Lesson Plan: 2C.4.09

Hamble Lesson Observation Plan
Learning About
What happens to the number of particles during a chemical reaction?
Keywords:
  • Chemical reaction (2)
  • Atoms (1)
  • Mass (1)
  • Particles (1)
  • Conservation of mass (1)
Memory Anchor:
Method Precise Learning Objective Linked Question / Activity
(Designed for maximum working out)		 Stepping Stones Pitstop Check
(Thinking Map)
W There is no change of mass during chemical reactions as no particles are destroyed. This is known as the conservation of mass. What happens to the mass of particles in a chemical reaction?

Marble chips and hydrochloric acid in conical flask with balloon over neck.
T Chemical reactions result from the rearrangement of atoms What is a chemical reaction?

Learn the chant: - Molecules (Hands make fists) - Collide (Bag fists together twice, sticking together the second time) - Split (Spread fingers out) - Rearrange (Slide hands one in front of the other, then the other way round - Bond (interlock fingers) - Become a new substance (roll hands to 'present' new substance)
H SET HOMEWORK: Revise keyword meaning and concepts for POO.

Links To the Big Ideas
ForcesParticlesEnergyCells