Earth Physics

What is the correct order of the Earth's layers from the outermost to the innermost?

• Crust, mantle, core (outer and inner)

• Mantle, crust, core (inner and outer)

• Core (inner and outer), mantle, crust

• Crust, core (outer and inner), mantle

2. Which of the following are key pieces of evience supporting the theory of continental drift?

• Similar types of plants and animals found on different continents, matching rock types, and identical climates across continents.

• Matching fossils on different continents, similar rock types on continents that fit together, and the way continents appear to fit together like a puzzle.

• The discovery of underwater mountain ranges, matching climate conditions, and identical soil types on different continents.

• The existence of similar languages across continents, similar weather patterns, and matching landforms.

Which tectonic plates make up the Pacific Ring of Fire?

• Pacific Plate, South American Plate, African Plate, and Antarctic Plate

• Eurasian Plate, African Plate, Antarctic Plate, and Indian Plate

• South American Plate, Eurasian Plate, Arabian Plate, and Cocos Plate

• Pacific Plate, North American Plate, Eurasian Plate, and Indo-Australian Plate

What is the main difference between an earthquake of magnitude 1 and magnitude 2 on the Richter Scale?

• A magnitude 2 earthquake is twice as powerful as a magnitude 1 earthquake.

• A magnitude 2 earthquake is fifty times more powerful than a magnitude 1 earthquake.

• A magnitude 2 earthquake is ten times more powerful than a magnitude 1 earthquake.

• A magnitude 2 earthquake releases half the energy of a magnitude 1 earthquake.

How does the medium through which sound waves travel affect their speed and behavior? Provide examples to support your explanation.

What is the position of the Earth, Moon, and Sun during a total solar eclipse, and how does this alignment create the phenomenon?