Science

4. able to cause damage
6. a region of material that is chemically uniform, physically distinct, and often mechanically separable.
9. a process in which atoms rearrange to form new substances
14. The temperature at which a substance changes from the solid phase to the liquid phase
16. a simple substance that cannot be broken down into smaller parts or changed into another substance
17. the action or process of observing something or someone carefully or in order to gain information
18. To smell like a scientist.
19. a group of atoms bonded together.
20. the relative size of things

1. a substance that is added to soil to help plants grow
2. a table of the chemical elements arranged in order of atomic number, usually in rows.
3. an ending substance that is made during a chemical reaction
5. An element on periodic table, atomic number is 24, atomic symbol is Cr, atomic mass is 51.996
7. a starting substance that s part of a chemical reaction
8. The temperature at which a substance changes from the liquid phase to the gas phase
10. something that is made of all the same atoms or groups of atoms
11. regular and intelligible forms or sequences that can be found throughout nature
12. The tiny piece that all matter- all the stuff in the world- is made of
13. letters and numbers showing the types and numbers of atoms that repeat to make up a substance
15. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see