Plate Tectonics R

Front

Scarlett, Ava, and Emma are on a field trip to the ocean. Their guide explains that the youngest material of the ocean floor is found at mid-ocean _________.

Back

ridges

Front

During a school project, Maya, Ava, and Mia discovered the presence of the same ________ on several continents. This discovery supports the idea of continental drift. What did they discover?

Back

both fossils and rocks

Front

During a geography class, Daniel, Ethan, and Rohan were discussing continental drift. They agreed that a lack of evidence for this phenomenon prevented many scientists from believing that a single supercontinent, which they referred to as _________, existed.

Back

Pangaea

Front

During a geography class, Anika, Charlotte, and David were discussing about the theory of _______. This theory states that Earth’s crust and upper mantle are broken into sections that are in constant, slow motion.

Back

plate tectonics

Front

During a geography class, Henry and Sophia were discussing about continental drift. Henry said that matching ________ on different continents are evidence for continental drift. What did Henry refer to?

Back

rock structures

Front

During a science experiment, Michael, Zoe, and Kai observed that when they heated a plastic-like substance, it was forced upward, cooled, and then sank back down. They realized this process is similar to a(n) _________ in the Earth's mantle.

Back

convection current

Front

Which is the thinnest layer of Earth if we compare it to the layers of an onion?

Back

crust

Front

Charlotte and Ethan are on a field trip to the Himalayas. Their guide explains that the Himalayas, a type of _______ are formed when two continental plates collide. What did the guide refer to?

Back

Mountain ranges

Front

Who first proposed the theory of continental drift? Options: Thomas Edison, Alfred Wegener, Benjamin Franklin, Harry Hess.

Back

Alfred Wegener

Front

Which of the following was NOT a reason scientists refused to listen to Wegener’s ideas?
1. Wegener didn’t have evidence to back his ideas
2. The scientists were just plain mean
3. Most geologists at the time thought it was impossible for continents to move

Back

The scientists were just plain mean