Different beetles flourish in different climates. British researchers have used this knowledge to dig into climate change history. Earth Science - Human Impacts - Learning Points. Climate proxies, such as tree rings or dead beetles, can...

How does a tall tree draw water from its roots to its leaves? And how does food made in leaves reach the rest of a plant? Discover how plants transport resources via the xylem and phloem. Biology - Plants - Learning Points. Transpiration...

Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...

Californian redwoods are some of the oldest and largest living organisms on the planet. How do they grow so tall and why are they under threat? Biology - Ecosystems - Learning Points. The coniferous forests on the pacific coast of North...

Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....

Nitrogen is integral to the production of protein and DNA. Discover how it is present on Earth in a constant cycle, and how nitrogen from the air enters the food chain. Biology - Ecosystems - Learning Points. The nitrogen cycle describes...

How does land get polluted, and what with? Discover the quantities of waste deposited in landfills each year, and just how much could be recycled. Earth Science - Human Impacts - Learning Points. Landfills are holes in the ground where...

Discover the chemical processes occurring deep within the Earth that create beautiful crystal structures in caves. Chemistry - Reactions - Learning Points. Caves are a result of rainwater slowly carving away rock. Carbonic acid forms in...

Scientists hoped the first mission to Mars would reveal life on the red planet. What did the mission find? Physics - Universe - Learning Points. Percival Lowell believed there were canals and cities on Mars. In 1965, NASA probe Mariner 4...

Find out how remarkable adaptations allow the spinifex plant to thrive in the desert. Biology - Plants - Learning Points. Root hairs are specially adapted to suit their role. Root hairs increase the surface area of the roots for...

Potassium nitrate is a natural substance found in your food, or in an exploding firework. What makes it so versatile? Chemistry - Chemical Industries - Learning Points. Potassium nitrate preserves our food and is a component of...

Discover how climate, water, soil, plants and animals function as one and depend on each other in distinct ecosystems, which can range from a pond to an ocean, a tree to a vast forest. Biology - Ecosystems - Learning Points. An ecosystem...

Find out what animals and plants do to survive in Earth's coldest biome. Biology - Ecosystems - Learning Points. The tundra is Earth's coldest biome. The Arctic tundra is found near the North Pole. The alpine tundra is found around the...

With global food need increasing, but less new agricultural land available, progressive agricultural methods are needed to feed the world. See some of those methods in action in Brazil. Human Geography - A Changing World - In the last...

The Amazon rainforest is being cut down for resources and land at a rapid rate. Learn how alternative farming methods, incentives to cut carbon emissions and protected reserves are helping to conserve the rainforest from further harm....

Deciduous forests occur worldwide from Britain to China. Discover the dramatic seasonal changes that take place in these habitats, as well as the vast array of plant and animal life found within them. Biology - Ecosystems - Learning...

Find out why this unassuming bird is one of nature's master architects. Biology - Animal Kingdom - Learning Points. Malleefowl are large birds native to Australia. Malleefowl live a solitary existence for most of the year, but they mate...

What is it? ... It's a worm! Material processes - Classifying materials - Soil A Twig Tidbit Film - Pixelate. A pixelated image unscrambles. The children have to guess what it is.

How does a tiny seed turn into a full-grown plant? Take a closer look at the life cycle of a plant. Living things - Amazing plants - Plant life cycle Learning Points Plants have a life cycle. Plants grow from seed, to seedling, to...

Find out how the amazing Brunsvigia plant uses the wind to spread its seeds. Living things - Amazing plants - Plant life cycle Learning Points Plants grow from seed, to seedling, to full-grown plants that can make seeds. Plants spread...

What do plants need to grow? They need sunlight, water, air and soil. Living things - Amazing plants - What do plants need? Learning Points What do plants need to grow? Sunlight, water, air and soil. A Twig Junior Film - Core science...

Sieving is a process that separates solids of different sizes. Find out how sieves help archaeologists find tiny treasures. Material processes - Separating mixtures - Separation by sieving Learning Points Sieving separates solids of...

Mars is known as the red planet because of its red soil. Discover what gives Mars's soil its distinctive colour. Material processes - Classifying materials - Soil A Twig Tidbit Film - Clip. A short film that extends the learning beyond...

Leaves fall to the forest floor ... but what happens next? Life processes - Living things in their environments - Food chains A Twig Tidbit Film - What happens next? A short section of film is played and the children have to guess what...