Front

Which layer of the Earth is composed of solid rock material?

Back

crust

Front

Earth's processes (melting, cooling, weathering, erosion, heat, pressure) change one kind of rock onto another. This is called

Back

the rock cycle

Front

Scientists believe the Earth formed about _____ years ago.

Back

5,000,000,000

Front

A scientist who studies rocks, the Earth's crust, to provide information about the history of the Earth.

Back

geologist

Front

What is another name for the Earth's crust?

Back

lithosphere

Front

The Earth's crust is broken into huge pieces, like a puzzle. What are these pieces of crust called?

Back

plates

Front

The Earth's pieces of crust are constantly moving. Which layer of the Earth are the crustal pieces moving on?

Back

mantle

Front

Examples of landforms?

Back

Volcanoes, deltas, mountains, canyons, peninsulas, islands

Front

Which layer of the Earth is made of molten rock material?

Back

mantle

Front

Which statement is true about Earth's plate movements?

Back

All of the above: earthquakes can happen, volcanoes can erupt, tsunamis can occur.