STAAR Science 8 - Cat 3 Practice

What is the elevation of point B?

• 800 ft

• 850 ft

• 900 ft

• 1000 ft

• 6 miles

In which direction is Mill River flowing?

• Southeast

• Southwest

• Northeast

• Northwest

• West

What landform best describes the area at the end of the arrow?

• volcano

• mountain

• cliff

• river

• plateau

The satellite photo shows San Francisco, California, which has many miles of coastline and an inland bay. Which area of the coastline has most likely experienced the greatest effect of erosion from waves over hundreds of years?

• Area N

• Area P

• Area S

• Area T

Which of the following is NOT evidence to support the Theory of Continental Drift?

• fresh water reptile fossils found on salt water coastlines

• mountain rock layers the same on multiple continents

• evidence of glaciers in tropical areas

• sand erosion found along coastal areas

• puzzle-like fit of the continents

The presence of the same ________ on several continents supports the idea of continental drift.

• plants

• animals

• fossils and rocks

• lakes

• rivers and streams

Which of the following was the main reason many scientists refused to believe Wegener’s Theory of Continental Drift?

• he didn’t have evidence to back his ideas

• they were just plain mean

• most geologists at the time thought it was impossible for continents to move

• he was a meteorologist

What is seafloor spreading?

• continental crust-continental crust banging into each other

• rift valleys closing their gaps

• one plate subducting under another plate making trenches

• convection currents in the mantle pull plates apart that are filled with magma making new rock & forming mid ocean ridges

The San Andreas Fault is a transform fault. The map shows a student's approximation of where the fault line crosses through the United States. Students were asked to make maps predicting which way land would most likely move over thousands of years. Which map best predicts the likely movement of land along the fault line over thousands of years.

• A

• B

• C

• D

The diagram shows a model of the movement of two tectonic plates. When the plates collide, one plate often moves below the other plate. The rising magma that can result from this type of plate movement may produce ...

• fossil layers.

• volcanic islands.

• deep-sea sediment.

• seafloor spreading.

• continental mountains.