Topic 7 Lesson 2 Earth’s Movements in Space

Target Language or Knowledge:

What is an imaginary line that goes through the center of an object, such as Earth? What is the spinning of Earth on its axis called? How long does it take for Earth to make one complete rotation? What causes the apparent movement of the sun across the sky? What is the term for a group of objects or events that repeat in the same order? Which part of Earth experiences day when it faces toward the sun? What happens when the Northern Hemisphere tilts toward the sun in June? What causes the change in seasons on Earth? What season occurs in the Southern Hemisphere when it's summer in the Northern Hemisphere? How does Earth's tilt affect the angle of the sun's rays it receives?

Axis Sun Moon Sky Rotation Revolution Day Axis 24 hours 1 hour 12 hours 365 days Rotation Gravity Pattern Revolution Pattern Cycle Day Season The side facing toward the sun The side with clouds The side facing away from the sun The equator Summer Winter Spring Fall Axis Revolution Rotation Pattern Summer Spring Fall Winter It spreads out the rays in winter. It has no effect. It makes the rays weaker. It changes the direction of the rays.