Science

4. The ends of a magnet where its magnetic force is strongest.
5. The amount of matter in an object, typically measured in kilograms or grams.
8. A region around a force, such as a magnetic or gravitational space, that can affect other objects.
9. A push or pull motion that can cause an object to move or change its motion.
10. A force that attracts or repels objects made of certain metals, like iron.
12. Substances that are made up of two or more different elements chemically bonded.
13. To apply or use force on an object.
15. This is form of energy resulting from the flow of charged particles (electrons).
16. A force that pulls objects toward the center of the Earth or other celestial bodies.

1. The smallest unit of matter, consisting of protons, neutrons, and electrons.
2. To join two or more substances to form a new compound or mixture.
3. To push objects away from each other, such as identical poles of magnets.
6. To pull objects toward each other, such as opposite magnetic poles.
7. Pure substances consisting of only one type of atom.
11. The regular rise and fall of sea levels caused by the gravitational pull of the moon.
14. Chemical processes in which substances interlink to form new substances.