Physical Science

5. to reduce friction you can add soap to make a surface more of this
8. to move from one object to another
11. the space around a magnet in which magnetic forces can act on objects
12. puzzles that use the digits 1-9
14. an event or process that leads to a result or change
15. the moment when two objects hit each other
18. a balanced state in which a system is stable
20. a __________________ force can cause a greater change in velocity
22. this is how you connect your evidence to your claim
23. to push objects away from each other
26. when two objects collide, a force is exerted on each object in the ______________ direction
30. to pull objects toward one another
31. to change from one type to another
32. to apply a force
34. when something stays mostly the same over time
35. gases and liquids are this because they flow

1. to reach a conclusion using evidence and reasoning
2. the amount of matter in an object
3. the type of anergy that an object has because it is moving
4. energy is never created it can be __________________
6. information that is use to support or go against a claim
7. friction is caused by this on the surfaces that are moving past each other
9. a result or change that happens because of an event or process
10. a force that resists the motion of two surfaces that are touching
13. a push or a pull that can change the motion of an object
16. a dangerous card game played with eating utensils
17. the gravitational force exerted on an object
19. a group of atoms joined together in a particular way
21. the ability to make something move or change
22. to prove wrong
24. an object, diagram or computer program that helps us understand something by making it simpler or easier to see
25. pole one of the two opposite ends of a magnet
27. the type of energy that is stored and waiting to be used
28. to separate or set apart
29. a set of interacting parts forming a complex whole
33. a proposed answer to a question about the natural world