AQA Trilogy GCSE Science Science
Mission Objectives
Explain the properties of solids, liquids and gases based on their particle arrangement
Explain why gases are less dense than solids and liquids
Explain why when a substance changes state, mass is conserved
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Words and meanings to learn
solid
a state of matter where the particles are closely packed together in a fixed arrangement; the particles vibrate
liquid
a state of matter where the particles are closely packed and randomly arranged; particles move freely around each other
particle
a small unit of matter, such as an atom or molecule, that makes up a substance
gas
a state of matter where the particles are far apart and move freely in all directions
density
the mass of a substance per unit volume; it indicates how much matter is packed into a given space
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
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.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!
Handout questions on density
Mass balance, Glass beaker, Ice, Plastic cups
Exam questions
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