English National Curriculum - Science
Mission Objectives
Describe the process of a chain reaction.
Explain the process of nuclear fission.
Explain the difference between spontaneous and induced fission.
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Words and meanings to learn
control rods
are rods that can be inserted into the reactor core to absorb neutrons and slow down or stop the fission chain reaction.
moderator
a material (like water or graphite) used in a nuclear reactor to slow down the fast-moving neutrons, making it easier for them to cause more fission in the fuel.
fission
when the nucleus of a large atom (like uranium) splits into two smaller nuclei, releasing energy.
chain reaction
is a process where each nuclear fission event releases neutrons that cause more fission events, creating a continuous cycle.
reactor core
is the part of a nuclear reactor where the fission happens. It contains the fuel rods (made of uranium), the moderator, and other materials that control the reaction.
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Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.
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