SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
Crash Course
What Does the Atmosphere Do Crash Course Geography
Much like a cell membrane, our atmosphere forms a protective boundary between outer space and the biosphere that allows for all life to exist on Earth’s surface. Today, we’re going to talk about its composition and layers (the...
Bozeman Science
Heating
In this video Paul Andersen explains how heating is the transfer of energy (heat) from a warmer object to a cooler object. Heat can be transferred through conduction, convection and radiation. At the microscopic level conduction results...
SciShow
How Do Wetsuits Keep You Warm?
Snorkelers, surfers, divers. They all use them… wetsuits! So how do they work to keep you warm? It turns out layers of materials, and water itself!
Bozeman Science
Conservation of Electric Charge
In this video Paul Andersen explains how the conservation of charge applies to objects in a system. When a charged object induces charge or conducts charge to a neutral object the net total of charge will not change. Grounding allows...
SciShow
The Chemistry of Fried Food
You know it, and you love it. Fried food! But there’s more to fried dishes than just plopping food into hot oil. You have to know what’s up with the food you’re cooking and what oils will work best for you dish.
Crash Course
Heat Transfer: Crash Course Engineering #14
Today we’re talking about heat transfer and the different mechanisms behind it. We’ll explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation.
Bozeman Science
Thermoregulation
Paul Andersen explains how organisms are able to regulate their internal body temperature (or not). He starts with a brief description conduction, convection, radiation and metabolism. He contrasts ectotherms and endotherms. He also...
Bozeman Science
Heat
In this video Paul Andersen explains how heat is the movement of energy from an object with a higher temperature to an object with lower temperature. Heat transfer can occur through conduction, convection, and radiation.
Bozeman Science
PS3B - Conservation of Energy and Energy Transfer
Paul Andersen explains how energy is conserved within a system. In both macroscopic and microscopic collisions the amount of energy before the collision is equal to the amount after. He then defines heat as energy transfer between...
Curated Video
Conduction
The transfer of heat energy due to a difference in temperature, always from a hotter to cooler area. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Heat Transport
Conduction, convection and radiation are all ways in which heat is transported. How does each work, and what are they useful for? Physics - Energy And Radioactivity - Learning Points. The three types of heat transport are conduction,...
Curated Video
Ingenhousz's Heat Conductors
We use a metal box holding rods of different materials to test their ability to conduct heat. The box is filled with boiling water and a paperclip is attached to the end of each rod using petroleum jelly. As the heat moves through the...
Curated Video
Expansion and conduction – Big reveal
What is it? ... It's a radiator! Material processes - Changing materials - Expansion and conduction A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
Curated Video
Heat transfer – Big reveal
What is it? ... It's a red-hot poker! Physical processes - Energy and energy transfer - Heat transfer A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
Curated Video
Choosing suitable materials – Clip
Discover how lightning rods protect buildings when they are struck and why they are made of metal. Material processes - Classifying materials - Choosing suitable materials A Twig Tidbit Film - Clip. A short film that extends the learning...
Curated Video
Expansion and conduction – What happens next?
A balloon is dipped in liquid nitrogen ... what happens next? Material processes - Changing materials - Expansion and conduction A Twig Tidbit Film - What happens next? A short section of film is played and the children have to guess...
Curated Video
Expansion and conduction – Odd one out
Four substances are shown on screen, but which is the odd one out and is not a good conductor of heat? Material processes - Changing materials - Expansion and conduction Learning Points Metals are good thermal conductors due to their...
Curated Video
Iguanas
Journey to the Galapagos to see how cold-blooded iguanas keep themselves warm. Physical processes -Energy and energy transfer - Heat transfer Learning Points The Sun's heat energy travels to Earth as infrared radiation. Convection:...
Curated Video
Insulation
How do insulators manage to keep the heat both in and out? Material processes - Changing materials - Insulation Learning Points Insulators do not allow energy to pass easily through them. Thermal insulators do not allow heat energy to...
Curated Video
The dangers of electricity
Find out what happens to a farmer who becomes part of an electrical circuit. Physical processes - Electricity and magnetism - Conductors and dangers of electricity Learning Points People can conduct electricity. Conductors are materials...
Curated Video
Conductors and insulators
Find out what the difference is between a conductor and an insulator. Physical processes - Electricity and magnetism - Conductors and dangers of electricity Learning Points Conductors are materials that allow the flow of electricity....
Curated Video
Heat transfer
Investigate the ways in which heat can be transferred. Physical processes - Energy and energy transfer - Heat transfer Learning Points Conduction is the transfer of energy from one molecule to the next. Convection is the transfer of heat...