Across
- 2. A “downward” force exerted on everything that has mass by the earth.
- 4. When the sum of the forces on an individual object do not add up to zero.
- 7. Also sometimes referred to as a control group.
- 10. The equal and opposite forces always present when two objects are in contact. The objects push together equally or pull apart equally. For example, a book on a table or a balloon on a string. Shown as a dot at the contact of two objects, with equal and opposite vector arrows.
- 15. An object which is not accelerating. Constant motion can mean no
- 16. An event in which two (or more) bodies exert forces on each other for a
- 17. amount of something; how large or small something is, represented by the length of the vector arrow.
- 18. The change in motion due to the object’s changing speed or direction.
- 20. Variable/condition that is purposely changed in the
- 21. Something used to judge or measure against (in an
- 22. of time.
Down
- 1. An investigation or experiment in which the variables are carefully
- 3. The measured results of the investigation. “This is the variable that depends on what I changed.”
- 5. a quantity that has a magnitude and a direction; shown by an arrow representing a force in one direction - must be labeled.
- 6. When the sum of the forces on an individual object add up to zero.
- 8. A push or a pull
- 9. When the sum of the forces on an individual object add up to zero.
- 11. and controlled. A fair investigation can be trusted to yield accurate results.
- 12. Variables/conditions that are kept the same in an investigation.
- 13. “What I change in the investigation.” (Independent starts with
- 14. or motion that is not changing in speed or direction
- 19. The amount of matter in an object.