Science Crossword - Daria kelly

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Across
  1. 4. / failure or refusal to conform to a prevailing rule or practice.
  2. 5. / the rigid outer part of the earth, consisting of the crust and upper mantle.
  3. 6. push / sliding plate force is a proposed mechanism for plate motion in plate tectonics.
  4. 8. / a surface of contact between two groups of unconformable strata.
  5. 11. pull / motion of a tectonic plate that can be accounted for by its subduction.
  6. 12. core / center of the earth.
  7. 13. / strength or energy as an attribute of physical action or movement.
Down
  1. 1. / the upper layer of the earth's mantle, below the lithosphere.
  2. 2. / a break in a sedimentary sequence that does not involve a difference of inclination between the strata on each side of the break.
  3. 3. core / layer of the earth that is made out of iron and nickel.
  4. 4. force / sum of all forces acting on an object
  5. 7. / a property of matter by which it continues in its existing state of rest or uniform motion in a straight line.
  6. 8. force / two individual forces are of equal magnitude and opposite direction.
  7. 9. crust / the relatively thin part of the earth's crust that underlies the ocean basins.
  8. 10. life / he time taken for the radioactivity of a specified isotope to fall to half its original value.