Physical Science

7. A tiny, negatively charged particle that spins around the center of an atom, called the nucleus
9. A substance that is formed as a result of a chemical reaction
11. An invisible force that pulls objects toward each other
12. A tool used to measure temperature, which also tells you how hot or cold something is
14. When a liquid becomes a gas
16. The amount of space a solid, liquid, or gas it takes up
21. Using your senses to describe things without using numbers
22. The control center or "Brain" of the cell
23. How likely something can be caught on fire
24. A bluish-white metal found in the periodic table and is an important element for both plants and animals
25. The ability to dissolve into another substance

1. A unit of energy or work in science
2. The thing you change or control
3. The movement of energy from something hot to something cold
4. How tightly packed something is
5. Energy traveling in the form of waves or particles
6. Formed when two or more different elements are chemically bonded together
8. Has shorter wave lengths than visible light
10. The energy of movement
13. The path an object takes as it moves around another object
15. A special picture taken inside of the body to basically make sure everything's okay inside
17. Something that takes the shape of its container
18. How heavy an item is
19. The smallest building blocks of matter and make up everything around us
20. The vertical line on a graph that runs up and down