The dark floor and muddy rivers of the rainforest are perfect for hunting, and the jaguar and crocodile both stalk their prey with ease. But which animal is the fiercest of the ecosystem? Does the jaguar's speed give it the edge? Or does the crocodile's strength make it superior? Compare and contrast each animal’s features and skills before you declare the winning predator.

The icy cold Arctic is home to both the powerful polar bear and intelligent orca, two mighty predators. But which animal is the fiercest of the ecosystem? Does the polar bear’s patience in stalking its prey and strength in attack put it on top? Or does the orca’s ability to work in a pod give it the edge? Compare and contrast each animal’s features and skills before you declare the winning predator.

You push your friend while they swing. You pull open a door. What happens when you push or pull an object? Let’s investigate pushing and pulling forces!

Freshwater fishing is the perfect combination of relaxation and excitement. When you’re not peacefully looking out at the water, you’re reeling in the big one! Readers will learn all about the gear and skills they need to help them reel in the fish they’re hoping to hook!

Animals are living things. They need certain things to grow and live. What are they? Let’s investigate what animals need to survive!

The massive grassy African savanna is filled with the hunting activity of predators and their prey. The stamina of the hyena allows the animal to hunt until its prey is too tired to fight. The lion’s strength makes its attacks swift and severe. But which animal is the fiercest of the ecosystem? Compare and contrast each animal’s features and skills before you declare the winning predator.

The mountain habitat can provide shelter and water for cunning predators, and the wolf and the golden eagle thrive there. The wolf can travel 50 miles a day to find prey. The striking force of a golden eagle’s talons can be compared to that of a bullet. But which animal is the fiercest of the ecosystem? Compare and contrast each animal’s features and skills before you declare the winning predator.

Animals are living things. Rocks are non-living. Why? Let’s investigate the differences between living and non-living things!

Some animals live in water. Some animals live on land. The land that animals live on can be very different. What makes a place the right home for an animal? Let’s investigate habitats!

Eagles, bees and bats all fly. But a bee is an insect. A bat is a mammal. And an eagle is a bird! Why are these animals sorted into different groups? Let’s investigate animal classification!

The massive grassy African savanna is filled with the hunting activity of predators and their prey. The stamina of the hyena allows the animal to hunt until its prey is too tired to fight. The lion’s strength makes its attacks swift and severe. But which animal is the fiercest of the ecosystem? Compare and contrast each animal’s features and skills before you declare the winning predator.

Animals are living things. Rocks are non-living. Why? Let’s investigate the differences between living and non-living things!

The icy cold Arctic is home to both the powerful polar bear and intelligent orca, two mighty predators. But which animal is the fiercest of the ecosystem? Does the polar bear’s patience in stalking its prey and strength in attack put it on top? Or does the orca’s ability to work in a pod give it the edge? Compare and contrast each animal’s features and skills before you declare the winning predator.

The mountain habitat can provide shelter and water for cunning predators, and the wolf and the golden eagle thrive there. The wolf can travel 50 miles a day to find prey. The striking force of a golden eagle's talons can be compared to that of a bullet. But which animal is the fiercest of the ecosystem? Compare and contrast each animal's features and skills before you declare the winning predator.

Freshwater fishing is the perfect combination of relaxation and excitement. When you’re not peacefully looking out at the water, you’re reeling in the big one! Readers will learn all about the gear and skills they need to help them reel in the fish they’re hoping to hook!

In 1845, Sir John Franklin commanded two ships on an expedition to find a Northwest Passage from England through the Arctic and over to Asia. If successful, the route would be a faster way to get goods from Asia to Europe and back. But success was not on the cards for Franklin’s expedition. Only recently, the sunken ships were discovered in the icy Arctic waters. What happened to Franklin and his men, and what messages did they leave behind?

Animals are living things. They need certain things to grow and live. What are they? Let’s investigate what animals need to survive!

You push your friend while they swing. You pull open a door. What happens when you push or pull an object? Let’s investigate pushing and pulling forces!

The dark floor and muddy rivers of the rainforest are perfect for hunting, and the jaguar and crocodile both stalk their prey with ease. But which animal is the fiercest of the ecosystem? Does the jaguar's speed give it the edge? Or does the crocodile's strength make it superior? Compare and contrast each animal's features and skills before you declare the winning predator.

Some animals live in water. Some animals live on land. The land that animals live on can be very different. What makes a place the right home for an animal? Let's investigate habitats!

In 1845, Sir John Franklin commanded two ships on an expedition to find a Northwest Passage from England through the Arctic and over to Asia. If successful, the route would be a faster way to get goods from Asia to Europe and back. But success was not on the cards for Franklin's expedition. Only recently, the sunken ships were discovered in the icy Arctic waters. What happened to Franklin and his men, and what messages did they leave behind?

Eagles, bees and bats all fly. But a bee is an insect. A bat is a mammal. And an eagle is a bird! Why are these animals sorted into different groups? Let's investigate animal classification!

Imagine what it was like living in ancient Greece. Did all kids go to school? What did adults do for a living? And how did ancient Greeks spend their free time? Learn the answers to these questions and more as you discover what day-to-day life was like for the ancient Greeks.

In ancient Greece different city-states often fought one another in deadly battles. But every four years the Greeks set aside their differences to honor the gods and compete peacefully in the Olympic Games. Learn all about the athletes, competitions, and religious ceremonies of the ancient Olympics.