Exploring Earth Science Concepts

Front

What was Alfred Wegener’s main idea in his theory of continental drift?

Back

Continents were once connected and moved apart over time

Front

Why didn’t many scientists accept Wegener’s theory at first?

Back

He couldn’t explain how the continents moved

Front

Which evidence best supports continental drift?

Back

Identical fossils found on separate continents

Front

If Antarctica has fossils of tropical plants, what does this imply?

Back

It was once located in a warmer region

Front

Which continents appear to “fit” together like puzzle pieces?

Back

South America and Africa

Front

When a hurricane (atmosphere) causes flooding (hydrosphere) that erodes soil (lithosphere), what’s happening?

Back

All spheres are interacting

Front

Which sphere includes underground water and water vapor?

Back

Hydrosphere

Front

When magma erupts from a volcano, which sphere is releasing material?

Back

Lithosphere

Front

Which sphere protects Earth from UV radiation?

Back

Atmosphere

Front

Correct order from solid land to gas layer in Earth’s systems?

Back

Lithosphere → Hydrosphere → Atmosphere