Students learn that the Sun's uneven heating of Earth's surface causes changes in the weather. They observe a model of the water cycle, use a thermometer to measure air temperature, and learn weather symbols. Then they begin collecting daily weather data and recording it on a chart.

Student Resources

• 1.1 Vocabulary
• 1.2 Weather Symbols
• 1.3 Using a Thermometer
• 1.4 My Weather Chart
• 1.5 Section 1 Assessment

Learn by Reading

For additional content-area reading, check out the Houghton Mifflin Science eBook: Grade 5, Unit D, pages 8–9.