The continents were once joined together in a single landmass and have since drifted apart.
continental drift
The continents were joined together in a supercontinent, or single landmass, about 300 million years ago.
Pangaea
Any trace of an ancient organism that has been preserved in rock.
Fossil
Form long chains of mountains that rise up from the ocean floor.
Mid Ocean Ridge
Adds more crust to the ocean floor. At the same time, older strips of rock move outward from either side of the ridge.
Sea Floor Spreading
Part of the ocean sinks back into the mantle, in a process that takes millions of years.
Deep Ocean Trench
Plates move apart of diverge from each other.
Divergent Boundary
Plates come together or converge.
Convergent Boundary
Plates slip past each other.
Transform Boundary
The theory that Earth's plates are in slow, constant motion, driven by convection currents in the mantle.
Plate Tectonics
Breaks in the Earth's surface where crust have slipped past each other.
Faults
A deep valley forms when pieces of Earth's crust diverge on land.
Rift Valley
A force that acts on rock to change its shape or volume.
Stress
Occurs when two plates pull apart.
Tension
Occurs when two plates come together.
Compression
Occurs where two plates slip past each other.
Shearing
The faulta cuts through rock at an angle, so one rock sits over the fault, while the other block lies under the fault.
Normal Fault
Has the same structure as a normal fault, but the blocks move in the reverse direction.
Reverse Fault
The rocks on either side of the fault slip past each other sideways, with little up or down motion.
Strike Slip Fault
A large area of flat land elevated high above sea level.
Plateau

Preview of Crossword

Make this Crossword your own

Add, edit, delete clues, and customize this crossword. Print copies for an entire class. All in 5 minutes.

Icon crossword    Create my Crossword now    

Your customized Crossword will be in your hands in five minutes.

Related Puzzles

Plate Tectonics

23 terms
Created on Feb 11, 2016

Science Key Terms

20 terms
Created on Feb 11, 2016

plate tectonics

20 terms
Created on Feb 13, 2016

Review for chapter 1 plate tectonics

20 terms
Created on Feb 18, 2016

Chapter 1 Plate Tectonics

21 terms
Created on Feb 19, 2016

Drifting Continentals

31 terms
Created on Aug 22, 2016

Science Vocabulary Crossword

14 terms
Created on Sep 18, 2016

Vocabulary Crossword

14 terms
Created on Sep 20, 2016

PLATE TECTONICS

20 terms
Created on Sep 29, 2016

Plate Tectonics

20 terms
Created on Oct 9, 2016

Plate Tectonics

20 terms
Created on Oct 9, 2016

Plate Tectonics

20 terms
Created on Oct 18, 2016

Lesson 4,5, & 6 Vocab Crossword Project

17 terms
Created on Oct 25, 2016

Tectonic Plates Vocab

25 terms
Created on Oct 25, 2016

Plate Tectonics and Earth Interior

24 terms
Created on Dec 9, 2016

Plate Tectonics

14 terms
Created on Dec 14, 2016

tic tac toe crossword for science

15 terms
Created on Jan 18, 2017

Plate Tectonic Vocab- Earth Systems

20 terms
Created on Jan 27, 2017

Plate Tectonics

20 terms
Created on Feb 1, 2017

PLATE TECTONICS

20 terms
Created on Feb 7, 2017