Nuclear Energy Flashcards
(45 cards)
What is radiation actually caused by?
Decay
What’s the recommended safe amount of Radon you can be around for a year?
500 rems
When 1 large atom splits into two smaller atoms it is called what kind of nuclear reaction?
Fission
Where can I find a real world example of the previous reaction? (Fission)
Nuclear Reactor
When two small atoms combine into 1 large atom it is called?
Fusion
Where can I find a real world example of the previous reaction?
Sun/Stars
What subatomic particle moves around in an atom during a nuclear reaction?
Neutrons
Why is this (neutron) particle able to move in the atom? Because it’s:
Neutral
What scientist discovered an element that can glow and win two noble peace prizes?
Marie Curie
The element the previous scientist discovered is called? (Marie)
Radium
Name the scientific device that shows the path of radioactive particles in a glass globe?
Cloud Chamber
What elements half life is used to measure how old the earth is?
Uranium
How many years old is the Earth?
4.5 billion
What device do we have in our homes that keeps us safe but has radiation in it?
Smoke detector
Rutherford shot radiation through what element to study radiation?
Gold
Most of the radiation went where? (Rutherford)
Straight through
The radiation that didn’t do what the previous answer did, did what? (Rutherford)
Bounced
The result of this experiment led Rutherford to believe that the majority of an atom is?
Empty
Rutherford also learned a second fact, he realized that atoms have?
Nucleus
What source do we receive radiation that comes from above us?
Sun/Stars
When the number of protons and electrons are the same, an atom is called?
Neutron
When the number of protons and electrons are NOT the same, an atom is called?
Ion
When the number of neutrons changes from the original amount, an atom is called?
Isotope
What is the scientific name for the radiation that comes through our ground and into our house?
Radon