Wonderscape
Ecosystem Dynamics: Exploring Matter and Energy Flow
Dive into the intricate world of ecosystems, where every element, from the smallest organism to the broadest landscapes, plays a crucial role in the circulation of matter and energy. This video unravels how producers, consumers,...
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...
Curated Video
From Food Chains to Food Webs
Dr. Forrester explains how all animals rely on producers, or plants, to provide a foundation for food chains and food webs.
Curated Video
What is an Ecosystem?
An ecosystem is a complete community of living organisms and the nonliving materials of their surroundings. This includes plants, animals, microorganisms and their environment, such as soil, rocks, and minerals. An Ecosystem also...
PBS
Have Humans Always Feared Sharks?
Despite the extreme rarity of attacks on humans, Sharks have become perhaps the most widely feared animals on the planet. How did this happen? They're not naturally aggressive towards humans and kill fewer people each year than falling...
Professor Dave Explains
Food Webs and Trophic Cascades
Now that we know about nutrient cycling, we are ready to look at food webs as a whole. These represent feeding relationships within a community.These relationships designate certain trophic levels, so let's learn about what these mean...
Curated Video
GCSE Biology - Trophic Levels - Producers, Consumers, Herbivores & Carnivores #86
This video covers: - The idea that trophic levels are just the different levels of a food chain - Trophic level 1 are called the producers - Trophic level 2 are primary consumers, trophic level 3 are called the secondary consumers and so...
Curated Video
GCSE Biology - Pyramids of Biomass #87
This video covers: - The idea that biomass is just the mass of living organisms - Pyramids of biomass show the amount of biomass at each trophic level of a food chain - Why the amount of biomass decreases as you go up the food chain -...
Curated Video
GCSE Biology - Food Chains & Predator Prey Cycles #85
For ecosystems to function they need energy; and we can see how this energy moves through ecosystems with food chains. We also explore how the populations of predators and prey vary over time with predator prey cycles.
Curated Video
Creating a Water Ecosystem
Dr. Forester creates a water ecosystem and identifies the roles of consumer, producer, and decomposer in the water ecosystem.
Curated Video
Food Webs
“Food Webs” explains the movement of energy from producers to consumers to decomposers.
Curated Video
Ecosystems: What If Algae Were Removed from a Pond?
A video entitled “Ecosystems: What If Algae Were Removed from a Pond?” which examines algae as organisms and discusses how one small part of an ecosystem can play a big role.
Curated Video
High Five Facts - Wildlife Conservation
This video explores five fun facts about wildlife conservation.
Curated Video
What are Food Chains | Learning Science
Where do plants and animals get their energy from? Explore food chains and see how energy is passed from the sun to plants and on to first, second and third order consumers.
Curated Video
#8 How to Make Inferences While You Read (Reading Comprehension)
In this video, I teach you how to make inferences while you read. A lot of times, the author doesn't tell us directly what is happening so we have to make inferences. I teach a simple and easy process to help you understand what you are...
Flame Media
How one woman started a company to tackle food waste
Food Fighter is the inspirational story of one woman who abandoned capitalism in favour of social activism. Ronni Kahn founded OzHarvest to wage war on food waste, and to expose an inconvenient truth: that four million tonnes of food is...
Wonderscape
Science Kids: Plastic and Chemical Pollution in Oceans
This video discusses the significant sources of pollution in our oceans, focusing on the impact of chemical waste and plastic pollution. It highlights the consequences of pollution on marine life, human health, and the environment. The...
Flame Media
Can we cut food waste in Australia by 2030?
Food Fighter is the inspirational story of one woman who abandoned capitalism in favour of social activism. Ronni Kahn founded OzHarvest to wage war on food waste, and to expose an inconvenient truth: that four million tonnes of food is...
Espresso Media
The Dangers of Plastic Pollution in the Great Lakes
In this video, chemist Sherry Mason discusses her research on the contamination of the Great Lakes with plastic particles. She highlights the alarming presence of plastic in the water, its harmful effects on marine life, and the...
Curated Video
Efficient Food Production: Farming and Fishing Techniques
The video is a lecture on farming and fishing, with a focus on increasing the efficiency of food production. The video discusses various techniques and methods to increase the transfer of energy between levels in a food chain, including...
NASA
NASA | Earth Science Week: Keeping Up With Carbon
"Keeping Up With Carbon" is the final episode in the six-part series "Tides of Change", exploring amazing NASA ocean science to celebrate Earth Science Week 2009. Carbon is all around us. This unique atom is the basic building block of...
Food Farmer Earth
The Foraging Frontier: Commercial Mushroom Pickers
Langdon Cook delves into the world of commercial foragers, who venture into forests to harvest nature's bounty, such as mushrooms that cannot be cultivated. This industry, spurred by the demand for wild foods in restaurants and markets,...
Curated Video
The Transfer of Biomass in Food Chains: Efficiency and Energy Loss
This video is a lecture presentation on the transfer of biomass in food chains. The presenter explains how processes carried out by living organisms can affect the amounts of biomass and energy transferred from one trophic level to...