You already know that an owl is a wise animal, and that a snake can be charmed by music. You know how kangaroos move so far and so fast, and you know what sound mice make. But do you know about an animal called the laughing hyena? Its call sounds like a long, loud laugh or a giggle. Read what happened to this laughing hyena.

You already know that an owl is a wise animal, and that a snake can be charmed by music. You know how kangaroos move so far and so fast, and you know what sound mice make. But do you know about an animal called the laughing hyena? Its call sounds like a long, loud laugh or a giggle. Read what happened to this laughing hyena.

Explore the layers of the ocean! Students will learn about the animals and plants that live in the various zones: the sunlit zone, the twilight zone, the midnight zone, and the abyss zone. Along the way, students will learn about different units of measurement including meters, yards, feet, pounds, and ounces. With vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features to help navigate the text, students will learn practical, real-world applicatio...

Explore the layers of the ocean! Students will learn about the animals and plants that live in the various zones: the sunlit zone, the twilight zone, the midnight zone, and the abyss zone. Along the way, students will learn about different units of measurement including meters, yards, feet, pounds, and ounces. With vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features to help navigate the text, students will learn practical, real-world applicatio...

In the Olympic Games, a fraction of a second can make all the difference between winning and losing. New technology has helped athletes improve their skills, and the use of computers to record accurate times makes every split second count! With vibrant photos, math charts and diagrams, grade-appropriate text, and informational text features to help navigate the text, students will learn practical, real-world applications of math skills as they learn about elapsed time and build their STEM ...

Every year, hundreds of millions of people travel by plane from one part of the world to another. Today people can eat, sleep, and watch movies on a plane. They can be in the air for hours. The first plane that ever flew had no cabin, no seats, two propellors, two wings and only a small engine. It stayed in the air for just 12 seconds!

Every year, hundreds of millions of people travel by plane from one part of the world to another. Today people can eat, sleep, and watch movies on a plane. They can be in the air for hours. The first plane that ever flew had no cabin, no seats, two propellors, two wings and only a small engine. It stayed in the air for just 12 seconds!

Sometimes animals are lost, sick, or injured. The animals can be pets, but they might also be wild animals. People who save these animals are very important. Some of them are experts, like vets and nurses, but many of them have no training at all. They are ordinary people who just want the animals to be happy, clean, and safe. What would you do if you saw a homeless, sick, or injured animal?

The World Wide Web is also called the Internet. You can use it to find almost any kind of information. You get to the Internet through a computer. Have you found information on the Internet? How did you do it?

The World Wide Web is also called the Internet. You can use it to find almost any kind of information. You get to the Internet through a computer. Have you found information on the Internet? How did you do it?

The Arctic and Antarctica are the wildest places on Earth. After millions of years, they have hardly changed. In the oceans, there are huge icebergs and tiny sea creatures. On the ice, there are polar bears, penguins and people. The Arctic and the Antarctic are important, special places. Would you like to go there?

Giant pandas belong to the bear family. They live only in China. They eat bamboo and they have a special pad on their front paws called a sixth finger. They use the finger to hold the bamboo. Why are giant pandas disappearing? Will they become extinct? How can they be saved?