Wonderscape
Short and Long-Term Health Risks of Smoking
Smoking in teens not only leads to addiction but also poses both immediate and long-term health risks. Learn about the many harmful effects of smoking from coughing and shortness of breath to cancers and coronary heart disease....
Curated Video
ADHD Meds & Heart Attack Risk: Is Your Medicine Safe?
This video provides a thorough understanding of Adderall's sympathomimetic actions, the risk factors for those with pre-existing heart conditions, and the significance of dosages. Dr. Marks also examines the findings of a 2022...
Curated Video
What does laughing gas do to you
Laughing gas or nitrous oxide is a chemical compound used in medical settings, especially in surgery and dentistry, for its anesthetic and pain-reducing effects. In this video, we will discuss what laughing gas is, how it was discovered...
Curated Video
Heat resistant
The ability of a substance to withstand the effects of high temperature without being permanently changed. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Dark energy
A mysterious energy field present across the entire known Universe, which accounts for 70% of its mass-energy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Abiotic Factors in Ecosystems
What happens when non-living factors in an ecosystem are altered, such as rainfall or air quality? Biology - Ecosystems - Learning Points. An ecosystem is a living system interacting with its physical habitat. Changes in biotic and...
Curated Video
Leaded and Unleaded Petrol
In USA in the 1970s, 200,000 tonnes of lead was added to petrol every year. Now leaded petrol for cars is banned. Discover the dangers of tetraethyl lead in petrol. Chemistry - Chemical Industries - Learning Points. Midgley Junior added...
Curated Video
What is Cancer?
Cancers claim more lives every year than any other disease, and come in many forms such as lung cancer, bowl cancer and breast cancer. Why are cancers so deadly and how can we treat them? Biology - Cells And DNA - Learning Points. There...
Curated Video
Oil Spills - Environmental Impact
Offshore oil spills can lead to decades of ecological harm for marine life. How can we clean-up oil spills and limit damage to the environment? Earth Science - Human Impacts - Learning Points. Offshore oil spills float on the surface of...
Curated Video
Alcohol: The Poison
Alcohol is a naturally occurring poison. What are the risks and health problems people can suffer from alcohol use or abuse? Biology - Healthy Living - Alcohol is a toxin and is produced by fermenting yeast. Alcohol damages both the...
Curated Video
Types of Weather: Introduction
The weather systems on our planet are all driven by one thing: air. Discover how our weather is driven by energy from the Sun, affecting the movement of air. Earth Science - Weather - Learning Points. Our weather is a chaotic and complex...
Curated Video
Scablands: Carved By Water
Over 15,000 years ago, a glacial dam broke, releasing 2,000 cubic kilometres of water across Washington State. Discover how it created the landscape we see today. Earth Science - Geology - Learning Points. Washington State's chaneled...
Curated Video
Osmosis and Volume
We look at the effects of osmosis on the volume of potato and the appearance of red onion cells. Two cylinders of potato are measured and weighed before one is placed in salt water and the other in fresh water. We can see how osmosis...
Curated Video
Stimulating Daphnia
We examine the effects of different temperatures and chemicals on the heart rate of Daphnia. A microscope is used to let us see the Daphnia\u2019s heart and establish the heart rate under normal conditions. The heart...
Curated Video
Effects of Smoking
We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...
Curated Video
Van de Graaff Generator
We use a Van de Graaff generator to investigate static electricity. The generator is turned on and we see a spark move between the two domes. We then place a wig on the main dome and see the hair rise as the charge builds and the hairs...
Curated Video
Ball and Hoop
We use a metal ball and hoop to demonstrate heat expansion. When cool, the ball fits through the hoop, but there is little extra space. The ball is then heated over a Bunsen burner. When hot, the ball doesn't fit through the hoop. We see...
Curated Video
Earthquakes: LEDC Response
In 2010, Haiti was hit by a devastating earthquake. But the Haiti people suffered most in the aftermath of the earthquake due to their limited capacity, as a Less Economically Developed Country, to respond to the disaster. Earth Science...
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
Plate Tectonics
From volcanic eruptions to massive earthquakes to tidal waves, Earth's tectonic plates can be responsible for catastrophic natural disasters. Earth Science - Geology - Learning Points. The rising and falling of intense heat deep inside...
Curated Video
Diffraction
The bending or spreading of waves when they encounter an obstacle. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Solar wind
A stream of charged particles, mainly electrons and protons, emitted from the Sun's outer atmosphere at up to 900 kilometres per second. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Inductive Effect: The Hidden Forces in Molecules
The inductive effect refers to the electron-donating or withdrawing influence that substituents exert on a molecule through sigma bonds. Electronegative atoms or groups pull electron density away from the rest of the molecule, while...
Wonderscape
The Devastating Impact of Jim Crow: From Freedmen’s Towns to Black Wall Street
Discover the tragic events that unfolded during the Jim Crow era, from the destruction of thriving Black communities like East St. Louis and Tulsa's Black Wall Street to the widespread violence of the Red Summer. This video highlights...