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How do you see, hear, smell, taste, and feel things? The human body has five sensory organs that are used to do these activities: eyes, ears, nose, tongue, and skin. Find out more about these Read More →

Yun wants to cut some paper, but her scissors won't cut. The metal blades of scissors are rusty. What made the scissors rusty? Let's find out why some metals rust and learn how to stop rust. Read More →

A boy wants to know what shadows are. Discover interesting facts about shadows along with him: what makes a shadow, how does a shadow get bigger, what the colors of a shadow mean, and more. Read More →

The story reveals the different ways that animals communicate with each other and how it differs depending on each species. This helps readers understand and encourages them to think in… Read More →

Mira and her dog Popo were bored. Mira decided to look in her big sister's room. She touched the doorknob. Zap! Flash! Mira got a big shock. How did the doorknob make her hand tingle? Read More →

Color is hidden in white sunlight. It has red, orange, yellow, green, blue, indigo, and violet. All the colors in light bring beauty to the earth. How do we see the colors in sunlight? And… Read More →

Grandfather gave some jobs to a lazy boy. The clever boy came up with ideas to make the jobs easier. Let's find out how the boy used pulleys. Read More →

Many kinds of living things need soil. Different creatures live in soil. Soil contains nutrients that plants use to grow. And when living things die, they become part of the soil. It is a… Read More →

Big wheels and little wheels travel around the world. They come to a country where there are no wheels. How do people live without wheels? Soon wheels come to help the people. Find out how… Read More →

Some days, the wind is as gentle as a butterfly. Other days, the wind pushes black clouds our way and brings rain. What makes wind and what does it do? Read More →

The world we live in holds jungles thick with trees, deserts covered with sand, and cold snow and ice at the North and South Poles. What plants and animals live in these special places? Read More →

An ecosystem is a community of animals and plants that work together to create an environment that supports their life. Every ecosystem needs plants and animals that help keep the environment clean. Read More →

Flowers produce seed pods, and when the seeds are ripe, they are released from the pod. How do they find their way to a place where they will grow? Find the answer by traveling with the seeds. Read More →

Swoosh! Wriggle, wriggle! The forest is full of insects moving about and spiders spinning webs. Let's look closer at the lives of insects and spiders and learn the differences between them. Read More →

Twinkle, Twinkle! is about the life cycle of insects. Insects have four stages in their life cycle: egg, larva, pupa, and adult. This book vividly shows the life cycle of fireflies that… Read More →

The sea is full of life. Some creatures are very small and some are very big. Every sea creature hunts for food and tries to protect itself from enemies. Find out how they do this. Read More →

A great introduction to the interesting world of fossils with creative collage illustrations. Read More →

This book introduces the properties and functions of air, showing readers that air is amazing even though it is invisible. Read More →