“Stored Energy” explains how potential energy is stored, how objects have potential energy, and how potential energy is changed to kinetic energy.

Energy is all around us. There are two main types of energy - kinetic energy and potential energy. Kinetic energy is the energy of motion and potential energy is stored energy. In this video, we will cover both kinetic and potential...

When trying to determine or prove if a chemical reaction has occurred, there are 5 indicators that scientist look for! The 5 indicators are the formation of a precipitate, the formation of a gas, the formation of water, a color change or...

The video highlights the research efforts of the Odyssey, a scientific vessel studying sperm whales in the Indian Ocean. The team collects samples from the whales to analyze the levels of man-made toxins, particularly DDT, which can have...

How do we reduce the impact of climate change, and could geoengineering be the solution? Host Sinead Bovell is joined by sci-fi writer Kim Stanley Robinson and other experts to examine the goal of Global Net Zero Emissions, direct air...

Dr. Boyd explains the chemical in pepper spray that causes irritation, and he also explains what to do if you are ever exposed to pepper spray. Minute 0:00 – Introduction Minute 0:07 – Background Minute 0:33 – Explanation of chemicals...

In the 21st century, zombie narratives have evolved, reflecting new societal anxieties such as terrorism, bioengineering, pandemics, and environmental crises. With iconic video games like Resident Evil and films like 28 Days Later,...

Glue is made from organic substances and was discovered back in ancient times. The earliest evidence of glue was found in the cave paintings of Neanderthals in Lascaux, France. The raw materials for the production of glue might be animal...

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,...

When our body sustains a wound, new cells are formed near the edges of the injury and then move down to the base of the wound. Once these cells have migrated to the center of the wound, they connect with other cells nearby. Once this...

The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...

Drugs used to treat bacterial infections by killing or inhibiting the growth of bacteria.They do not work against viruses or fungi, and so cannot treat many other infections.
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The state of matter in which particles are widely separated and are in constant random motion.
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Free of any unwanted substances or contaminants.
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The tendency of a substance to undergo chemical reactions.
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Material that has a definite chemical composition and distinct properties.
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A substance that is not readily ignited or rapidly burned is said to be non-flammable.
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An orbit around the nucleus of an atom that can be occupied by one or more electrons.
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While most elements can easily be categorised as either metals or non-metals, a few have physical and chemical properties that are in between, which makes them harder to classify.
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The process of gaining oxygen in a chemical reaction, or more generally of losing electrons.
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Respiration that uses oxygen. This is the main chemical reaction that occurs in all our cells to release energy that our bodies can use.
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The process of carrying out a set of chemical reactions to create a chemical product or products, often one not found in nature such as, a synthetic drug.
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A colourless and odorless gas that belongs to the alkane group of hydrocarbons.
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A chemical change in which chemical bonds are broken, and new bonds are formed, to produce a new chemical substance.
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