ES-Aug 2016 Q21-30

The contour map below shows a lake and river system. The Birch and Elk Rivers carry an equal volume of water.
Compared to the Elk River, the Birch River can best be described as flowing

• faster, and in the same general compass direction
• faster, and in the opposite general compass direction
• slower, and in the same general compass direction
• slower, and in the opposite general compass direction

Which rock would be the best source of the mineral garnet?

• basalt 
• limestone
• schist
• slate

The topographic map below shows three drumlins located in New York State.
What was the direction of the advancing ice movement that created these drumlins, and what is the most likely arrangement of sediments in the drumlins?

• north to south ice movement, and unsorted sediments
• north to south ice movement, and sorted sediments
• south to north ice movement, and unsorted sediments
•  south to north ice movement, and sorted sediments

 The diagram below represents Earth as viewed from space. Letter A represents the approximate angle of tilt between Earth’s rotational axis and a line (XY) perpendicular to the plane of Earth’s orbit.
What is the value of the angle represented by letter A?

• 15.0° 
•  23.5° 
• 24.5°
• 30.0°

 What are the rock name and map symbol used to represent the sedimentary rock that has a grain size of 0.006 to 0.2 centimeters?

• rock name and map symbol 1
• rock name and map symbol 2
• rock name and map symbol 3
• rock name and map symbol 4

 The graph below shows ocean tide height in feet (ft) over a 44-hour period for a coastal location in the northeastern United States. The dots represent either high or low tides.
If the pattern shown continued, the next low tide occurred on Day 3 at approximately

• 12 midnight 
• 1:30 a.m.
• 1:00 p.m.
• 6:00 p.m

The cross sections below represent three bedrock outcrops found several kilometers apart
Which statement best explains why the volcanic ash layers are useful for correlating the relative ages of the bedrock in the three outcrops?

• The ash was deposited over a large area when a volcano erupted.
• There are no fossils found within the volcanic ash
•  The volcanic eruptions that produced the ash layer occurred over a long period of geologic time.
• The volcanic ash is found between many different layers of bedrock.

The diagram below represents the interiors of three planets in our solar system
Which inference best describes the interiors of the planets in our solar system?

• Both terrestrial and Jovian planets have layered interiors, with density decreasing toward the center.
•  Both terrestrial and Jovian planets have layered interiors, with density increasing toward the center.
•  Only terrestrial planets have layered interiors, with density decreasing toward the center.
• Only Jovian planets have layered interiors, with density increasing toward the center.

Which device provides evidence that Earth rotates on its axis?

• device 1
• device 2
• device 3
• device 4

 Which weather map symbol is used to represent violently rotating winds that have the appearance of a funnel-shaped cloud?

• symbol 1
• symbol 2
• symbol 3
• symbol 4