Curated OER
Don’t Cry Over Spoiled Milk!
Seventh graders explore how milk spoils over time. In this biology lesson, 7th graders discover how pH changes as microorganisms enter the food and multiply. They explain the benefits of pasteurization process.
Curated OER
Treatment Through Time
Seventh graders explore how disease prevention and treatment changed throughout history. In this life science lesson, 7th graders create a classroom exhibit about this topic. They present their project to visitors.