After a rainstorm, a big pile of rocks block part of a mountain road. Which event most likely caused the rocks to move onto the road? (tsunami, blizzard, landslide, hurricane)

Where are the most active volcanoes located? (Hint: it's not the Pacific ocean or ring of fire; its called something else)

Which of the following is most likely to cause the biggest change to a land surface in the shortest amount of time? (lightning storm, a major earthquake, a gust of a wind, rapidly flowing stream)

If a road is suddenly broken by a natural event, which of the following natural events most likely caused the crack in the road? (wind, lava flow from a volcano, earthquake, an avalanche down a mountain)

Read this statement "Over time, an island was formed in an ocean." Which of the following most likely caused the formation of this island? (wave erosion, sand deposits, wind movement, volcanic eruptions)

Earthquake vibrations are detected, measured, and recorded by instruments called___. (sonargraphs, Richter scales, seismographs, magnetometers)

The Richter scale measures which of the following earthquake characteristics? (intensity, magnitude, frequency, probability) Hint: think about how we measure earthquakes