More cards in this set

Card 6

Front

Gamma rays are --------------- -----

Back

Preview of the front of card 6

Card 7

Front

Gamma rays can be used to treat ------

Back

Preview of the front of card 7

Card 8

Front

----- --- ---- are good tracers

Back

Preview of the front of card 8

Card 9

Front

----- is used in smoke alarms

Back

Preview of the front of card 9

Card 10

Front

Background radioactivity includes the Earth's -----

Back

Preview of the front of card 10

Card 11

Front

51% of background radiation comes from ----- ---

Back

Preview of the front of card 11