What is a wind turbine?
Test 2.1 to 2.15 Earth's Energy

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Science
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9th - 12th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A wind turbine is a device that converts kinetic energy from the wind into mechanical energy, which can then be converted into electricity.
2.
FLASHCARD QUESTION
Front
What is the main ingredient needed for ethanol production?
Back
The main ingredient needed for ethanol production is sugars, which can be derived from various plant materials.
3.
FLASHCARD QUESTION
Front
Why is solar energy considered renewable?
Back
Solar energy is considered renewable because the sun's energy is abundant and will not run out for billions of years.
4.
FLASHCARD QUESTION
Front
What is the most abundant energy resource on Earth?
Back
The most abundant energy resource on Earth is solar power.
5.
FLASHCARD QUESTION
Front
What is wind?
Back
Wind is defined as air in motion, caused by the uneven heating of the Earth's surface by the sun.
6.
FLASHCARD QUESTION
Front
What is the difference between renewable and non-renewable energy sources?
Back
Renewable energy sources can be replenished naturally in a short period of time, while non-renewable energy sources exist in finite amounts and take millions of years to form.
7.
FLASHCARD QUESTION
Front
What are fossil fuels?
Back
Fossil fuels are natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.
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