Global Success 7 – Unit 10: Energy Sources
Vocabulary · energy
10 words · Science · Grade 7
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Words
| Word | Meaning | Example |
|---|---|---|
| energy | Power to make machines work. | We need energy for lights. |
| renewable | Can be used again and again. | Solar power is renewable. |
| non-renewable | Will run out one day. | Coal is non-renewable. |
| solar | From the sun. | We have solar panels on the roof. |
| nuclear | Using the power of atoms. | Some countries use nuclear energy. |
| electricity | Power for lights and machines. | Turn off the lights to save electricity. |
| light bulb | The glass part of a lamp that lights up. | Use energy-saving light bulbs. |
| panel | A flat sheet, e.g. a solar panel. | The panel collects sunlight. |
| source | Where something comes from. | Wind is a source of energy. |
| replace | Use something new instead. | Replace old bulbs with LED bulbs. |
