7.4 CW 1

4. the amount of energy carried by sunlight over a given area
6. an imaginary line through Earth from the North Pole to the South Pole about which Earth rotates
7. an imaginary line around Earth halfway between the North and South Poles
10. an event that occurs when Earth moves between the sun and the moon, causing Earth’s shadow to fall on the moon
12. the distance north or south of the equator measured in degrees
13. a tide with the smallest difference between high and low tides that occurs when the sun and moon are at right angles
14. a period of the year caused by Earth’s tilted axis and its orbit around the sun
15. the path Earth follows as it revolves around the sun
16. a gravitationally bound system consisting of the sun and the objects that orbit it
18. an event that occurs when the moon moves between Earth and the sun, blocking sunlight
19. an eclipse in which only part of the light source is blocked

1. the highest water level reached during a tidal cycle
2. the curved path an object follows as it moves around another object in space
3. an event in which one object in space blocks the light from another
5. an eclipse in which the light source is completely blocked
8. a large object that orbits a star and does not produce its own light
9. the force of attraction between objects with mass
11. the regular rise and fall of ocean water caused mainly by the gravitational pull of the moon
12. the lowest water level reached during a tidal cycle
17. a tide with the greatest difference between high and low tides that occurs during new and full moons