Across
- 2. system- All of our planets that revolve around our sun.
- 6. the only planet that contains living organisms
- 7. The repetition of an object in space that circles around another object
- 10. A complete rotation or turn like one full circle
- 12. the star in the middle of the solar system
- 15. Forces-the force that pulls two masses toward each other
- 16. the change in an object's position over time
Down
- 1. orbit- oval shaped path like a slightly elongated circle
- 3. strength or energy as an attribute of physical action or movement
- 4. tide- a tide just after a new or full moon, when there is the greatest difference between high and low water.
- 5. the force that pulls an object down
- 8. one of the four periods of the year (spring, summer, autumn, and winter
- 9. a group of related things or parts that work together
- 11. Tide- The rise and fall of sea levels by the gravitational force of the moon
- 13. Tide-A period of moderate tides when the sun and moon are at right angles to each other
- 14. The action of rotating around on the Axis