Each group needs:

• whiteboards (one per pair of students in group of four)
• dry erase markers and erasers
• plant material for students to test (See Before the Activity below for suggestions)
• 15 m conical tube
• mortar and pestle
• 400 ml beaker with 200 ml of water
• funnel
• filter papers
• hot plate
• 10 ml of 0.1 M AgNO₃ (silver nitrate) from teacher’s stock solution; extract with a pipette
• scale
• gloves
• goggles
• razor blade
• internet access via laptop or cellular device
• Engineering Silver Nanoparticles Student Worksheet

Teacher materials to make 0.1 M silver nitrate:

• scale
• weigh boat or weigh paper
• scoopula
• 250 ml brown bottle with lid
• distilled water
• label tape
• gloves
• goggles

To share with the entire class:

• Engineering Silver Nanoparticles PowerPoint Presentation
• 200 ml of 0.1 M of AgNO₃ stock solution
• gallon Ziploc bags with plant materials