geothermal
part of speech
adjective (geothermal — no other forms)
meaning for a pupil
1) To do with the natural heat inside the Earth. tree →
2) Geothermal energy or power is electricity or heating made from that underground heat, for example from hot water and steam deep in the ground. tree →
sense in the lessons
In science it comes up in lessons on energy sources and volcanoes: geothermal energy is renewable and clean, used a lot in Iceland and New Zealand. In everyday life you meet it in hot springs, geysers and heat pumps. Phrases: geothermal energy, geothermal power station, geothermal heating, geothermal spring.
examples
- Iceland gets much of its heating from geothermal energy. tree →
- The geysers at Rotorua in New Zealand are a sign of geothermal activity. tree →
- A geothermal power station uses steam from deep underground to turn turbines. tree →
- We swam in a warm geothermal pool on holiday. tree →
- Geothermal energy is renewable because the Earth keeps making heat. tree →
- Our science project compared solar, wind and geothermal power. tree →
- Some houses use geothermal heat pumps to stay warm in winter. tree →
note
Built from geo (earth) + thermal (heat). An adjective, so it has no plural; it goes before a noun: geothermal energy. Say jee-oh-THER-mal. Do not mix up with geothermal and solar: solar heat comes from the Sun, geothermal heat comes from inside the Earth.
Trees and pragmatics
Every meaning and example of «geothermal» parsed by Mova, each sentence with its dependency tree and frames.