U 2: L 3 : Radioactivity and nuclear energy science 3 prep 2nd term 1 U 2: L 3 : Radioactivity and nuclear energy science 3 prep 2nd term U 2: L 3 : Radioactivity and nuclear energy science 3 prep 2nd term 1 / 21 put true or false :Killing cancer cells is from the uses of nuclear energy in the medical field true false 2 / 21 put true or false :The Chernobyl accident resulted in the pollution of food products by stable elements true false 3 / 21 put true or false :The radioactive elements are unstable due to its excess energy true false 4 / 21 put true or false :The radioactive phenomenon was discovered by the scientist Ohm true false 5 / 21 put true or false :We can generate electricity by using nuclear energy true false 6 / 21 choose:.......... is a non - radioactive element Uranium Zerconium Iron Radium 7 / 21 choose:.......... is a radioactive element Uranium Lead Copper Iron 8 / 21 choose:The ....................effects of radiation is a result of changing the sex chromosomes of the cells none of them cellular genetic physical 9 / 21 choose:The atom stores the energy in the ................ neutrons electrons nucleus no correct answer 10 / 21 choose:The radioactive phenomenon was discovered by the scientist ............. Ohm Becquerel Volt Ampere 11 / 21 Choose:The nuclear energy is peacefully used in the industrial field to convert sandto............... for manufacturing computer processors. a. electric energy b. silicon sheets c. nuclear fuel d. atomic bombs 12 / 21 Choose:Human beings should not be exposed to radiation in amounts more than ......... remin a day. a. 5 b.8 c. 10 d. not of all 13 / 21 Choose:.Radioactivity phenomenon was known by ................ a. Ohm. . c .Ampere b.. Becquerel d. Newton 14 / 21 Choose:.............. is a non-radioactive element. a. Radium b. Uranium c. Zirconium d. Iron 15 / 21 Choose:Isotopes have different number of ..................... protons neutrons electrons energy levels 16 / 21 Choose:The ................ effect of radiation causes the change in cell composition physical cellular genetic non of all 17 / 21 Choose:The radiation that comes out from the Uranium element is ……………. and has the ability to penetrate solids. visible unseen No correct answer both are correct 18 / 21 Choose:The source which the atom gets its tremendous energy is known as ………. heat energy electric energy Nuclear energy all 19 / 21 Choose:There is …………… force between the components of the nucleus. repulsion attraction both are correct no correct 20 / 21 Choose:Chernobyl accident produces the isotopes of ………….. radioactive element. Uranium cesium polonium all the previous 21 / 21 Put true or falseChernobyl accident produces the isotopes of uranium radioactive element. true false نتيجتك هي اظهر المزيد