NGSS Performance Expectation:MS-ESS1-1 Develop and use a model of the Earth-sun-moon system to describe the cyclic patterns of lunar phases, eclipses of the sun and moon, and seasons.This interactive will allow students to begin to visualize what causes our seasons and what causes the time periods we experience such as days, and years. Students will look at Earth's orbital position, light angle, temperature, day length, and position of sun above the horizon to study and explain the seasonal vari