CH. 4 LANDFORMS, WATER, and NATURAL RESOURCES

Earth's center where temperatures and pressures are high

• apple
• core
• lava
• ocean

The inner core is...

• solid
• soft
• black 
• loose

The outer core is mostly made of...

• sand
• water
• rocks
• iron and nickel

Zone that has most of Earth's mass

• mantle
• lithosphere
• biosphere
• mountains

Liquid rock within Earth

• magma
• lava
• fire
• glass

When liquid rock is spilled out onto the surface

• magma
• volcanoes
• lava
• flood

Vents that magma erupt from 

• volcanoes
• holes
• horns
• earth

Forces within the planet that create landforms
-Theory that state Earth's crust is divided into more than a dozen rigid, slow-moving plates

• plate tectonics
• plate technology
• ridges
• dirt

Plates slowly moving across the upper mantle 

• valley
• continental shelves
• plate tectonics
• continental drift

Places on Earth's surface where the crust stretches until it breaks

• ridges
• valleys
• rift valleys
• folds