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Grade 4

1283 records found. Displaying 1261 - 1272.

Why Doesn't the Moon Fall Out of the Sky?

How can a plane fly upside down? Why aren't there any super-giant humans? Why doesn't the Moon fall out of the sky? answers all these intriguing questions about the science of forces, and much more. More →

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Health

Why Do I Bleed?

Want to know how arteries carry oxygen-rich blood throughout our bodies and what blood type means? Fun illustrations and entertaining text help give kids a clear understanding of the blood… More →

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Health

Why Do I Drool?

Want to know why you drool on your pillow or what your taste buds are for? Fun illustrations and entertaining text help give kids a clear understanding of the form and function of the mouth,… More →

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Health

Why Do I Grow?

Want to know how bones, fingernails, and hair form and grow throughout our lives? Fun illustrations and entertaining text help give kids a clear understanding of how our bodies grow and… More →

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Health

Why Do I Itch?

Have you ever wondered how your body sends you itchy signals? Fun illustrations and entertaining text help give kids a clear understanding of how insect bites, dry skin, and allergies cause… More →

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Health

Why Do I Poo?

The human body is amazing, and at times, disgusting. Fun illustrations and entertaining text help give kids a clear understanding of bodily functions related to the digestive system, as well… More →

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Health

Why Do I Sneeze?

Is it the cat, a dandelion, or just a common cold? Fun illustrations and entertaining text help give kids a clear understanding of the everyday mechanisms required to create a sneeze. Readers More →

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Science

Why Do We Need Air?

Clean air is essential to the health of the planet. This colorful title examines the importance of air to all living things and provides practical ways young readers can protect this valuable More →

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Science

Why Do We Need Soil?

From the foods we eat to the flowers we grow, soil is an important natural resource in the growing cycle of plants. This informative title explains how soil is made and shares simple steps… More →

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High Interest

Why Is Ice Slippery?

Where does water go when it dries? Why do eggs go solid when you cook them? Why is ice slippery? answers all these intriguing questions about the science of materials, and much more. More →

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Geography

Wildlife Worlds Africa

Take a captivating journey across the continent of Africa to view the incredible array of plants and animals that live, hunt, and hide in Africa's distinct habitats. Stunning photographs take More →

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Geography

Wildlife Worlds Asia

Take a captivating journey across the continent of Asia to view the incredible array of plants and animals that live, hunt, and hide in Asia's distinct habitats. Stunning photographs take you More →

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