Each group needs:

• (optional) laptop/tablet with internet access (for research)
• 1 Informational Sheets packet
• 1 bottle of water (17 fl. oz or smaller)
• 100 mL graduated cylinder (to measure water, vinegar, and alcohol)
• 100 mL vinegar
• 100 mL isopropyl alcohol (60-70%)
• 2 100 mL plastic bottles with caps
• 1 teaspoon
• 10 tsp baking soda (sodium bicarbonate)
• 10 tsp citric acid
• 2 small paper envelopes or bags (similar to this product: https://www.amazon.com/ESSENTIAL-Envelopes-Gummed-Envelope-Office/dp/B09X194G5G)
• 4-6 250 mL plastic cups or beakers (for mixing mixtures)
• 1 glass stir stick or metal spoon (reusable option) or 3-5 wooden stir sticks (disposable option)
• 1 mL of an essential oil (e.g., orange, lemongrass, rosemary, lavender)
• 1 Eppendorf vial (similar to this product: https://www.amazon.com/Microcentrifuge-Sterilized-Plastic-Storage-Without/dp/B0BBV68SZT)
• paper towels
• 1 white plastic plate (reusable option) or 3-5 white paper plates (disposable option)
• 1 spray bottle (clean and empty)
• 2 adhesive labels

Each student needs:

• 1 Activity Worksheet
• 1 lab coat/apron
• 1 pair of safety glasses (goggles)
• 1 pair of latex-free disposable gloves

For the class to share:

• 1 laptop/tablet with projector to show the Make It Clean Presentation
• 1 bottle of ketchup (or another safe stain substance)
• various colored markers