Lesson Description:
Students will learn:
-the design process
-scientific method
-science of blade design
-how to collect, evaluate and present data

---

Sustainability Topic:

• Energy

---

Standards Addressed:
Students will learn:
-how energy is transferred in many ways.
-light interacts with matter by transmission (including refraction), absorption, or scattering (including reflection).
-electrical circuits provide a means of transferring electrical energy.
-identify appropriate problems for technological design.
-design a solution or product.
-implement a proposed design.
-evaluate completed technological designs or products.
-communicate the process of technological design.
-design and conduct scientific investigations.
-use technology and mathematics to improve investigations and communications.
-formulate and revise scientific explanations and models using logic and evidence.
-identify a problem or design an opportunity.
-propose designs and choose between alternative solutions.
-implement a proposed solution.
-evaluate the solution and its consequences.
-communicate the problem, process, and solution.

---

Materials Needed:
-some type of model turbine that can quickly interchange blades
-multimeters or voltage/current data loggers or multimeter box
-box fans
-rulers
-pictures of wind turbine blades
-scale model turbines (optional)
-powerpoint of wind turbines blades (optional)
-wind speed meter (optional)
-tachometer (optional)

---