Exploring Earth's Crust and Continental Drift

What is the theory of continental drift?

• The idea that the Earth's crust is composed of several large and small tectonic plates.

• The hypothesis that the continents are in constant motion on the surface of the Earth.

• The theory that the Earth's crust is gradually expanding.

• The belief that the continents have been stationary since the formation of Earth.

Who proposed the theory of continental drift?

• Isaac Newton

• Charles Darwin

• Alfred Wegener

• Marie Tharp

What evidence supports the theory of continental drift?

• The discovery of the same species of plants and animals on different continents.

• The changing phases of the Moon.

• The distribution of deserts across the Earth.

• The depth of the ocean trenches.

What are the large pieces of Earth's crust that move around called?

• Crustal fragments

• Earth blocks

• Tectonic plates

• Continental shelves

Which of the following is a result of the movement of tectonic plates?

• The formation of mountains

• The phases of the Moon

• The cycle of day and night

• The change in seasons