Weathering and Erosion

Particles in minerals form regular patterns called

crystals

The softest mineral can not scratch any others

Talc

Forces of Erosion

Gravity, glaciers/ice, water, wind

What is the biggest cause of erosion

Water

Strations

the markings left on rocks from abrasion by sediments.

Moraines

Sediments pushed to the side by glaciers.

What is the main form of erosion that made the badlands?

Glaciers/ice

Do minerals contain rocks?

no

Do extrusive in intrusive have larger crystals?

Intrusive

What is coal and example of (evidence)

Evidence of climate

What is an ocean trench formed by?

Convergent boundary

What is an ocean ridge formed by?

Divergent boundry

What do divergent boundary cause?

Volcanoes, sea floor speeding, mountain formation.

Convergent boundary cause earthquakes, T or F

True