Filter by
Subjects
Subject categories
- (-) All subject categories (190)
- Maths (65)
- Number (25)
- Algebra (18)
- Geometry and measures (18)
- Angles worksheets and classroom activities (5)
- Calculation (4)
- Quadratics (4)
- Trigonometry (4)
- Algebraic skills (3)
- Fractions (3)
- Fractions, decimals and percentages (3)
- Percentages (3)
- Transformations (3)
- Types of number (3)
- Indices and standard form (2)
- Inequalities (2)
- Linear equations (2)
- Probability (2)
- Pythagoras' theorem (2)
- Ratio, proportion and rates of change (2)
- Sequences worksheets (2)
- Simultaneous equations (2)
- Statistics and probability (2)
- Straight line graphs (2)
- Accurate drawing (1)
- Area and perimeter (1)
- Circles (1)
- Proof (1)
- Proportion (1)
- Ratio (1)
- Rounding and estimation (1)
- Templates (1)
- Volume and surface area (1)
Key stage
Particle theory
Browse our presentations, worksheets, games and quizzes for teaching and revising particle theory at KS3, including the particle model, the three states of matter, changes of state, the process of diffusion, gas pressure and pressure in liquids.