Curated Video
GCSE Chemistry - Fractional Distillation and Simple Distillation #50
In this video we'll learn: - The process of simple distillation - The process of fractional distillation - How simple and fractional distillation differ
The Guardian
How Exposure to Difference Can Lead to Tolerance
Learn why a former internet radical no longer believes immigration is a threat to his town. Hear from a young, muslim woman who is highly critical of conservative Islamic groups such as the Muslim Brotherhood. Understand why she believes...
Curated Video
Human Body: Digestive System
Dr. Forrester describes the body’s digestive system. She highlights each component of the system and explains how the mouth, esophagus, stomach, liver, pancreas, and the intestines work to process the food and liquids that we eat and drink.
Curated Video
Change is Inevitable
Dr. Forrester defines physical change and chemical change. She compares and contrasts a physical change to a chemical change and predicts, conducts, and records the outcome of a chemical and physical change.
Curated Video
Solid, Liquid, and Gas: It’s a Matter Thing
Dr. Forrester defines the three states of matter as solid, liquid, and gas. She also teaches the student the properties of matter and defines boiling point, melting point, freezing point, condensation, and evaporation.
Curated Video
Hydroelectricity
Dr. Forrester talks about hydrologists and explains that a hydrologist is a scientist who studies the movement, quality, and distribution of water. She also explains how water can be used to produce electricity.
Curated Video
High Five Facts - Heat Transfer
This video explores five fun facts about heat transfer.
Curated Video
Light and Shadow
Miss Palomine explains that the reason she is wearing sunglasses is because the sunlight is so bright. This begins a discussion of natural light and shadows. She then transitions to a discussion of man-made light, and encourages the...
Curated Video
What Are the Properties?
Miss Palomine explains that scientists observe physical properties of various objects and experiment to see if the properties can be changed. She makes a variety of observations about several objects (solids and liquids) and discovers...
Curated Video
Go with the Flow
Miss Palomine shows examples of three types of matter – gas, liquid, and solid. She then describes the differences among them. She focuses on the properties of liquids, and asks the student to help her identify liquids from a list of...
Curated Video
Is It a Solid?
Miss Palomine shows examples of three types of matter: gas, liquid, and solid. She then describes the differences among them. She asks the student to help her identify solids from a list of pictures.
Curated Video
Why Electronics Need Cooling - transistor heat sink
Learn why electronics generate heat, how to optimise cooling system design using CFD Computational Fluid Dynamics. Learn how heat pipes, heat sinks, water cooling, liquid cooling, pc cooling, laptop cooling works with thermal imaging....
Curated Video
Thermostatic Radiator Traps - Steam heating HVAC
Thermostatic radiator traps are used in steam heating systems. They are installed in 2 pipe steam heating systems, to prevent steam passing through and returning to the boiler. We cover the basics of a steam heating system, the boiler,...
Curated Video
Steam Heating Systems Basics hvacr
Steam heating system basics. Learn the basics of how steam heating systems work and where steam heating systems are used.
Curated Video
Liquid Level Switches Explained - Industrial Refrigeration Ammonia industrial engineering
Liquid Level Switches. In this video w're going to be looking at how and where liquid level switches are used within ammonia industrial refrigeration systems. We'll look at the main parts, the applications as well as the technology inside.
Curated Video
Laptop Heat Pipes Explained - how laptop cooling works
How do laptops stay cool? we look inside a laptop to learn how a laptop heat pipe works to control the thermal management of a laptop and remove the heat from the processor.
Curated Video
How TXV works - Thermostatic expansion valve working principle, HVAC Basics vrv heat pump
In this video we take a look at how the thermostatic expansion valve or TXV works in a HVAC refrigeration system and the basic working principles that allow it to meter the flow of refrigerant into the evaporator of chillers and ac units.
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
How EEV works - Electronic Expansion Valve working principle, HVAC Basics
How does an electronic expansion valve work EEV EXV. In this video we're going to cover the basic working principles for how an electronic expansion valve works in a refrigeration system. Learn HVAC enineering with animations and 3d models.
Curated Video
How A Heat Pump Works - HVAC
In this video we take a look at how heat pumps work. Covering the basics, showing the typical system along with the main components and an animated drawing explaining its operation in both cooling and heating mode as well as how the...
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
Electronic Expansion Valve - How it works ETS 5M HVAC
Electronic expansion valve. In this video we'll be covering EEV electronic expansion valve to learn how they work and where they are used. We learn basic refrigeration cycle, compressor, condenser, evaporator and different types of...
Curated Video
Centrifugal Pump Basics - How centrifugal pumps work working principle hvacr
Centrifugal Pumps - In this video we learn the basics of how centrifugal pumps work, the main parts of centrifugal pumps, how the electrical motor powers the pump impeller and how the impeller moves water in the HVAC system.