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D - Science - Ch 9

Nuclear Energy

QuestionAnswer
What is the central core of an atom that contains the protons and neutrons? nucleus
What are the 2 type of nuclear reactions? fission and fusion
What do nuclear reactions convert matter into? energy
What is the formula developed by Albert Einstein? E=mc2
What does Albert Einstein's formula describe? the relationship between energy and matter
What is the splitting of an atom's nucleus into 2 smaller nuclei called? nuclear fission
In a controlled nuclear chain reaction, what can the energy released as heat be used to do what? generate electricity
How is electricity produced in a nuclear power plant? the heat released from the reactions is used to change water into steam, which then turns the blades of a turbine to generate electricity
Which part of a nuclear reactor contains the uranium? fuel rod
Which part of a nuclear reactor is where the nuclear fission occurs? reactor vessel
Which part of a nuclear reactor controls the reactions? control rod
Which part of a nuclear reactor changes hot water to steam? heat exchanger
What is the condition called when fuel rods in a nuclear power plant generates so much heat that they start to melt? meltdown
Why is it difficult to dispose of radioactive wastes produced by power plants? because they remain dangerous for thousands of years
What is the combining of two atomic nuclei to produce a single larger nucleus? nuclear fusion
In nuclear fusion, what is created when 2 hydrogen nuclei are combined? a helium nucleus
What happens to the lost mass when a helium nucleus is created? it is converted to energy
Created by: lprinke