FLASHCARD 4: Science: Earth and Space (Section 2.1)

Front

During a science quiz, Luna answered that the most abundant element in the earth's crust is iron.

Back

oxygen

Front

The idea that the earth's crust consists of huge plates that slowly drift over the earth's surface is the theory of plate tectonics.

Back

true

Front

Aria noticed a formation where the rock layers buckled upward into an arch-like structure. She identified this as a syncline.

Back

anticline

Front

Deposits of sand, mineral fragments, and organic material on the ground are called sediments.

Back

true

Front

While hiking with Luna, you notice a layer of rock that has broken and shifted. Luna says the structure formed is a fold.

Back

fault