D - Science - Ch 9 Word Scramble
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Question | Answer |
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
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