Earth and Space Science Semester 2 FINAL

Currently we are in which ERA of the geologic timeline?

• cenozoic
• mesozoic
• paleozoic

The soft, semi molten, part of the Earth's inside is called the

• inner core
• mantle
• crust

When two plates are moving toward each other what type of boundary forms?

• transform-fault
• divergent
• convergent

Rocks that form from erosion and deposition of already formed rocks are called

• metamorphic
• igneous
• sedimentary

A "half-life" can be used to date minerals and fossils because

• radio-active isotopes decay in a specific amount of time
• all minerals have the same half-life
• only organic material has a half-life

The most common igneous rock found on continents is

• basalt
• granite
• rhyolite

When a rock comes into contact with magma and changes its crystalline structure this is called

• erosion
• contact metamorphism
• regional metamorphism

The warm water current that brings water from the equator to the North Atlantic, warming Europe's climate is called

• The Benguela Current
• The Canary Current
• The Gulf Stream

The hardest mineral, according to Moh's hardness scale is

• corundum
• gypsum
• diamond

When a metamorphic rock has a banded appearance it is called

• foliated
• non-foliated
• extrusive