It's Just a Bunch of Lines
What is the Pacific?
This is the number of major mass extinctions in Earth history prior to the evolution of humans
What is 5?
This is the name of Alfred Wegener's proposed supercontinent
What is Pangaea?
This is the gas that volcanoes release that is the primary culprit in much long-term climate change
What is carbon dioxide?
This scientist studied variations in some characteristics of the Earth to understand climate change during the Ice Ages
Who is Milankovitch?
Wherever there are volcanoes found in the world, there is also this phenomenon
What are earthquakes?
This is the probable cause of the extinction that killed the dinosaurs
What is a meteor impact?
This is the current trend in size of the Atlantic Ocean
What is growing or increasing?
This is one of the 5 states in the U.S. under the greatest current threat from a volcanic eruption
What is Alaska, Oregon, California, Washington, or Hawaii?
Long-term climate change can be caused by variations in Earth's __________ characteristics
What is orbital or rotational?
This is where you find the youngest ocean crust
What is mid-ocean ridges, or the middle of the ocean, or divergent boundaries?
The impact crater from the end Cretaceous extinction is found on the coast of this country
What is Mexico?
This process in the mantle causes the plates to move
What is convection?
Short term cooling after volcanic eruptions is a result of ash, dust, and this acid which forms in the atmosphere after eruptions
What is sulfuric acid?
This property of Earth is similar to the wobbling of a top and occurs over a 24,000 year period
What is precession?
This is the continent with the least volcanic activity
What is Australia?
The largest mass extinction, when the trilobites disappeared
What is the end Permian?
What is continent-continent convergent?
This is the type of magma that typically erupts at divergent boundaries
What is basaltic?
This is the month in which Earth is farthest from the sun
What is July?
This is the relationship between the depth of the ocean floor and the distance from the mid-ocean ridge
What is the farther from the ridge, the deeper the floor is?
This is the most common cause of mass extinctions
What is climate change, or volcanoes?
Hot spots like under the island of Hawaii are a result of this phenomenon occurring inside Earth
What is a mantle plume?
There are approximately this many active volcanoes worldwide
What is 1300?
This is the name of the station in Antarctica where the ice cores that are the basis of much climate research were collected
What is Vostok?