Sci10 Q1-LT1 Review

During convection, the _____ fluid rises, and the _____ fluid sinks

• hotter ; colder

• colder ; hotter

The asthenosphere is a weak layer found in the outer core where rocks become semi-molten due to low temperatures.

• True

• False

The Philippines lies on the _________________.

• Philippine Plate

• Philippine Sea Plate

• Philippine Mobile Plate

• Philippine Continental Plate

The Continental Drift Hypothesis states that continental landmasses were “drifting” across the Earth, but they are NOT plowing through oceans and into each other.

• True

• False

The Scotia Plate is a major plate found in North America.

• True

• False

Earthquake epicenters are much more common at ocean ridges and beside trenches, just as volcanoes are.

• True

• False

Plate movements are caused by earthquakes.

• True

• False

These are deep scratches in rocks made as the glaciers moved across the land

• sediments

• coal seams

• fossils

• grooves

The heat that fuels mantle convection originates from the Earth’s _________.

• mantle

• core

• crust

• Sun

It is the path along the largest ocean in the world that is characterized by active volcanoes and frequent earthquakes.

• Pacific Ring of Fire

• Bermuda Triangle

• Pacific Circle

• Mariana Trench