Who was the scientist who introduced the concept of moving continents and the former supercontinent called Pangea?

What are rocks or chunks of metal ranging in size from a foot to several miles wide that orbit the Sun called?

What is the layer of the mantle where the Earth's plate floats on its molten rock called?

What is an astronomical measurement based on the distance of the Earth from the Sun called?

What are events that quickly destroy habitats and pose a threat to humans called?

What is weathering caused by chemical reactions that cause chemical changes in the minerals that make up rocks called?

What are icy objects in space that orbit the sun called?

What is a program designed to predict the consequences of a set of actions called?

What are processes that contribute to the formation or reshaping of landforms called?

What is the part of the crust that makes up the land and is thicker but lighter called?

What is the theory that continents move, join, and break apart called?

What are currents that form deep in the Earth's interior and bring heated material upwards while pulling cooler material down called?

What are plate boundaries where two plates push together, causing one of the plates to sink into the mantle, called?

What is the center of the Earth called?

What is the hole in the top of a volcano called?

What is the thin, solid, outermost layer of the Earth where we live called?

What is the physical process of turning a liquid into a solid called?

What is the folding and fault lines created by the compression or stretching of rocks called?

What are landforms created by the material deposited by rivers called?

What is the depositing of eroded soil called?

What are processes responsible for tearing landforms down or changing their structures called?

What are plate boundaries that occur where two plates move apart from each other called?

What is the wind erosion created by poor farming practices in the Midwest in the 1920s called?

What is our home planet called?

What is the longest division in the geological time scale covering billions of years called?

What is the term for the divisions of geological eras that last three million years or longer?

What is the term for a period of geological time lasting millions of years; divisions of geologic time that last hundreds of millions of years?

What is the movement of weathered rock called?

What are fractures in the Earth's surface that are caused by stress in the Earth's crust called?

What are fractures or breaks in the Earth's crust that often occur along plate boundaries called?

What are flat, low-lying areas next to rivers or oceans called?

What is the record of all fossils that have been found since the study of fossils began called?

What is a time scale for the history of the Earth called?

What is a calendar of Earth's history divided into different sections based on evidence found in rocks and fossils called?

What is the network that monitors earthquakes around the world called?

What are homes where organisms live called?

What is the time it takes for one half of the original, unstable atoms to decay called?

What are rocks formed from magma beneath the Earth's surface called?

What are fossils useful for relative dating because they represent organisms that lived over a widespread area but only for a relatively short period of time during geologic history called?

Which planets are considered the inner planets and are closest to the sun?

What is the age of the dinosaurs and the first birds from 199 to 145 MYA called?

What is magma on the surface of the earth called?

What is the rigid outer layer of Earth made of the crust and the upper mantle called?

What is a combination of liquid rock material and dissolved gases under the surface of the earth called?

What does malleable mean?

What is the second layer of the Earth's crust, made of hot, solid rock that can slowly flow, called?

What is the fourth planet and the one most like Earth?

What is rock that is hot and liquid enough to move like plastic; melted into liquid by heat called?

What does MYA stand for in the geological time scale?

What is the weathering of rock by wind, water, ice, or heat called?

What is the planet closest to the sun?

What are rocks changed by heat and pressure called?

What is an underwater mountain range formed when two plates move apart called?

What is weathering caused by living organisms called?

What is the part of the crust under the oceans; thinner but heavier called?

What is the study of fossils and prehistoric life called?

What is the 'age of fishes' from 541 million to about 252 MYA called?

What are divisions of geologic eras based on rock layers called?

What are locations where tectonic plates come together called?

What is the theory that Earth's lithosphere is broken into plates that move around called?

What is the term for 'the age of one object compared to the age of another object'?

What is the term for 'using relative age to date objects and strata; dating rock strata by layers for dating fossils by index fossils'?

What is the term for 'an arc of volcanoes that reaches from islands in the Pacific Ocean up through the Philippines and Japan and across the water to Alaska to California to South America'?

What is the term for 'size, distance, or another measurement in relationship to an actual thing'?

What is the term for 'a model drawn or made to the correct scaling factors'?

What is the term for 'divergent boundaries on the ocean floor that fill with magma which cools into new oceanic crust'?

What is the term for 'rocks formed from deposited and compressed sediments'?

What is the term for 'the process of minerals suspended in fluid being deposited in layers as a solid'?

What is the term for 'the study of earthquakes and seismic waves'?

What is the term for 'very fine grounded rock that can range in size from sand to dust'?

What is the term for 'rocks that put pressure on biomass to create fossil fuels'?

What is the term for 'a rock formation growing from the roof of a cave'?

What is the term for 'a rock formation growing from the floor of a cave'?

What is the term for 'layers of rock; rocks in layers'?

What is the term for 'the area where one plate at a convergent boundary sinks into the mantle'?

What is the term for 'where two plates slide past each other'?

What is the term for 'a sunken area created by the melting of one plate and the bending of the other at a subduction zone. A long, deep indentation in the ocean floor formed when two plates move together'?

What is the term for 'the time from 251 to 199 MYA when Pangea began to break up and life recovered from extinction at the end of the Paleozoic Era'?

What is the term for 'a wave with great potential destruction force caused by an earthquake'?

What is the term for 'the creation of mountains when tectonic plates collide'?

What is the term for 'an opening in the Earth's surface through which magma erupts'?

What is the term for 'a mountain made from magma that has emerged from inside the Earth'?

What is the term for 'when water carries eroded material'?

What is the term for 'breaking down rocks into smaller pieces'?

What is the term for 'erosion caused by wind carrying soil and rock fragments'?