Across
- 2. the amount of matter an object contains
- 4. resistance of an object to any change in its motion
- 10. a push or pull that changes the state of rest
- 12. a well-substantiated explanation of an aspect of the natural world
- 13. how fast an object moves in a specific direction
- 14. mass with the force of gravity acting upon it
- 15. group of many stars held together by gravity
- 16. layer of gasses around the Earth
Down
- 1. what all material is made up of
- 3. method of research which a problem is identified and relative data gathered
- 5. an if then statement that defines the dependent and independent variable
- 6. the distance light travels in one year
- 7. the force that pull toward any object having mass
- 8. region of space with great gravitational pull that nothing can escape
- 9. a group of stars in a pattern
- 11. when one object moves into the shadow of another object