Earth History Review

Person who studies rocks

• miner
• paleontologist
• geologist
• astronomer

Person who studies fossils

• Archaeologist
• Paleontologist
• Geologist
• Astronomer

What geologist went on an expedition to explore the Grand Canyon in 1869?

• Michael Smith
• Sarah Johnson
• David Brown
• John Wesley Powell

What river did John Wesley Powell travel down during his expedition?

• Mississippi River
• Colorado River
• Amazon River
• Nile River

How was the Grand Canyon formed?

• The Grand Canyon was formed by a meteor impact.
• The Grand Canyon was formed by volcanic activity.
• The Grand Canyon was formed by a man-made explosion.
• The Colorado River cutting through layers of rock over millions of years. (water erosion)

The process that breaks rocks into small pieces (sediment) is called what?

• weathering
• erosion
• fragmentation
• disintegration

The process of weathering is ________________________

• Rapid

• Quick

• Slow

• Fast

The transfer of weathered or broken down rock is called what?

• erosion
• sedimentation
• weathering
• deposition

What is erosion caused by?

• Volcanic eruptions, landslides, or tsunamis
• Chemical reactions, explosions, or earthquakes
• Fire, earthquakes, or lightning
• Water, wind, ice, or gravity

What is the process that deposits sediment, soil, and rocks onto land called?

• Weathering
• Erosion
• Deposition
• Condensation