A Technological Application of Physics (Junior Cert Science): Flashcards
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Practise the cards
10 cards from this deck
Definition of technology
Definition of technology
Using scientific knowledge to solve practical problems
Who discovered radioactivity in ?
Who discovered radioactivity in ?
Henri Becquerel
Define nuclear fission
Define nuclear fission
Splitting large nucleus into 2 smaller nuclei + energy release
Who discovered nuclear fission in ?
Who discovered nuclear fission in ?
Hahn, Meitner, Strassmann
What is a chain reaction in fission?
What is a chain reaction in fission?
Neutrons from fission cause more fission of nearby nuclei
Manhattan Project ()
Manhattan Project ()
USA project to build first atomic bomb
Cities bombed in August
Cities bombed in August
Hiroshima and Nagasaki
Is nuclear fission renewable?
Is nuclear fission renewable?
No, uranium will eventually run out
Nuclear fission & greenhouse gases
Nuclear fission & greenhouse gases
Does not produce CO2 or greenhouse gases
Nuclear waste problem
Nuclear waste problem
Toxic, remains dangerous for thousands of years