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Science
The Vital Nutrients
Life in the sea around Australia seems to be rich. Yet in terms of marine biomass Australia is poor. For example some fifty other countries catch more fish than we do. Why are Australian waters less productive? In this programnm, we look at why...Show More
Life in the sea around Australia seems to be rich. Yet in terms of marine biomass Australia is poor. For example some fifty other countries catch more fish than we do. Why are Australian waters less productive? In this programnm, we look at why some parts of the world’s seas are richer than others. We look at the marine carbon, nitrogen and phosphorus cycles, the biological carbon pump, how nutrients are distributed with depth and where and why upwellings occur. We also take a brief look at how humans are affecting the supply of nutrients with fertiliser run-off. Show Less
Advanced Acid-Base Chemistry
Shedding Light on Acids and Bases
In this episode, we take a deeper look at pH and explain how the numbers on the pH scale are actually related to the number of H⁺ or OH⁻ ions present in an acid or a base. We then descend even deeper down—to the atomic level—to explain...Show More
In this episode, we take a deeper look at pH and explain how the numbers on the pH scale are actually related to the number of H⁺ or OH⁻ ions present in an acid or a base. We then descend even deeper down—to the atomic level—to explain what actually happens when acids react with bases and what actually happens when acids react with metals. We introduce students to ionic equations and to the role (or lack thereof) of spectator ions in many chemical reactions. This episode can be thought of as an extension to middle school acid-base chemistry or as an introduction to senior school acid-base chemistry. Show Less
3 Secrets About Ancient Earth, Hidden in Marine Fossils
Fossils can provide clues to the conditions that ancient species lived in, like what their environments felt like, how deep in the water some species lived, or even how long the Sun was out!
The pH Scale
Shedding Light on Acids and Bases
In the fourth episode of this series, we take an in-depth look at H⁺ and OH⁻ ions and we explain how the pH scale is used to express how strongly acidic or how strongly basic a particular environment is. We examine how the pH of natural...Show More
In the fourth episode of this series, we take an in-depth look at H⁺ and OH⁻ ions and we explain how the pH scale is used to express how strongly acidic or how strongly basic a particular environment is. We examine how the pH of natural environments affects plant and animal life and how the human body has to carefully control the pH of our organs. Show Less
Neutralisation
Shedding Light on Acids and Bases
In the third episode, Neutralisation, we explain what bases are and then take a look at what happens when acids and bases chemically react. We also take a look at acid-base indicators, which are chemicals that change colour depending on whether...Show More
In the third episode, Neutralisation, we explain what bases are and then take a look at what happens when acids and bases chemically react. We also take a look at acid-base indicators, which are chemicals that change colour depending on whether they are in an acid or a base/ Show Less
Acids and Carbonates
Shedding Light on Acids and Bases
In this episode, we describe what carbonates are and explain how they react with acids. If it wasn't for carbonates, our own stomach acid would kill us, acid rain would have destroyed our forests, and—worst of all—our pancakes wouldn't be as...Show More
In this episode, we describe what carbonates are and explain how they react with acids. If it wasn't for carbonates, our own stomach acid would kill us, acid rain would have destroyed our forests, and—worst of all—our pancakes wouldn't be as soft and fluffy as they are. Show Less
Acids in Industry
Shedding Light on Acids and Bases
In Acids in Industry, we look at what acids are, how they're made, and how they're used in steel making and agriculture. We also take a quick trip back to the 1770s to look at how acids were used by Captain James Cook to save his crew from the...Show More
In Acids in Industry, we look at what acids are, how they're made, and how they're used in steel making and agriculture. We also take a quick trip back to the 1770s to look at how acids were used by Captain James Cook to save his crew from the disease that killed more sailors than shipwrecks and sea battles! Show Less
Carbon and Water Cycles in Tropical Rainforests
Filmed in the Amazon and Borneo, this resource illustrates and explains the key environmental and land use changes occurring in tropical rainforests and explores the effect they're having on the carbon ad hydrological cycles. We accompany...Show More
Filmed in the Amazon and Borneo, this resource illustrates and explains the key environmental and land use changes occurring in tropical rainforests and explores the effect they're having on the carbon ad hydrological cycles. We accompany scientists up flux towers as they monitor CO2 emissions and find out why they're digging soil pits to examine decomposition rates. A fantastic case study to deepen students' understanding of carbon and water cycles. Show Less
Carbon and Water Cycles in the Tundra
With stunning footage shot in the Canadian tundra, this title identifies and explores the physical and human factors, including climate change, that affect carbon and water cycles in the tundra We see the research and monitoring techniques...Show More
With stunning footage shot in the Canadian tundra, this title identifies and explores the physical and human factors, including climate change, that affect carbon and water cycles in the tundra We see the research and monitoring techniques scientists are using to identify and record these changes and look at the reasons this data is gathered. The resource shows how these same techniques can be used by students as part of their own fieldwork investigations. Show Less
