lot of fun. They are also a great way to get exercise. But it’s important to play safe and keep your body healthy. Find out how. Warm up. Before playing, take time to warm up. Go…
Football is dangerous. Players get tackled. Their helmets clash. This can cause head injuries. Flag football is safer. There’s no tackling. The sport is becoming more popular. Here’s how the game works. Players wear a belt with a flag. The…
People use money to pay for things. There are many different ways to do this. Long ago, people used animals and objects to pay. Today, people use smartphones and other methods. Which of these ways to pay have you seen?…
An American dollar is a paper bill. How much is a dollar worth? See how these coins add up to make a dollar. These are quarters. There are four quarters in one dollar. These are dimes. There are…
Beetles are insects. There are thousands of types. Beetles come in different shapes, sizes, and colors. Let’s learn more about these cool critters. Get ready to explore the world of beetles. Beetles are found almost everywhere. They like dark,…
Kristie Reddick is a bug scientist. So is her friend Jessica Honaker. Together, they are the Bug Chicks. They study insects and spiders. They teach people what they know. The Bug Chicks go on adventures. They travel around the…
When people have big disagreements, they might need to go to court. Courts settle arguments. They make important decisions. In the United States, the top court is the Supreme Court. Let’s learn about it. Welcome to the Supreme Court The…
Our nation’s capital is full of landmarks. They honor important Americans. They also tell the story of our country’s history. Here are a few famous landmarks. Which one would you like to visit? Martin Luther King Jr. fought for equal…
Anna Semon is an archaeologist. That’s a person who finds and studies artifacts. An artifact is an object made by people in the past. Ready to dig in? Join TIME for Kids on an artifact adventure! 1. Semon and her…
Paleontologists are people who hunt for fossils. They want to learn about the past. They dig up dinosaur bones all over the world. Have you heard of these creatures? United States — Tyrannosaurus Rex Many T. rex bones have been…
There are eight planets in our solar system. They travel in a path around the sun. Here is what you need to know about them. Mercury is the smallest planet in our solar system. It is the closest planet to…
Meet the Mars 2020 Rover. It is a robotic scientist. NASA will send it to Mars in 2020. Its job is to look for clues about life on the Red Planet. The rover has one arm. That arm is seven…
The United States has a flag. It’s red, white, and blue. Other countries have flags too. Each flag is different. Each one uses colors, shapes, and patterns. Take a look at a few flags here. Flags use SHAPES. Study the…
Rome is an ancient city. It is in Italy. Sports were a big part of life in ancient Rome. Sports are still important to Romans. Compare how Romans watched sports in the past with how they watch them now. Ancient…