More cards in this set

Card 16

Front

Young rocks have a ... uranium to lead ratio.

Back

Preview of the front of card 16

Card 17

Front

Very Old rocks have a ... uranium to lead ratio.

Back

Preview of the front of card 17

Card 18

Front

Explain how measurements of the activity of radioactive carbon can lead to an approximate age for different materials.

Back

Preview of the front of card 18