Across
- 3. How is energy extracted from fossil fuels?
- 6. Nuclear ________ is a process where the inner core of an atom is split and energy is released.
- 7. This type of mining is used when the coals is located near the Earth’s surface.
- 10. This type of glass is much cleaner than oil and coal, and is mostly made of methane.
- 11. Most nonewneable energy sources are ___________ _________.
- 12. This type of mining is used when the coal is located deep below the Earth’s surface.
Down
- 1. This is a process where high-pressure water splits apart the rocks underground, releasing gas.
- 2. Oil, coal, and natural gas are all forms of _________ energy.
- 4. What is one product made from petroleum (often used for cars)?
- 5. This is a black or brownish rock created from the carbonization of ancient plants and animals.
- 8. This is a name for oil that’s found in underground rock formations.
- 9. This is a type of energy that involves obtaining powerful energy from atoms.
