Earth's Changing Face

Which of the following are  examples of landforms?

• mountains and canyons
• cliffs and sand dunes
• volcanoes and deltas
• all of these

Which is not a layer of the "physical" Earth...

• mantle
• atmosphere
• core
• crust

Weather is the only force that changes landforms.

• True
• False

Why do the plates on Earth's surface move?

• magma sinks and rises, making the crust move
• meteors hit the surface causing the mantle to shake
• the spinning of the planet causes vibrations
• hot metals in the core act like magnets pulling the plates around

When two continental plates collide, the land can be pushed up to form mountains.

• True
• False

The changing of landforms only happens very slowly, often over millions of years.

• True
• False

What type of rock would most likely be found where there used to be a lake?

• sedimentary
• igneous
• metamorphic
• none of these

___________________ rock means FIRE (ignite) and is formed from melted rock either from magma below Earth's crust or from lava above it

• sedimentary
• igneous
• metamorphic
• magma

Which type of rock forms from extreme heat and pressure?

• Igneous
• Sedimentary
• Organic
• Metamorphic

A metamorphic rock changes into an igneous rock by what two processes?

• Melting and cooling
• Extreme heat and pressure
• Compaction and cementation
• Weathering and erosion