Georgia S4E2.c
The Standard
Construct an explanation of how the Earth's orbit, with its consistent tilt, affects seasonal changes.
Georgia Standards of Excellence for Science · Obtain, evaluate, and communicate information to model the effects of the position and motion of the Earth and the moon in relation to the sun as observed from the Earth.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students use a model to track Earth’s tilted axis as Earth moves around the Sun. They explain how sunlight angle and day length produce seasonal changes.
What Mastery Looks Like
- Students can identify when a hemisphere is tilted toward or away from the Sun. They connect higher-angle sunlight and longer days with summer, and lower-angle sunlight and shorter days with winter.
Common Misconceptions
- Students may think seasons happen because Earth moves closer to or farther from the Sun. They may think Earth’s tilt changes during the year. Some confuse Earth’s daily rotation with its yearly orbit.
How to Assess It
- Give students a diagram showing Earth at two opposite points in its orbit. Ask them to name the season in one hemisphere and explain using tilt, sunlight angle, and day length.
Lesson moves
Ways to Teach It
Shine a lamp on a tilted globe, then move the globe around the lamp while keeping its axis pointed in one direction.
Write a claim explaining why Georgia has warmer summers and cooler winters, using sunlight angle and hours of daylight as evidence.
Sort season cards by hemisphere, axis position, sunlight angle, and day length, then check each set with an orbit diagram.
Use local sunrise and sunset tables to calculate monthly daylight hours and connect the pattern to changes across the seasons.
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Printable S4E2.c Worksheet
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Related Standards
- S4E2.a
Develop a model to support an explanation of why the length of day and night change throughout the year.
- S4E2
Obtain, evaluate, and communicate information to model the effects of the position and motion of the Earth and the moon in relation to the sun as observed from ...
- S6E2.b
Construct an explanation of the cause of solar and lunar eclipses.
- S6E2.c
Analyze and interpret data to relate the tilt of the Earth to the distribution of sunlight throughout the year and its effect on seasons.
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