What are fossil fuels?
Warm-up #35

Flashcard
•
Science
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Fossil fuels are natural substances formed from the remains of ancient plants and animals, primarily consisting of coal, oil, and natural gas. They are used as energy sources but contribute to air pollution and climate change.
2.
FLASHCARD QUESTION
Front
Which energy sources are considered renewable?
Back
Renewable energy sources are those that can be replenished naturally over time. Examples include solar energy, wind energy, hydroelectric energy, and geothermal energy.
3.
FLASHCARD QUESTION
Front
What is the impact of burning coal and oil on the environment?
Back
Burning coal and oil releases carbon dioxide and other pollutants into the atmosphere, contributing to air pollution and climate change.
4.
FLASHCARD QUESTION
Front
What is the difference between renewable and non-renewable energy sources?
Back
Renewable energy sources can be replenished naturally (e.g., solar, wind), while non-renewable energy sources (e.g., coal, oil) are finite and will eventually run out.
5.
FLASHCARD QUESTION
Front
What are rare earth metals?
Back
Rare earth metals are a group of 17 elements that are essential for many high-tech applications, but they are found in very low concentrations in the Earth's crust.
6.
FLASHCARD QUESTION
Front
Why is oil considered a non-renewable resource?
Back
Oil is considered a non-renewable resource because it takes millions of years to form, and once extracted and used, it cannot be replaced within a human timescale.
7.
FLASHCARD QUESTION
Front
What are the main components of natural gas?
Back
Natural gas primarily consists of methane (CH4), but it can also contain other hydrocarbons and impurities.
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