Fact or Theory?

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1. Mantle Convection
Fact
Theory

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2. Most objects in the universe are moving away from a central spot.
Fact
Theory

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3. The Big Bang
Fact
Theory

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4. The Sun
Fact
Theory

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5. The Earth's plates are moving
Fact
Theory

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6. The Earth's magnetic field is similar to the magnetic field from a bar magnet.
Fact
Theory

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7. The magnetic field from a current loop is the same as the magnetic field from a bar magnet.
Fact
Theory

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8. The Earth's magnetic field is created by current loops in the molten outer core.
Fact
Theory

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9. The Sun, the Earth and the other planets in our Solar System formed from the accretion of a spinning, collapsing nebula.
Fact
Theory

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10. The sialic continents, mafic ocean floors, the crust, the mantle and the core were all formed while the early melted Earth cooled and differentiated as low density minerals floated to the surface and heavy, denser minerals sank to the center.
Fact
Theory

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11. Volcanic gasses are basically boiling Perrier (generally 70-95% steam and up to 15% carbon dioxide) with some hydrogen sulfide gas for aroma.
Fact
Theory

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12. The water in the Earth's oceans came from the cooling and condensation of the steam in the Earth's early atmosphere of volcanic gasses.
Fact
Theory

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13. 80-90% of the sand and mud that falls into the ocean is not in the ocean anymore.
Fact
Theory

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14. All rocks of the same age, from land or from the ocean floor, are magnetized in the same direction.
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Theory

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15. Plate Tectonics is a theory.
Fact
Theory