6.4 Lessons 1-3

5. The slower the objects are moving when they collide, the ____________ the collision force.
6. The “like-to-have” parts of the solution, which are____________.
7. The amount of something; how large or small something is.
10. The amount of matter in an object.
12. The “must-have” parts of the solution, which are____________.
14. If a person kicks a ball right, the ball acts _____________.
16. When drawing force pairs, the arrows should be pointing in the _________ direction.
17. If a person pushes a box with 15 N of force, the box pushes back with _________N of force.

1. The equal and opposite forces always present when two objects interact
2. One of the essential parts found within a system.
3. A push or a pull on an object, or from one object to another.
4. The observations or measurements made during a scientific investigation.
5. When drawing force pairs, the size of the arrows should be the _________.
8. The greater the mass of the colliding objects, the ______________ the force needed to make the objects move.
9. The format we use when writing force pairs.
11. a group of related parts that make up a whole and can carry out functions its individual parts cannot.
13. The process of studying and/or organizing data.
15. Newton's ___________ Law of Motion
16. For every action, there is an equal and ___________ reaction.