English National Curriculum - 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
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Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.
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In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket.
Handout questions on density
Mass balance, Glass beaker, Ice, Plastic cups
Exam questions
Expert film
Mission assignment film
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