Students find out that forecasters watch changes in wind to help predict changes in the weather. Students make working models of wind vanes and anemometers to measure wind direction and wind speed, respectively.

Student Resources

• 7.1 Vocabulary
• 7.2 Making a Pinwheel
• 7.3 Comparing Wind Speed
• 7.4 Section 7 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 1, Unit D, page 16.