- Oceanic plates are more dense than continental plates.
- Mid-ocean ridges occur at ______________ plate boundaires.
- The plastic-like layer of Earth where convection currents exist is the?
- What is formed when continental plates converge?
- Which of these does not suggest that the continents were once connected buy are evidence to support plate tectonics?
- Current weather patterns support the theory of plate tectonics.
- Dips in Earth's surface near continental coasts caused by increased density of rocks are called?
- Who proposed the idea of seafloor spreading
- Fossils that match on both sides of the mid-ocean ridge is evidence for continental drift and seafloor spreading.
- Which of these occurs at transform boundries?
- Earth's plates move because they are slowly expanding and growing larger
- Earth's plates move because the weight of the oceans press on parts of Earth's surface.
- Seafloor spreading is evidence that supports Wegener's continental drift idea.
- What is formed when two continental plates diverge?
- Wegener's theory is NOT supported by the fact that the continents don't exactly fit with each other.
- Where would the seafloor have the greatest amount of sediments built up?
- Seafloor spreading was proved with evidence of matching magnetic polarities on both sides of the ridge.
- Tectonic plates move because the Earth's interior is
- Which words connects best with the word "drift" in geology
- Volcanoes hat form at mid-ocean ridges supports Wegener's continental drift idea.