What are gamma rays?, sound waves, electromagnetic waves, water waves, seismic waves, Which part of the electromagnetic spectrum has the highest energy?, Radio waves, microwaves, visible light, gamma rays, Gamma rays travel at the speed of.., sound, air, light, electricity, Which of these can naturally produce gamma rays?, supernova explosions, rain cloud, oceans, trees, Gamma rays have the _____ wavelength in the electromagnetic spectrum., longest, shortest, average, same as visible light, One important use of gamma rays is..., cooking food, cancer treatment, making electricity, producing sound, Are gamma rays visible to the human eye?, yes, no, only at night, only through glass, Why can gamma rays be dangerous?, they can damage cells, they make object float, they produce oxygen, they slow down light, Which has a higher frequency than visible light?, radio waves, microwaves, gamma rays, infrared waves, Gamma rays belong to which family of waves?, mechanical waves, electromagnetic waves, ocean waves, seismic waves

Табло

Визуален стил

Опции

Шаблон за превключване

Възстановяване на авто-записаната: ?