How did ancient people manage to find light sources? How do we know about light-based theories such as prisms? This fascinating book looks at the historical controversies that surround the discovery and theories of light and tells the stories of the scientists who worked on them. It also examines how the different theories based on light were arrived at, how they were tested, and what impact these theories and discoveries have had on our understanding...

This book looks at how shadows are created. - Test which materials block light (are opaque), let some light through (are translucent), and let most light through (are transparent). - Look at how you can make animal shadows using your hands! - You can make a sundial to explore how shadows can change depending on the position of the Sun. And much more!

This engaging book gives readers core information about alpine and arctic tundra biomes. Find out where each kind is found, how animals and plants have adapted to life in these mostly bare environments, who lives in these places, and how humans impact life there.

Did you know that stoats are hypnotists? These weasels perform wild dance moves that make rabbits freeze and stare. The stoats leap and twist, moving closer to the dazed prey, until they can pounce on their victim. This and other animal hunting traps are laid out in this book for growing readers.

This book introduces children to the Arctic Ocean, looking at both its relatively shallow continental shelf and its underwater mountains. These features are explored using key geography terms. Children are encouraged to use geographical skills to locate information by reading maps and interpreting simple keys. This series complements the Introducing Continents series.

What can you spot on the beach? This book guides readers on a beach walk, gradually introducing clues such as bird nests and burrows to help them learn more about the diversity of beach habitats. This title includes stunning photographs, a simple guide on what to wear and take on a beach walk, and a detailed glossary.

This book introduces children to the Southern Ocean, looking at how it is different from the other oceans, its resources, and why people visit. The ocean floor is explored using key geography terms. Children are encouraged to use geographical skills to locate information by reading maps and interpreting simple keys. This series complements the Introducing Continents series.

What can you spot in the city? This book guides readers on a city walk, gradually introducing clues such as bird nests and silvery trails on the pavement to help them learn more about the diversity of city habitats. This title includes stunning photographs, a simple guide on what to wear and take on a city walk, and a detailed glossary.

This engaging book gives readers core information about grassland biomes on prairies, steppes, pampas, and savannahs. Find out where each kind is found, how animals and plants have adapted to life on open grassland, who lives in these environments, and how humans impact life there.

This book looks at the different places light comes from, including natural and artificial sources. - Discover the difference between a light source and a reflective object and how you can tell which is which. - Look at our largest and most important light source – the Sun – and what happens when you take sunlight away. - Explore light technology by finding out how we use lasers and fiber optics. And much more!