The relative age of a rock

Younger rock layers on top and older on the bottom best describes

Fossils that were widely distributed but only live during a short period of time are

The amount of time it takes for half of the radioactive atoms in a sample to decay is known as

If you start with 200 atoms, how many remain after 2 half-lives?

Intrusions are

Foot prints, burrows, and paw prints are an example of

If you ended up with 10 atoms after 3 half-lives, how many did you begin with?

If you started with 100 atoms and ended with 12.5 atoms, how many half-lives occured?

If you started with 500 atoms, how many do you have left after 1 half-life?

Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map