Self-Pollination

Some flowers are able to produce seeds or fruit without getting pollen from another plant. Readers will learn the steps in the self-pollination process in this book. Simple text...

Endangered and Extinct Invertebrates

Oahu tree snails and pink velvet worms are two examples of endangered invertebrates. Few of them exist in the wild. Other invertebrates have already gone extinct. What hurts these...

Vision Nearsightedness, Farsightedness, and More

Do you see clearly? Or do faraway objects look blurry to you? Maybe objects in the distance look clear, but you have trouble reading close-up print. What determines how your...

What Is Climate?

Why is it hot in one part of the world and chilly in another? Readers will learn the ins and outs of climate in this book. Accessible text and appealing photos show different...

Skin

All kinds of animals have skin—even humans! Compare the many features of skin.

Feathers

See how birds use feathers for flight, warmth, camouflage, and much more.

Attract and Repel A Look at Magnets

A colorful magnet holds a drawing to a fridge. Paperclips stick to a magnet. Magnetic forces are at work all around you. But what exactly is a magnet? And how do magnets work?...

Let's Visit the Grassland

The grassland is covered with tall grasses and plants. Many insects and animals live in this biome. But how do they survive in the grassland? And how does fire help new plants...

The Energy That Warms Us A Look at Heat

A pot of water boils over a hot burner on the stove. Sunshine warms your skin on a breezy day. Heat is warming things all around you. But what exactly is heat? And how do things...

What Is Hearing?

A fire alarm’s wail. A cat’s quiet purr Your ears let you hear all kinds of sounds, both loud and soft. But how do your ears work? And how does your sense of hearing help you?...

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