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# Seasons

## The seasons are the result of Earth's axial tilt; describes solstices and equinoxes.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Seasons

Describes how and why seasons occur.

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• Simulation

## Seasons Interactive

This simulation looks at how the tilt (inclination angle in the simulation) affect the average daily temperature, the sunlight angle, and the length of day. Explore all the tabs to get the most out of this simulation.

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• PLIX

## Seasons

Seasons Interactive

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• Practice
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## Seasons Quiz

Quiz on Seasons

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• Critical Thinking

## Seasons Discussion Questions

A list of student-submitted discussion questions for Seasons.

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To emphasize students’ understanding of key words and practice applying the definitions of the vocabulary words to examples and drawings using the Frayer Model.

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To stress understanding of a concept by summarizing the main idea and applying that understanding to create visual aids and generate questions and comments using a Concept Matrix.

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• Real World Application

## Shine On, Harvest Moon

Explains that the full moon that rises closest to the autumnal equinox is called the Harvest Moon. That September moon appears extremely large and red, and once lit the night sky for farmers during their busiest harvest season.

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• Real World Application

Students will explore the effect that seasons have on shadows through analysis of images and a lab.

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• Real World Application

## A Kid's Worst Nightmare

Describes why world record giant vegetables are grown in Alaska, the land of the midnight sun.

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• Study Guide

## Seasons Study Guide

This study guide summarizes the key points of Seasons. You can download and customize it to suit your needs and study habits.

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## Seasons and Ecliptic Simulator

An interactive simulator demonstrating the relationship between seasons and Earth's orbit through several perspectives.

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• Flashcards