Curated Video
Iron and Luminol
We use potassium ferricyanide and luminol indicator to show how forensic scientists detect blood at crime scenes. The luminol indicator contains luminol, sodium hydroxide and hydrogen peroxide. When luminol comes into contact with the...
Curated Video
Flame Test
We use a Bunsen burner to burn different chemical salts to see how the flame colour changes. This shows that sodium burns with a yellow flame, lithium burns with a red flame, barium burns with a yellow-green flame and copper burns with a...
Curated Video
The Senses
We make sense of the world around us through touch, smell, sight, taste and sound. But what are these senses and how does the body and brain process them? Biology - Being Human - Learning Points. Our senses detect information from our...
Curated Video
What is Fitness?
Discover why fitness is not always obvious from appearance. Rather, it is a measurement of how well your body operates on a daily basis. Find out how BMI, heart rate and blood pressure indicate how fit you are. Biology - Healthy Living -...
Curated Video
Drugs and the Brain
Explore the variety of effects of different types of psychoactive drugs - from stimulants to depressants - on the brain's chemistry and function. Biology - Healthy Living - Learning Points. Drugs that affect the brain in a way that...
Curated Video
Natural Versus Artificial
Are all artificial chemicals bad for our health? Revealing the health implications of natural and artificial chemicals, and the natural chemicals which can be deadly. Chemistry - Chemical Industries - Learning Points. All matter consists...
Curated Video
Chemical Contraception
Introducing the basic principles upon which all chemical methods of contraception work, and how the methods of delivery vary. Biology - Being Human - Learning Points. There are many chemical methods designed to prevent pregnancy....
Curated Video
Forensics: Tools of CSI
A criminal has committed burglary and escaped the scene without leaving a fingerprint or trace of DNA. How can forensic scientists still solve the crime? Chemistry - Atoms And Bonding - Learning Points. There are many forensic techniques...
Curated Video
Plants and Medicine: Aspirin
Aspirin is our most common painkiller. It has an amazing history, which can be traced back thousands of years to the Egyptians. Where does it come from and what makes it so special? Biology - Plants - Learning Points. Aspirin originates...
Curated Video
What's in a Cigarette?
Discover the scale and effects of the chemical ingredients in cigarettes. What are smokers breathing in to their lungs, and what effects are these chemicals having on them? Biology - Healthy Living - When a cigarette is burned it...
Curated Video
Plasma (physics)
A gaseous state of matter which contains a significant proportion of electrically charged particles called ions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Irritant
A substance that produces inflammation or pain on contact with skin, eyes, the respiratory system or other membranes such as stomach linings. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
Organic farming
Explore how organic farming maintains the health of the environment. People and places - Environmental awareness and care - Caring for the environment Learning Points Organic farming avoids the use of chemicals. Plants that naturally...
Curated Video
The willow
Over 50% of the world's medicine comes from plants, including aspirin from the willow tree. Life processes - Green plants - Plant uses Learning Points Plants can be used to make medicine. A Twig Context Film. Reinforce and extend the...
Curated Video
Fireworks
Fireworks are a feast for the senses, but what creates those amazing colours? Material processes - Changing materials - Burning Learning Points Burning requires oxygen, a fuel source and an ignition source. Burning is a chemical...
FuseSchool
Fast Fashion| The Hidden Climate Crisis
This video highlights the environmental impact of fast fashion, with over 92 million tons of textiles discarded annually. It emphasizes the problems caused by cheap, mass-produced clothing, including waste, pollution, and exploitation of...
Wonderscape
Inside the Beehive: A Complex Society
Explore the intricate organization of honeybee hives, where thousands of bees work together in a bustling community. Learn about the three key members of the colony—the queen bee, female worker bees, and male drone bees—and their...
Wonderscape
The Ozone Layer: Earth's Natural Sunscreen Under Threat
Explore how chemicals like chlorofluorocarbons (CFCs) impact the ozone layer, which acts as the Earth's natural sunscreen by absorbing harmful ultraviolet rays. Understand the environmental consequences of ozone depletion, including...
Wonderscape
Air Quality Alert: Understanding the Effects of Pollution on Our Environment
Discover how increasing urbanization and industrial activity contribute to air pollution and its harmful effects on ecosystems. Learn about the damaging consequences of smog on plant species like the Ponderosa pine and the broader impact...
Curated Video
Examining Causes and Impact of High Rates of Cataracts in Rural Ethiopia
Dr. Larry Thomas visits Sir Eldryd Parry at the Royal Society of Medicine in London to understand the high rate of cataracts in rural Ethiopia. Dr. Parry emphasizes that clean water is crucial for preventing various health issues,...
Great Big Story
Doctor Wiley and the Poison Squad, pioneers of food safety
Discover how Dr. Harvey W. Wiley's daring experiments with the Poison Squad led to the establishment of the FDA and safer food regulations.
Curated Video
Pollution and You
Dr. Forrester explains different types of pollution: water, air, and noise.
Curated Video
Pesticides, Pests, and Pollinators: A Delicate Balance
This segment examines how pesticides used in agriculture to combat pests like aphids can harm honey bees, essential for pollination. It explains the dilemma farmers face: needing to protect crops while preserving beneficial insects...