Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)

Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)

Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)

Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)

Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)

Vocabulary Quiz #26 4/4/11- 4/8/11

  1. continental drift- the hypothesis that the continents slowly move across Earth’s surface.
  2. convection currents- the movement of a fluid, caused by differences in temperature, that transfers thermal energy from one place to another.
  3. mid-ocean ridge- the undersea mountain chain where new ocean floor is produced; a divergent plate boundary.
  4. deep ocean trench- a deep valley along the ocean floor through which oceanic crust slowly sink toward the mantle.
  5. rift valley- a deep valley that forms where two plates move apart.
  6. oceanic crust-crust beneath the ocean. (basalt)
  7. continental crust-crust that forms the continents. (granite)