Mixtures: Tailings Dam Disaster
Introducing Elements, Compounds and Mixtures
The products of mining—metals, minerals, and fuels—are essential to our everyday lives. But the waste by-products from mining processes, called tailings, can be highly toxic. Using the 2014 Mount Polley Mine tailings dam and its catastrophic...Show More
The products of mining—metals, minerals, and fuels—are essential to our everyday lives. But the waste by-products from mining processes, called tailings, can be highly toxic. Using the 2014 Mount Polley Mine tailings dam and its catastrophic release of toxic chemical mixtures into the environment as an example, this video explores the make-up of mixtures, identifying the differences between solutions, colloids and suspensions. Complemented by clear graphics, it is essential viewing for students of chemistry. Show Less
Compounds: Death of a President
Introducing Elements, Compounds and Mixtures
From water to table salt, we safely come into contact with countless chemical compounds every day. But compounds can also be deadly. Using Turkish President Turgut Özal’s death and eventual autopsy as real-life context, this video examines the...Show More
From water to table salt, we safely come into contact with countless chemical compounds every day. But compounds can also be deadly. Using Turkish President Turgut Özal’s death and eventual autopsy as real-life context, this video examines the chemical and structural qualities of compounds—in particular, the toxic pesticide known as DDT. Complemented by clear graphics, it is essential viewing for students of chemistry. Show Less
Introducing Elements, Compounds and Mixtures
Introducing Elements, Compounds and Mixtures
Matter exists as elements, compounds and mixtures. But what are the differences between these three forms? Using straightforward images and diagrams and commonplace examples, this video introduces students to how elements, compounds and mixtures...Show More
Matter exists as elements, compounds and mixtures. But what are the differences between these three forms? Using straightforward images and diagrams and commonplace examples, this video introduces students to how elements, compounds and mixtures are formed, how they bond and combine, and if and how they separate. Succinct and clear, this is essential viewing for students of chemistry. Show Less
Elements: The Hanover Poisoning
Introducing Elements, Compounds and Mixtures
A poisoned umbrella and a forensic investigation … using an unusual and as-yet-unsolved true crime as a launching place, this video shows that the chemistry of matter matters. Elements, as represented on the periodic table, are made up of only...Show More
A poisoned umbrella and a forensic investigation … using an unusual and as-yet-unsolved true crime as a launching place, this video shows that the chemistry of matter matters. Elements, as represented on the periodic table, are made up of only one type of atom. Using mercury – and mercury poisoning – as an example, this video examines the chemical and structural qualities of elements and the anomalies that make mercury unusual. Complemented by clear graphics, it is essential viewing for students of chemistry. Show Less
Male Reproductive Tract: Porcine Testis
Dissections for the Science Classroom
This dissection looks at the external and internal features of the testis of a male pig, describing how the testis and its two main types of cells – germ cells and Leydig cells – function in sperm and hormone production. Complemented by...Show More
This dissection looks at the external and internal features of the testis of a male pig, describing how the testis and its two main types of cells – germ cells and Leydig cells – function in sperm and hormone production. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Female Reproductive Tract: Bovine
Dissections for the Science Classroom
This dissection of a bovine female reproductive tract explores the physical structure of the vulva, vagina, cervix, uterus and ovaries, describing the process of reproduction from hormonal triggers, to ovulation, to the path of sperm as...Show More
This dissection of a bovine female reproductive tract explores the physical structure of the vulva, vagina, cervix, uterus and ovaries, describing the process of reproduction from hormonal triggers, to ovulation, to the path of sperm as fertilisation occurs. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Male Reproductive Tract: Bovine
Dissections for the Science Classroom
This dissection of a bovine male reproductive tract explores the physical structure of the penis, scrotum and testes, and the various muscles and tissues that allow the organs to move, extend and retract during mating. The video describes the...Show More
This dissection of a bovine male reproductive tract explores the physical structure of the penis, scrotum and testes, and the various muscles and tissues that allow the organs to move, extend and retract during mating. The video describes the process of sperm production and the path it travels to eventual ejaculation. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
The Pluck: Cardiac and Respiratory System
Dissections for the Science Classroom
Pluck refers to the internal organs of an animal, including the tongue, larynx, oesophagus, heart, lungs and diaphragm. In this dissection, these organs are studied in detail to show their roles in supporting the body’s many systems including...Show More
Pluck refers to the internal organs of an animal, including the tongue, larynx, oesophagus, heart, lungs and diaphragm. In this dissection, these organs are studied in detail to show their roles in supporting the body’s many systems including the transportation of air, blood and food through the body. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Porcine (Piglet) Internal Organs
