Curated Video
What is air?
You may not think about it much, but air is everywhere and it is essential to life. Material processes - Solids, liquids and gases - Characteristics of air Learning Points Air is a mixture of gases including nitrogen and oxygen. Air...
Curated Video
Why is urine yellow?
Urine is a waste product produced by humans and animals. Why is it yellow? Life processes - Living processes - Excretion Learning Points Urine is produced by the kidneys and is excreted through the bladder. Urine is mostly water, excess...
Curated Video
What is excretion?
All living things need to excrete, but what do we mean by this? Life processes - Living processes - Excretion Learning Points Excretion is the process of removing waste products. Waste products need to be removed from the body, otherwise...
Curated Video
Living things
Some robots can be very lifelike but what makes something alive? Life processes - Living processes - Living things Learning Points All living things need nutrition and energy. All living things react to their environment, excrete waste...
Curated Video
Science Experiment: Homemade Fire Extinguisher
When we are mixing vinegar and baking soda, we get a foamy reaction that produces carbon dioxide. You can't see it, but we can actually fill a glass with it because carbon dioxide is heavier than air. When I pour concentrated carbon...
Wonderscape
The Greenhouse Effect: Unraveling the Impact on Global Climate
This video explores the greenhouse effect and its significant role in global warming. It explains how greenhouse gases, like carbon dioxide and methane, trap heat in the Earth's atmosphere, leading to a rise in global temperatures. The...
Curated Video
GCSE Chemistry - Evolution of the Atmosphere #67
In this video, we'll look at: - What the early atmosphere was like on earth - How that atmosphere changed to be suitable for life - The processes responsible for features of the earth we see today
Curated Video
Válvula de Expansión Electrónica.
En este video vamos a ver la válvula de expansión electrónica EEV para aprender cómo funcionan y dónde se utilizan. Aprendemos el ciclo básico de refrigeración, el compresor, el condensador, el evaporador y los diferentes tipos de...
Curated Video
Controlador del Evaporador - EKE400 Refrigeración Industrial Ingeniería Industrial
Control del evaporador en la ingeniería de refrigeración industrial. En este vídeo vemos cómo se controlan los evaporadores en los sistemas de refrigeración industrial, incluyendo el desescarche, la refrigeración, la bandeja de goteo,...
Curated Video
Evaporator Controller - EKE 400 Industrial Refrigeration industrial engineering
Evaporator control in industrial refrigeration engineering. In this video we look at how evaporators and controlled in industrial refrigeration systems, covering defrost, cooling, drip tray, valve stations, controller, liquid line, wet...
Curated Video
How Multi ejectors work - working principle CO2 refrigeration
How Multi Ejectors work in C02 refrigeration system. In this video we'll be discussing how a multi ejector works in co2 transcritical refrigeration systems. We'll cover this topic using 3D models to help you learn HVAC.
Curated Video
Climate Change
“Climate Change” introduces possible causes and effects of climate change along with potential actions that could mitigate the problem.
Curated Video
Why politicians have failed to tackle climate change
Climate change is now recognised as the defining threat facing the planet. So why has so little been done to tackle it?
EarthEcho International
Exploring the Threats to Coral Reefs: A Dive into Biscayne Bay
The video explores the impact of changing water quality on coral reefs, specifically in South Florida's Biscayne Bay. Marine biologist Ilsa Kuffner discusses the three main threats facing coral reefs: coral bleaching, ocean...
Next Animation Studio
Amazon goes from ‘carbon sink’ to carbon creator
The Amazon used to be praised as our planet’s lungs, absorbing a lot of Earth’s carbon dioxide, but things are going very wrong in the world’s last great wilderness.
Next Animation Studio
Climate change affecting soil's ability to absorb CO2
A new research paper studied how climate change affects the capability of soil to trap carbon dioxide emissions.
Catalyst University
Type I Alveolar Cells, Respiratory Membranes, & Gas Exchange
In this video, we discuss how gas exchange occurs across the respiratory membrane at the alveoli and how this involves Type I Alveolar Cells.
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...
EarthEcho International
Exploring the Effects of Ocean Acidification on Earth
The video explores the effects of ocean acidification on our planet, with a focus on the impact it has on shellfish and the food chain. It offers solutions and highlights the work of Earth Echo International and scientists in the Pacific...
Weatherthings
Weather Things: Carbon Dioxide
Climate is the average type of weather that a region has. It is defined by temperature and moisture. Proximity to oceans and large mountain ranges defines climate too, depending upon the prevailing wind. While climates change over...
Catalyst University
Type II Alveolar Cells | Pulmonary Surfactant
Type II Alveolar Cells | Pulmonary Surfactant
NASA
NASA | Science for a Hungry World: Part 6
As our series concludes, we ask NASA researchers: how will climate change impact agriculture?
Weatherthings
Weather Things: Storms
The atmosphere is dynamic and forever changing to maintain balance. The ingredients of air, sunlight and water allow life to exist on Earth, but they also generate calm scenes like rainbows, as a tornado ends. All storms move moisture,...
NASA
The Largest Group of Earth Scientists on Earth
NASA's Goddard Space Flight Center has the largest collection of Earth scientists on the planet. Their job is to be the nation's trusted source of comprehensive environmental information about the current state and the future of Earth....