Objective

By the end of this lesson, you will learn how hand dryers work and their benefits compared to paper towels.

Materials and Prep

• Computer with internet access
• Paper and pencil for notes
• Curiosity and enthusiasm!

Activities

• Research Time: Use the computer to research different types of hand dryers and their features.
• Comparison Chart: Create a chart comparing the pros and cons of hand dryers versus paper towels.
• DIY Experiment: Conduct a simple experiment to compare the drying speed of a hand dryer and a paper towel.

Talking Points

• How do hand dryers work?
  "Hand dryers use high-speed air to blow water off your hands, leaving them dry in a few seconds."
• Benefits of hand dryers:
  "Hand dryers are eco-friendly because they reduce paper waste and are cost-effective in the long run."
• Comparison to paper towels:
  "Paper towels can be wasteful and harmful to the environment, while hand dryers are a more sustainable option."
• Types of hand dryers:
  "There are different types of hand dryers, such as jet air dryers and warm air dryers, each with its own benefits."
• Maintenance of hand dryers:
  "Regular cleaning and maintenance of hand dryers are important to ensure they work effectively and hygienically."