Dissections for the Science Classroom
A comprehensive exploration of the internal organs, this dissection of a piglet that did not survive the birthing process studies the full animal from top to tail. Describing the physical mechanics of dissecting a whole animal as well as the...Show More
A comprehensive exploration of the internal organs, this dissection of a piglet that did not survive the birthing process studies the full animal from top to tail. Describing the physical mechanics of dissecting a whole animal as well as the notable features of each organ, the video is a comprehensive and practical guide. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Squid
Dissections for the Science Classroom
The squid is a distinctive ocean-dweller belonging to the group known as cephalopods. This dissection shows the number of features and adaptations that makes the squid so well-suited to ocean life, including its camouflaging chromatophores,...Show More
The squid is a distinctive ocean-dweller belonging to the group known as cephalopods. This dissection shows the number of features and adaptations that makes the squid so well-suited to ocean life, including its camouflaging chromatophores, toothed suckers on its tentacles, superior eyesight and ink sac which together make the squid both an excellent predator and unattainable prey. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Fish
Dissections for the Science Classroom
Osteichthyes, or bony fish, make up approximately 95 per cent of all fish species. This dissection of an Australian Mullet reveals the specialised internal and external features that make life underwater possible, including its fins, gills,...Show More
Osteichthyes, or bony fish, make up approximately 95 per cent of all fish species. This dissection of an Australian Mullet reveals the specialised internal and external features that make life underwater possible, including its fins, gills, scales and swim bladder, as well as the many organs that bony fish share with mammals, such as those of the digestive system. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Crayfish
Dissections for the Science Classroom
The Redclaw Crayfish, found in northern Australia and Papua New Guinea, is a decapod (ten-legged) crustacean. This dissection covers the main bodily systems of the Redclaw, including the reproductive, nervous, circulatory and digestive systems,...Show More
The Redclaw Crayfish, found in northern Australia and Papua New Guinea, is a decapod (ten-legged) crustacean. This dissection covers the main bodily systems of the Redclaw, including the reproductive, nervous, circulatory and digestive systems, with a focus on the features that are particular to certain crustaceans, such as its unique gastric mill that assists digestion. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science. Show Less
Cane Toad
Dissections for the Science Classroom
Looking at the respiratory, digestive and reproductive organs as well as some bone and muscle groups, this comprehensive dissection of a cane toad reveals some of the unique features of amphibians. Complemented by clear, illustrative diagrams,...Show More
Looking at the respiratory, digestive and reproductive organs as well as some bone and muscle groups, this comprehensive dissection of a cane toad reveals some of the unique features of amphibians. Complemented by clear, illustrative diagrams, this is a valuable resource for secondary students of science alongside or in place of a hands-on dissection. Show Less
Giant Leaps Forward
The next few decades will be a busy time for space exploration and research and there are still many mysteries of the universe to investigate. This video looks at the future of the universe and human space exploration, looking at the continued...Show More
The next few decades will be a busy time for space exploration and research and there are still many mysteries of the universe to investigate. This video looks at the future of the universe and human space exploration, looking at the continued and accelerating expansion of the universe, new space technologies and the potential start of a new ‘space race’. Recommended for students interested in technology and the careers that contribute to space exploration. Show Less
One Small Step
Despite the many dangers of space travel, something keeps us going back to the vast and exciting unknown beyond our planet. This video takes viewers through the history of humans in space, covering the 20th century ‘space race’, the dangers...Show More
Despite the many dangers of space travel, something keeps us going back to the vast and exciting unknown beyond our planet. This video takes viewers through the history of humans in space, covering the 20th century ‘space race’, the dangers and health impacts of space on astronauts and the possibility of establishing colonies on other planets. Recommended for students interested in technology and the careers that contribute to space exploration. Show Less
Measuring the Universe
Space is big and it has taken centuries of work by physicists, engineers, meteorologists and astronauts to allow us to begin to measure the universe properly. This video takes viewers through the history of humans observing distant stars and...Show More
Space is big and it has taken centuries of work by physicists, engineers, meteorologists and astronauts to allow us to begin to measure the universe properly. This video takes viewers through the history of humans observing distant stars and planets, covering telescopes, the electromagnetic spectrum, the Hubble Telescope and various space probes sent throughout our solar system. Recommended for students interested in technology and the careers that contribute to space exploration. Show Less
