999 West Dundee Road
Wheeling, Illinois 60090

Phone: 847-537-8270

Superintendent: Dr. Michael Connolly

School Board & Administration



CCSD21 is a school district comprised of 13 schools across 6 different communities in the northwest suburbs of Chicago.



School District 21 prides itself on its Professional Learning Community and its rich tradition of professional collaboration, high levels of professional development, and family-like atmosphere. If you see the opportunity to work with colleagues in making a difference in the lives of students and families in a truly diverse setting, School District 21 seeks your application.

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First Grade

Earth Science

Power Standards
  • Use observations of the sun, moon and stars to describe patterns that can be predicted. (1-ESS1-1)
  • Make observations at different times of year to relate the amount of daylight to the time of year. (1-ESS1-2)

Critical Content

Concepts and Skills

* Power Standard Content

ESS1.A: The Universe and Its Stars

  • * Patterns of the motion of the sun, moon and stars in the sky can be observed, described, and predicted. (1-ESS1-1)

ESS1.B: Earth and the Solar System

  • Seasonal patterns of sunrise and sunset can be observed, described and predicted. (1-ESS1-2)

Critical Language (Science & Engineering Practices)

Language Usage

  • A student in first grade can demonstrate the ability to make observations to collect data that can be used to make comparisons.


Content-Specific Vocabulary

  • Motion
  • Solar system
  • Sun
  • Rotation
  • Moon
  • Orbit
  • Day sky
  • Night sky
  • Stars
  • Axis


Process-Specific Vocabulary

  • Observation
  • Telescope
  • Measure
  • Collect/record data
  • Patterns
  • Comparisons
  • Prediction

Concept-Based Connections

Essential Understandings

  • Predictable patterns occur in the solar system.


Factual Guiding Questions

  • What parts of the solar system can we observe? (Sun, Planets, Moon, etc.)
  • How would you describe the sun, moon, and Earth?
  • How do the Earth and sun interact to create day/night? (Earth’s rotation)
  • What circular motion creates a year on Earth? (Earth’s orbit)
  • What seasonal patterns are created by the Earth’s orbit?
  • What motion creates the moon’s phases? (Moon’s orbit & Earth’s orbit)


Conceptual Guiding Questions

  • What would happen if an unpredicted change occurred in the solar system?
  • What is the greatest impact of the changes in the solar system?


Engaging/Debatable Guiding Questions

  • Could we survive on another planet?