‘Round ‘Round They Go Fusion Digital Lesson Unit 4 Lesson 1 Set up Paper for Cornell Notes How are days, years, and seasons related to how Earth moves in space? Define Rotation, and describe Earth’s rotation about an axis. Define Revolution and year. Describe the tilt of Earth’s axis, and how it affects the angle the sun’s rays strike it. Describe how rays affect temperature in a region. Explain how the tilt of Earth’s axis affects hours of daylight. Explain what causes seasons. Describe equinox and solstice. If Earth rotated on an axis that went across the equator instead of north and south, how would that affect daytime and nighttime in the United States? When we in the Northern Hemisphere are experiencing the longest days of the year (summer), what are days like in the Southern Hemisphere?