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Heat Flows Home: How Does a Radiator Work? | Kids’ Science Song

◷ 3:16

How does heated water help warm a room? This catchy children’s song follows water through a pipe to the radiator, where it warms the metal before returning through a separate pipe to be heated again. It also shows warm air rising nearby while cooler air moves in within the room.

Concepts explained

Concept glossary ↗

Original explanations based on the cited sources.

Electric circuits

A circuit connects electrical parts, such as a battery, wires and a lamp. In a simple battery circuit, current flows when the path is closed.

Sources

Blood circulation

In humans, the heart pumps blood through vessels to the lungs and the rest of the body. Blood carries oxygen, nutrients and waste products, among other substances.

Sources

Text from the recording’s subtitles.

Song lyrics
Откуда в комнате тепло зимним вечером? Я вхожу — здесь всё ещё прохладно На безопасном расстоянии смотрю Отопление включается сейчас Представлю красную каплю тёплой воды От источника — по трубе к батарее Тёплая вода нагреет батарею Тёплый металл отдаёт тепло комнате По одной трубе — прямо к батарее По другой вода вернётся к источнику Вода нагревает металл батареи Воздух рядом становится тёплым Тёплый воздух поднимается к потолку А прохладный занимает его место Ленту держу вдали — воздух её качает Тёплая вода нагреет батарею Тёплый металл отдаёт тепло комнате По одной трубе — прямо к батарее По другой вода вернётся к источнику Остыв, вода идёт по другой трубе У источника нагреется опять Воздух движется лишь внутри комнаты Тёплая вода нагреет батарею Тёплый металл отдаёт тепло комнате По одной трубе — прямо к батарее По другой вода вернётся к источнику Стало уютно — теперь мне всё понятно Вода в трубах, воздух движется в комнате
Language version lyrics
Who warms my room this winter evening? I step inside; it’s chilly still I keep a safe distance as I watch The heating starts to work before me I picture one warm drop, glowing red From the heat source, it flows through a pipe to the radiator Warm water heats the radiator Warm metal shares heat with the room One pipe takes it to the radiator A second brings it back to the heat source Water warms the radiator’s metal Air beside it slowly becomes warm Warmed air rises toward the ceiling Cooler air moves in to take its place Held safely back, the strip sways with the air Warm water heats the radiator Warm metal shares heat with the room One pipe takes it to the radiator A second brings it back to the heat source Cooler water takes the other pipe At the heat source, it grows warm again Air moves only here inside the room Warm water heats the radiator Warm metal shares heat with the room One pipe takes it to the radiator A second brings it back to the heat source The room feels cozy; now I understand Water in pipes, air moving through the room
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Try after watching

A short activity with an adult, matched to the film’s topic. Expand the instructions.

Practice

A device diagram without taking it apart

For this film: Heat Flows Home: How Does a Radiator Work? | Kids’ Science Song

Terms to check: Heat transfer

An excerpt from the recording

Откуда в комнате тепло зимним вечером? Я вхожу — здесь всё ещё прохладно На безопасном расстоянии смотрю
Safety

This is a film-and-paper activity. Do not recreate experiments, take devices apart or touch unknown substances. Ask an adult if unsure.

Materials

The film, paper and a pencil. You can also answer aloud.

Steps

  1. Draw a device or network from the film and label three parts shown.
  2. Use arrows for what flows or which signal is sent, according to the film.
  3. Point to where the device’s behavior changes. Explain it to an adult using the drawing without touching equipment.

What can you notice?

Answer in your own words first, then check the film. Mark a question you want to discuss with an adult.

Explanation sources

Original exercises for this film. Check answers against the source material.

3:07
Audio language: EnglishSongs

Heat Flows Home: How Does a Radiator Work? | Kids’ Science Song

How does heated water help warm a room? This catchy children’s song follows water through a pipe to the radiator, where it warms the metal before returning through a separate pipe to be heated again. It also shows warm air rising nearby while cooler air moves in within the room.

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