Watch Part 2 of this 3-part series of experiments with White Carnation Flowers. 0:00 – Introduction 0:25 – What you need 0:50 – Explanation 1:39 – Safety 2:15 – White Carnation Experiment 3:18 – Time-elapsed results

Compartimento lleno de líquido que se encuentra dentro de la célula, envuelto por una membrana. Twig - Biología

What is the future of aging? People aren’t dying as early or as easily as they used to. Innovations in medicine, health, and hygiene have helped us extend our lives by decades, but what comes next? Would you rather live to be a hearty...

Young sunflowers face the sun when it rises in the east and then track its motion in the sky throughout the day till it sets in the west in the evening. The process repeats the next day, as sunflowers return to their ‘starting’ position,...

A fluid-filled compartment inside a cell, surrounded by a membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

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...

To survive, plants have developed adaptations to regulate temperature and water, and maximise the capture of sunlight. Some plants have even evolved to survive in extreme environments of hot deserts and Polar regions. Biology - Plants -...

Discover the hormones that dictate whether a plant grows downwards with gravity, towards water and nutrients, or upwards towards light. Biology - Plants - Learning Points. Tropisms allow plants to seek out the best conditions for...

Today, 90% of brain surgery patients survive, with thanks to the work of Cushing, the world's first brain surgeon. A look at his techniques and how they have influenced modern brain surgery. Biology - Being Human - Learning Points. Dr...

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...

Four objects are shown, but which one is not part of a plant? Life processes - Green plants - Parts of a plant A Twig Tidbit Film - Odd one out. The children have to work out which of four images is the odd one out.

Learn how pollination happens. Life processes - Green plants - Reproduction in flowering plants Learning Points Pollinators are insects that transfer pollen. Self-pollination is the transfer of pollen between flowers on the same plant....

Learn all about the parts of a plant. Life processes - Green plants - Parts of a plant Learning Points Leaves use water, carbon dioxide and sunlight to carry out photosynthesis. Root hairs absorb water and nutrients from the soil. The...

Are flowers male or female? The answer is, they're both! Life processes - Green plants - Reproduction in flowering plants Learning Points All flowers have both male and female reproductive parts. The stamen is the male part of a flower....

What is the secret to growing tropical fruit in Iceland's cold, barren climate? I travel to Hveragerði, Iceland, to find out.

Guess What I Am while developing basic English reading skills.

Witness the effects of buoyant force as three different objects are released underwater. Learn why some objects float, while others sink or remain suspended.

Learn why steel boats float with this quick buoyant force demonstration! Discover how the average density of steel boats is less than water, allowing them to stay afloat.

इस वीडियो में हम ध्वनि की गति को प्रभावित करने वाले कारकों पर चर्चा करेंगे। हम जानेंगे कि ध्वनि हवा में लगभग 340 मीटर प्रति सेकंड की गति से चलती है और यह गति तापमान और हवा के दबाव के अनुसार कैसे बदलती है। ठोस पदार्थों और तरल पदार्थों में...

Build a simple electric motor with just a battery, magnet, paper clips, and coil of wire in this fun science experiment!

इस वीडियो में पौधों के प्रकाश संश्लेषण की प्रक्रिया को समझाया गया है। पौधे सूर्य की रोशनी, कार्बन डाइऑक्साइड, और पानी का उपयोग करके अपने भोजन का निर्माण करते हैं। प्रकाश संश्लेषण के लिए आवश्यक सामग्री को इकट्ठा करने की प्रक्रिया के...

यह वीडियो महिलाओं के मासिक धर्म चक्र और उससे जुड़े हार्मोनल परिवर्तनों पर केंद्रित है। इसमें बताया गया है कि मासिक धर्म चक्र कैसे काम करता है, एस्ट्रोजन और प्रोजेस्टरॉन हार्मोन किस प्रकार इसे नियंत्रित करते हैं, और इन परिवर्तनों से...

इस वीडियो में पौधों में परिवहन प्रणालियों का वर्णन किया गया है। इसमें बताया गया है कि पौधे पानी, खनिजों, ग्लूकोस और अमीनो एसिड को कैसे संचालित करते हैं। वीडियो में यह समझाया गया है कि पौधों में जलनलिका (जैलम) और प्रवाहित वाहिकाएँ कैसे...

इस वीडियो में कोशिकाओं में पदार्थों के आदान-प्रदान के विभिन्न तरीकों पर चर्चा की गई है, जिसमें प्रसार, ओस्मोसिस और सक्रिय परिवहन शामिल हैं। यह वीडियो बताता है कि कैसे कोशिकाएं पोषक तत्वों को ग्रहण करती हैं और अपशिष्ट को बाहर निकालती हैं,...