Here you have some videos so you can learn interesting facts :-) Video: What is sound? You can watch this video that has English subtitles Video: Light. With English subtitles too. Video: What is heat? Conduction, convection, radiation. Science for kids. This is the documentary ( Page55) we watched in our class. ( Este documental lo hemos visto en clase con subtítulos en inglés) It is called Hear energy , see energy , feel energy ! And now you can enjoy these Genially presentations :-) Now you can watch a Genially presentation about sound energy . Click on the blue link Genially_Presentation-sound-energy Now you can watch a Genially presentation about light and heat . Click on the blue link Presentation-light-and-heat