Across
- 1. rust forming on iron Is an example of ------ change
- 2. how can a object be moved by another object?
- 5. changing from a solid to liquid an example of ------ change
- 6. potential energy is the stored energan a object because its state or
- 11. every object is equal unless upon____
- 15. a group of atoms bonded together is called?
- 17. how many Newton laws are there?
- 19. baking a cake is a example of____
- 20. change in which no new substances are formed is called a ----- change
Down
- 1. a substance made up of 2 or more different type of atoms bonded together
- 3. potential energy also stands for___
- 4. what is the smallest unit of an element that remains its properties
- 7. when two objects colide they will go there ____ ways
- 8. when two objects attract eachoter moving them apart will______ their potential energy.
- 9. kinetic energy also stands for ____
- 10. the number of protons plus neotrons in the nucular of an atoms
- 12. crushing a can is a example of______?
- 13. the center of an atom containing protons neutronsroms
- 14. if two objects repel each other moving them apart will decrease
- 16. when ice melts it undergoes a ------ change
- 17. a force on an object equal to its mass____ its acceleration
- 18. mixing salt and water to make a solution is a example of ------change