Reactants and Products

8th GradeScience60 min

Learning Objective

I can identify the reactants and products in a chemical reaction.

Lesson Flow

Watch Video

5 min

Chemical reactions | Middle school chemistry | Khan Academy

Khan Academy

Guided Notes

12 min

Key concepts students will learn:

  • In a chemical reaction, new substances are created due to the rearrangement of atoms.

  • The substances present before a chemical reaction are called reactants, while the substances produced after the reaction are called products.

  • During a chemical reaction, the mass of the reactants and the mass of the products are the same because atoms are only being rearranged, not created or destroyed.

Practice

18 min

12 questions • Multiple choice & Short answer & True/false & Fill in the blank

Exit Ticket

5 min

Identify the reactants and products in the following chemical reaction: Hydrogen and oxygen combine to form water (H₂O).

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts