How do solar panels work? - Richard Komp – YouTube Dictation Transcript & Vocabulary
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Interactive Transcript & Highlights for Dictation
1.The Earth a lot of solar power: 173 thousand terawatts
2.That's ten thousand times more power than the planet's population uses
3.So is it possible that one day the world could be completely reliant on solar energy
4.To answer that question, we first need to examine how solar panels convert solar energy to electrical energy
5.Solar panels are made up of smaller units called solar cells
💡 Tap the highlighted words to see definitions and examples
Key Vocabulary (CEFR B2)
intercepts
A2An interception of a radio broadcast or a telephone call.
Example:
"The Earth intercepts a lot of solar power:"
businesses
A2A specific commercial enterprise or establishment.
Example:
"not to mention businesses that lobby to maintain the status quo."
crystalline
B1Any crystalline substance.
Example:
"crystalline silicon is sandwiched between conductive layers."
particles
A2A very small piece of matter, a fragment; especially, the smallest possible part of something.
Example:
"You can think of light as the flow of tiny particles"
infrastructure
B1(systems theory) An underlying base or foundation especially for an organization or system.
Example:
"We'd need the funding to build the infrastructure"
estimates
A2A rough calculation or assessment of the value, size, or cost of something.
Example:
"Estimates range from tens to hundreds of thousands of square miles,"
especially
A2(manner) In a special manner; specially.
Example:
"especially in developing countries,"
stopping
A2To cease moving.
Example:
"So what's stopping us from being completely reliant on solar power?"
mention
B2A speaking or notice of anything, usually in a brief or cursory manner. Used especially in the phrase make mention of.
Example:
"not to mention businesses that lobby to maintain the status quo."
maintain
A2To support (someone), to back up or assist (someone) in an action.
Example:
"not to mention businesses that lobby to maintain the status quo."
| Word | CEFR | Definition |
|---|---|---|
| intercepts | A2 | An interception of a radio broadcast or a telephone call. |
| businesses | A2 | A specific commercial enterprise or establishment. |
| crystalline | B1 | Any crystalline substance. |
| particles | A2 | A very small piece of matter, a fragment; especially, the smallest possible part of something. |
| infrastructure | B1 | (systems theory) An underlying base or foundation especially for an organization or system. |
| estimates | A2 | A rough calculation or assessment of the value, size, or cost of something. |
| especially | A2 | (manner) In a special manner; specially. |
| stopping | A2 | To cease moving. |
| mention | B2 | A speaking or notice of anything, usually in a brief or cursory manner. Used especially in the phrase make mention of. |
| maintain | A2 | To support (someone), to back up or assist (someone) in an action. |
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