Integrated Science 10: Plate Tectonics & Earthquake Preparedness

These flashcards cover key concepts related to plate tectonics and earthquake preparedness, key theories, types of boundaries, and safety measures.

What is the Continental Drift Theory and who proposed it?

A theory that suggests continents have moved over geological time, proposed by Alfred Wegener.

What are the three types of plate boundaries?

Divergent, Convergent, and Transform boundaries.

Define Divergent Boundaries.

Boundaries between two plates that move apart, creating gaps filled by rising magma.

What occurs at Convergent Boundaries?

Plates collide; denser oceanic plates may subduct beneath lighter continental plates, forming trenches and volcanoes.

What is the effect of Transform Boundaries?

Plates slide horizontally past each other, often resulting in earthquakes.

What is the definition of hypocenter in an earthquake context?

The point within the Earth where the earthquake rupture starts.

What is the definition of epicenter?

The point on the Earth's surface directly above the earthquake focus.

What are seismic waves?

Waves that transmit the energy released by an earthquake.

What is the importance of understanding aftershocks?

Aftershocks are smaller tremors following a major earthquake and can pose additional risks.

What is included in an emergency supply kit for earthquakes?

First aid kit, water, food, flashlight, batteries, and emergency contact information.