Percent Increase and Decrease Quiz
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Le Chatelier’s Principle Graphing Worksheet | Concentration & Rate vs Time |
Help your Year 12 Chemistry students truly understand equilibrium shifts — not just memorise them. This structured Le Chatelier’s Principle Graphing Worksheet guides students through concentration vs time and reaction rate vs time graphs using realistic ATAR-style equilibrium scenarios. Students apply Le Chatelier’s Principle to: Adding reactants (N₂ + 3H₂ ⇌ 2NH₃) Sudden volume decrease (2NO₂ ⇌ N₂O₄ syringe compression) Collision theory explanations Immediate vs long-term equilibrium chang
4th - 12th, Adult Education, Higher Education
Chemistry, Other (Science), Physics
Atomic Structure Assessment
I use this as a formative assessment after introducing atomic structure (components and sub-particles) of atoms, as well as ions and isotopes.
This is a 15-point assessment. Key included.
5th - 12th
Chemistry, General Science, Science
Year 9 Science Atoms Worksheet | Chemistry Questions & Answers | Revision
Year 9 Science – Atoms Worksheet, Questions and Answers for Chemistry Review & RevisionHelp your students master the fundamentals of atomic structure with this ready-to-use Year 9 Science resource. This atoms worksheet includes core questions with model answers, designed to support chemistry review, revision, and test preparation. ✅ Covers Key Chemistry Topics: What are atoms? Atomic building blocks Elements, molecules, and compounds Subatomic particles: protons, neutrons, electrons Ato
5th - 12th, Adult Education, Higher Education
Chemistry, General Science, Other (Science)
Evidence for Evolution Worksheet & Answer Key | Homologous v Analogous Structure
Make teaching evidence for evolution clear, engaging, and structured with this no-prep worksheet + answer key designed to build deep student understanding through scaffolded questions and higher-order thinking. This resource guides students through comparative anatomy, homologous vs analogous structures, embryology, and molecular evidence, helping them connect multiple lines of evidence to the big idea of evolution. Perfect for middle or high school science classes, this worksheet supports bo
5th - 12th, Adult Education, Higher Education
Chemistry, General Science, Other (Science)
Sound Waves & Properties – Year 9 Science Core Questions | Vibrations, Frequency
Engage your students with this complete set of Year 9 Science Core Questions on Sound! This resource provides clear, model answers for every key concept related to sound waves — perfect for self-quizzing, revision, or formative assessment. Students will learn not just what sound is, but how it travels, changes, and interacts with materials. ✨ What’s Included 20+ core questions covering: Sound production and vibrations Longitudinal vs transverse waves Speed of sound and mediums Reflection,
5th - 12th, Adult Education, Higher Education
Chemistry, Physical Science, Physics
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