- Science
Mission Objectives
Use symbols to represent alpha and beta particles
Describe alpha and beta decay using equations
Explain why alpha and beta decay cause changes to the nucleus of atoms
Apply knowledge of radioactivity to explain why gamma emission does not lead to change in the nucleus mass and proton number
Words and meanings to learn
dangers
a cause of harm or injury
source
a body or process by which energy or a particular component enters a system
contamination
the action or state of making or being made impure by polluting or poisoning
irradiation
exposure to radiation
hazard
something with the potential to cause harm
Resources: Class presentation and handout.
Handout: Handout summarises the key learning points for writing equations for radioactive decay. Practice writing equations for radioactive decay and balancing. Knowledge retrieval questions on half-life to recap content.
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