Topic
UPCAT Earth Science questions with answers
10 UPCAT earth science practice questions, each with the correct answer and a worked explanation. Drill this single topic instead of a whole subtest.
- 41Which layer of the Earth consists mainly of liquid iron and nickel?
Answer: D. Outer coreScience - 42A boundary where two tectonic plates move apart, allowing magma to rise and form new crust, is called
Answer: A. a divergent boundaryScience - 43The seasons on Earth are caused primarily by
Answer: A. the tilt of the Earth's axis relative to its orbital planeScience - 44A rock formed by the cooling and solidification of magma is classified as
Answer: D. igneousScience - 45Which greenhouse gas is released in the greatest quantity by the burning of fossil fuels?
Answer: C. Carbon dioxideScience - 46The ozone layer that absorbs most incoming ultraviolet radiation is found in the
Answer: C. stratosphereScience - 47When the Earth lies between the Sun and the Moon, an observer on Earth sees
Answer: B. a full moonScience - 48Which instrument records the ground motion produced by an earthquake?
Answer: B. SeismographScience - 49The Philippines experiences frequent earthquakes and volcanic eruptions because it lies along the
Answer: D. Pacific Ring of FireScience - 50In the water cycle, the change of water vapor into liquid droplets that form clouds is called
Answer: D. condensationScience