Las sustancias radiactivas

The video explains radiation as energy traveling through space, differentiating it from radioactivity, which is the decay of unstable atomic nuclei. It covers types of radiation: alpha, beta, and gamma, their properties, and penetration capabilities. The video also highlights the importance of understanding radiation's potential risks and benefits, especially in medical applications.

Explain why alpha particles can be stopped by a sheet of paper.

Discuss the potential dangers of alpha radiation when it is inside the human body.