Unit 4: Toxins
- Week 26
- March 9: Lesson 70 – Physical versus Chemical Change
- March 10: Lesson 71 – Conservation of Mass
- March 11-12: Lesson 72 – Balancing Chemical Equations
- March 13: No School (Non-Student Day)
- Weeks 27-29
- Spring Break (April 6-10)
- Week 30 (April 13-17): Chemical Reactions
- Week 31 (April 20-24): Toxicity
- Week 32 (April 27-May 1): Mass-Mole Conversions
- Week 33 (May 4-8): Stoichiometry
- Weeks 34-35 (May 11-22): How Much is Too Much?
- Week 36 (May 26-29): Solution Concentration
- Week 37 (June 1-5): Acids and Bases
- Week 38 (June 8-12): Light and Color
- Week 39 (June 15-19): Wrap-Up
End of 4th Quarter / End of 2019-20 School Year