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Day/Night

Day/Night

TEKS Objective

The student is expected to identify characteristics of the seasons of the year and day and night.


Essential Understanding

The student knows that the natural world includes the air around us and objects in the sky.

Science Background

What Causes Day and Night? Universe Today (website) - Information about the causes and variations of the day and night cycle.

What Causes Day and Night?
by John Carl, Universe Today, www.universetoday.com

Why is Earth Rotating? NASA (website) - Earth’s 24-hour rotation is one trait that makes our planet so friendly to life. Learn more about Earth’s rotation and other topics by listening to the audio clips.

Why is Earth Rotating?
NASA Space Place, spaceplace.nasa.gov

Signature Lesson

What Makes Day and Night? Eye on the Sky (website) - A kinesthetic modeling of day and night enables students to identify characteristics of the day/night cycle and experience Earth’s spin.

What Makes Day and Night?
Eye on the Sky, www.eyeonthesky.org

Supporting Lessons

Sunrise, Sunset, Apparent Motion of the Sun: NASA, StarChild (website) - Students learn the Sun is the source of Earth’s light and heat energy, observe and describe changes in the Sun's altitude and position, and understand that day and night are determined by our view of the Sun.

Sunrise, Sunset, Apparent Motion of the Sun
NASA, StarChild, starchild.gsfc.nasa.gov

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