Lesson 3
Part 2

Catching the Wind: Designing Windmills

Testing Sail Designs (2) / Grade 2 / Framingham, MA

EiE - Catching the Wind: Designing Windmills, L3 Part 2

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The EIE Curriculum

Students predict, test, observe, and describe how sails made of different materials and shapes catch the wind. 

Reflection Questions

What types of questions does Pat ask at the testing station, particularly when sails don't work?

Pat asks questions that lead students to ideas they could apply when they are improving their sails. Rather than leaving the testing station feeling dejected, students leave with a plan for what they'll try next.

  • Pat asks, "What do you think you could do to make this sail catch the wind?" The student decides he needs to change the shape of the sail. (6:30)
  • Pat talks with all the students in line about the plastic bag sail and asks why it gets stuck. Other students point out that the sail is low and big. The sail designer decides to make her design smaller. (7:10)

What are the main ideas that Pat guides students to focus on during the Reflection portion of the lesson?

Pat guides students to share what materials and shapes worked well, and encourages students to use the same properties in their windmill blades.

  • A student says his design is made from paper. Pat guides him to share that it is actually made of index cards and he used that because it's stronger than copy paper. (10:35)
  • Pat points out that they need to think about all the information they gained today in order to make their blade designs. (11:05)