We are been bombarded with ionising radiation all the time! Alpha, beta and gamma! But where is it coming from. Learn all about “background radiation” with our video lesson https://youtu.be/Se5g6h_Lsg0 and then complete the worksheet! Radioactive cows, rocks and people! It comes complete with ANSWERS. Ideal for home schooling in these difficult times. Enjoy. Check out our other radioactivity resources too!