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1. Alfred Wegener is a German scientist who hypothesized that the Earth was once made up of a single large landmass called Pangaea. Which of the following theories did Wegener propose?

A. Continental Drift TheoryB. Continental Shift TheoryC. Plate TectonicsD. Seafloor Spreading Theory

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2. From the seismogram, the distance to the epicenter can be determined by measuring

A. the arrival time of surface waveB. the difference in the arrival times of the P and S-wavesC. the ratio of the amplitude of the largest P and S-wavesD. the speed of the surface wave

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3. What do you expect to find at a mid-ocean ridge?

A. relatively young rocksB. reverse fault C. thick accumulation of sediments D. very ancient rocks

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4. In a hot spot, Volcano A is on top of the mantle plume, Volcano B is 10 km farther from A while Volcano C is the farthest. What can you infer about the ages of the volcanoes?

A. Volcano A is older than CB. Volcano B is the oldestC. Volcano B is the youngest D. Volcano B is younger than C

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5. In 1912, Alfred Wegener proposed a theory that the Earth is once a single landmass. What is the name of the Mesozoic supercontinent that consisted of all of the present continents?

A. EurasiaB. LaurasiaC. Pangaea D. Gondwanaland

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