ES June 2014 6

The photograph shows the texture of a rock composed of various minerals as seen through a microscope. Which rock is most likely shown above?

• sandstone

• anthracite coal

• dunite

• schist

Which minerals contain the two most abundant elements by mass in Earth’s crust?

• fluorite and calcite

• magnetite and pyrite

• amphibole and quartz

• galena and sulfur

The photograph shows an outcrop where a light-colored, igneous rock is cross cut by a dark-colored, igneous rock. This fine-grained, dark-colored, igneous rock is most likely

• rhyolite

• diorite

• basalt

• gabbro

The diagram represents positions of Earth in its orbit around the Sun and twelve constellations that can be seen in the midnight sky by an observer in New York State at different times of the year. The approximate locations of the constellations in relation to Earth’s orbit are shown. Which date is correctly paired with two constellations that can be seen in the sky at midnight?

• May 21: Scorpius and Taurus

• August 21: Libra and Virgo

• November 21: Gemini and Capricorn

• February 21: Leo and Cancer

The cross section of the bedrock layers of a canyon is represented shown in the diagram. Letters A and B represent rock layers on the sides of the canyon. Layer A can best be correlated to layer B by comparing the...

• sediments on each side of the stream

• sequence of rock layers on each side of the canyon

• organisms currently living in rock layers A and B

• rate of erosion of rock layers A and B by the stream