“Oil Was Formed Millions of Years Ago”
Storyboard Text
- Did you know that the oil we get was formed millions of years ago?
- which transformed those remains of those creatures into oil and natural gas.
- Some of the animals and plants didn't turn into rock. The weight of water, heat from Earths core, and chemical changes
- It began as tiny plants and animals that lived and died in the oceans. After they died, these creatures sank to the ocean floor.
- Really! Tell Me more!
- Over time, the oil and natural gas seeped into pores, or tiny holes in the layers of rocks. They may be too small to see to the naked eye but its big enough for oil and gases to seep through it.
- It is kinda like a sponge that holds water.
- So that means oil is really just dead animals and plants?
- Geologists call this layer a cap rock because it functions like the cap on a container.
- Impermeable means “preventing the passage of liquid or gas.”
- Some timessome of this oil or gas has risen to Earth’s surface but a lot ofremains are trapped underneath a layer of impermeable rock.
- What does impermeable mean?
- Thank you for teaching me all about this!
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