Knowledge Lesson 6

Extinct: If dinosaurs are extinct, does that mean there are no more dinosaurs left on the earth?

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Mantle: Is the mantle the outermost layer of the earth where we live?

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Inner core: Is the inner core a solid metal ball in the center of the earth?

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Sediments: Do layers of sediments, or pieces of dirt and rock, pressed on top of one another over time form sedimentary rocks?

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Destructive: Can some volcanoes be destructive when their lava and ash pour out onto the land around them?

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Crust: Is the crust a layer of liquid rock deep inside the earth?

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Geologist: Is a geologist a scientist who studies clouds and the sky?

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Fossils: Are fossils the preserved imprint or bodies of animals and plants that died many years ago?

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Solid: Is something solid when it takes the shape of whatever container it is in?

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Pressure: Does pressure happen when the weight or force of something presses or pushes against something else?

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