Scientific Method Green Cleaner Lab



In this Scientific Method Green Cleaner Lab, is designed to spark curiosity, critical thinking, and environmental awareness in your classroom.
With this hands-on lab, students become scientific investigators, embarking on a fascinating journey to compare the effectiveness of environmentally friendly (green) glass cleaners to conventional glass cleaners. This inquiry-based experiment puts students at the center of discovery as they apply the scientific method to answer a compelling question: How do these cleaners stack up when it comes to cleaning glass surfaces?
Whether you teach middle or high school students, this lab is adaptable to different grade levels, making it a versatile addition to your curriculum.
An answer key is included as well.
  • spray bottle of green glass cleaner A (¼ c white vinegar, ½ tsp liquid dish soap, 2 c water)
  • spray bottle of green glass cleaner B (¼  c white vinegar, ¼ c water, 1 tbsp cornstarch)
  • spray bottle of ammonia-based conventional glass cleaner
  • paper towels, newspapers, or clean cloths 
  • safe-to-test surfaces to be cleaned
  • materials to make the window dirty (lipstick, honey, etc.)
  • goggles and gloves



Grade Levels: 8th – 12th
Total Pages: 11
Teaching Duration: 60 Minutes


If you have any questions, please do not hesitate to ask.
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