WhenWe Crossword Puzzles

History OF Earth Crossword Puzzle

 Make a Crossword Puzzle   Make a Word Search from a Reading Assignment   Make a Word Search from a List of Words 
 All Crossword Puzzles
 Earth Sciences Crossword Puzzles
 Earth Sciences Word Search Puzzles
 Young Kids Crossword Puzzles
 Older Children Crossword Puzzles
 Teenage Crossword Puzzles
 Adult Crossword Puzzles
 Simple Crossword Puzzles
 Easy Crossword Puzzles
 Moderately Challenging Crossword Puzzles
 Hard Crossword Puzzles
 Very Difficult Crossword Puzzles
 Big Crossword Puzzles
send to a friend

History Of Earth



      1                      
    2                   3    
                      4      
5                            
                             
6                            
                             
  7   8                      
                             
                9            
  10                          
                             
                             
                             
                             
Across Down
2 Magma cools and hardens into a mass of igneous rock.
4 Solid mineral material.
5 Tells scientists the number of years ago a rock layer formed.
6 the time taken for the radioactivity of a specified isotope to fall to half its original value.
8 A rock is its age compared to the ages of other rocks.
10 Lava that hardens on the surface.
1 A gap in the geologic record.
3 Sometimes, forces inside earth rock layers so much that the layers are turned over completely.
7 Thickness of material.
9 A prehistoric organism preserved.
Answer
 
send to a friend
Make Your Own Crossword Free
Make Your Own Word Search Free