Across
- 2. EXACT AGE
- 4. A SAMPLE OF ROCK THAT SHOWS THE LAYERS AND FOSSILS
- 7. THE RULE/LAW OF _____ THAT SAYS THE ROCKS INSIDE OTHER ROCK IS OLDER THAN THE OTHER ROCK
- 8. THE ORDER SOMETHING HAPPENS
- 9. FOSSIL THAT IS SHORT LIVED AND WIDE-SPREAD
- 10. THE RULE/LAW OF _____ THAT SAYS THE CUTS ARE YOUNGER THAN WHAT IT CUTS THROUGH
Down
- 1. THE AMOUNT OF TIME HALF AN ISOTOPE TAKES TO DECAY
- 3. THE RULE/LAW OF _____THAT SAYS OLDEST ON BOTTOM YOUNGEST ON TOP
- 5. RADIOCTIVE SUBSTANCE USED FOR ABSOLUTE DATING
- 6. REMAINS OF ANCIENT CREATURES/PLANTS