The Best Crossword Puzzle Maker Online
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Continental Drift and Earth's Age

Across
Radioactive Isotopes.
Carbon 14 changes into Carbon 12.
Causes Magma to move.
Rocks on the bottom.
Caused by moving Magma
Suggested Continental Drift.
1/2 the element changes into a new element.
East coast of South America matches West coast of Afreica.
Magma on top the ground.
Down
Are found on the edges of Tectonic Plates mostly.
Rate of erosion.
Magma comes up under the ocean floor and makes new crust.
Causes Continental Drift
Large parts of the Earth's crust.
Tectonic Plates move suddenly.
Rocks on the bottom.
Melted rock in the center of the Earth.