
Atoms, Molecules, and Reactions
Grade 6 · Science · 45 min
What's Included
Learning Objective
I can build a model to show that the number of atoms stays the same during a chemical reaction, so mass is conserved.
Warm-Up Video
Unknown Channel · 5:00
Chemical and Physical Changes – Quiz Edition
Practice Questions
7 questions · Short answer
Exit Ticket
Quick comprehension check
“If you start with 2 atoms of hydrogen (H) and 1 atom of oxygen (O), and they react to form water (H₂O), how many atoms of hydrogen and oxygen are in the water molecule? In the reaction CH₄ + 2O₂ → CO₂ + 2H₂O, how many carbon (C) atoms are there on the left side of the equation (reactants)? How many carbon atoms are there on the right side of the equation (products)? ”
Complete Lesson Package
Get all 3 ready-to-use resources:
