Plates

What are tectonic plates?

• Floating islands in the ocean

• Large land masses on Earth's surface

• Pieces of Earth's crust that move and interact with each other

• Mountains formed by volcanic activity

What causes earthquakes and volcanoes?

• Tectonic plates pulling away from each other

• Tectonic plates bumping into each other

• Tectonic plates disappearing

• Tectonic plates forming new ocean floor

Where are oceanic plates typically located?

• Over land

• Underneath continental plates

• In the ocean

• At the Earth's core

What type of plates are heavier and made of basalt?

• Continental plates

• Oceanic plates

• Granite plates

• Farallon plates

What happens when oceanic plates subduct under continental plates?

• Mountains are formed

• New ocean floor is created

• Earthquakes occur

• Tsunami waves are generated