Earth's Changing Surface

The surface along which the crust moves is called a Fractue.

• true

• false

Erosion is a natural process that causes rock to change, break down, and crumble.

• true

• false

A stress that squeezes is called tension.

• true

• false

Mid-ocean ridges are formed along lines where two plates diverge under the water.

• true

• false

As plants grow, their roots can break rock apart.

• true

• false

Which type of stress occurs at a transform plate boundary?

• compression

• tension

• shear

• No stress occurs.

Long streams of molten rock from volcanoes are called

• volcanic ash

• a caldera

• lava flows

• a seismic event

Where do volcanoes NOT usually form?

• convergent plate boundaries

• divergent plate boundaries

• over hotspots in the middle of plates

• transform plate boundaries

The result of plate movement can be seen at _______.

• abyssal plains

• ocean margins

• plate centers

• plate boundaries

What type of mountains are formed when molten rock erupts onto Earth's surface and hardens?

• uplifted mountains

• fold mountains

• volcanic mountains

• fault-block mountains