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Clip description		Keywords
	Hot air balloons powered by a toaster Duration: 01:55 Presenter Dr Yan Wong demonstrates how an ordinary toaster can be used to fly a hot air balloon.	convection, heat, expansion, molecules, BangGoesTheTheory, investigation

	Heat energy transfer Duration: 01:06 An explanation of how heat energy always moves from hot to cold and how the energy is transferred.	energy, heat, controlling flow, heat travel

	Himalayan snake has evolved to live in hot springs Duration: 02:10 A species of snake has evolved to live successfully in Himalayan hot springs and is able to regulate its body temperature.	poikilothermic, poikilotherm, cold blooded, snake, reptile, Himalaya, extremophile

	Images of a hot desert biome (no narration) Duration: 02:01 A series of images from a hot desert biome, featuring the sandstone formation of Uluru, Australia. No narration.	desert, biome, hot, arid, environment, ecosystem, dry, Australia, Uluru, Ayers Rock, sandstone, sunset, nocturnal, fauna, adaptation, animals

	Life on Earth - Filming an Airiel Sequence Duration: 04:33 A camera crew use a hot air balloon to get close up shots of a tree for the series 'Life on Earth'.	camera shots, hot air balloons, trees, camerawork, Life on Earth, aerial photography

	All My Sons: Chris's Character Duration: 03:35 Through discussion and narration, actors in rehearsal explore the character of Chris as he relates to the other characters in Arthur Miller's play 'All My Sons'.	improvisation, hot-seating, narration, characterisation, developing character, drama, theatre

	Hydrothermal vent extremophiles Duration: 01:22 A description of the species found around hydrothermal vents on the ocean floor. The species around these hot vents are unique due to geographical isolation.	endemic, speciation, lobster, crustacean, hot vent, thermal vent, volcano, extremophile

	Heat and insulation Duration: 00:56 A demonstration of the use of a camera to show hot and cold areas. Includes an explanation of how people and animals use insulation to keep warm.	insulator, insulate, temperature, heat

	Thermal imagery in the desert Duration: 02:02 Thermal imagery can be used to show the diurnal range of temperature in the hot deserts.	thermal imaging, sand, heat, desert, freezing, sun, dunes, night, day, diurnal range, chameleon, adaptation

	Travelling across the Plains Duration: 01:25 The hardships and dangers facing emigrants setting out across the Plains.	settler, emigrant, plains, mountains, wagon, trail

	Why did Mercury lose its atmosphere? Duration: 01:58 Mercury lost its atmosphere because it was too small and too hot.	sun, Mercury, atmosphere, gravity, outerspace

	Convectional rainfall - Costa Rica Duration: 01:02 Costa Rica experiences hot weather. This heat brings heavy convectional rainfall.	cloud, Costa Rica, rain, heat, convectional rain, air, warm air, cools, condensation, tropics, temperate latitude, Europe, summer

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