Home Science States of Matter — Three Mini Experiments Science States of Matter — Three Mini Experiments Three short hands-on investigations exploring melting, freezing and evaporation. Lesson Plan Grade 3 Members only Preview 📄 Open full PDF → Page count: 3. Print-ready PDF — letter / A4 friendly. Click image to see all pages. Learning objective Observe state changes and explain them in terms of heating and cooling. About this resource Subject: Science Type: Lesson Plan Grade levels: Grade 3 (ages 8-9, ≈ Year 4) Pages: 3 Date added: 2026-03-06 Credit: Qualified primary teacher Related topics STEM & Coding Part of these collections Curated bundles where this resource appears alongside related ones. Collection · 9 resources STEM Starter Pack Practical STEM resources that emphasize doing, not just reading. Great for science clubs, after-school programs, or Friday afternoons. You might also like Selected based on subject, grade, and type — with a free option always included. K Science 2nd 3rd Knowledge Organiser: Plants A single-page A4 knowledge organiser on plants for Y2-3 — parts of a plant, what plants need, life cycles, photosynthesis basics. Aligned with NC science. Fact File Free S Science 2nd 3rd 4th 5th 6th Solar System Poster All 8 planets in order from the Sun, with key facts about each. The science classroom standard. Display Poster Free S Science 3rd 4th 5th States of Matter — Knowledge Organiser (Y4) Single-page reference for KS2 states of matter — solids, liquids, gases, particles, changes of state, melting, evaporation. Aligns with Year 4 NC science. Free alternative to subscription-only competitors. Knowledge Organiser Free E Science 3rd 4th 5th 6th Electricity — Knowledge Organiser (Y4 & Y6) Single-page reference for KS2 electricity unit — circuits, conductors, insulators, switches, voltage, safety. Aligns with Year 4 and Year 6 NC science (electricity appears in both year groups). Knowledge Organiser Free F Science 2nd 3rd 4th 5th Forces and Magnets — Knowledge Organiser (Y3 & Y5) Single-page reference for KS2 forces and magnets unit — gravity, friction, push/pull, magnetism, magnetic poles. Covers Year 3 (forces and magnets) and Year 5 (forces in detail) NC requirements. Knowledge Organiser Free L Science 2nd 3rd 4th 5th 6th Light — Knowledge Organiser (Y3 & Y6) Single-page reference for KS2 light unit — sources, reflection, shadows, the eye, refraction. Aligns with Year 3 (light and shadows) and Year 6 (light travels in straight lines, reflection) NC science. Knowledge Organiser Free