1st Semester Vocab Physical Science
Across
- 4. The part of the experiment that stays the same
- 5. Shows the reactants and products using symbols Balanced
- 7. used as a constant and unchanging standard of comparison in scientific experimentation.
- 11. 2 elements form a compound
- 13. Has an equal number of atoms on both sides of the arrow
- 15. substance A substance that is made of only one type of atom or molecule
- 16. change Color, shape, and size
- 18. Right sid of the Periodic Table
- 20. Particals within the atom: proton, neutron, and electrons
- 25. A testable question in the form of an if than statement
- 26. Two or atoms of the same element, the have the same number of protons but different numbers of nuetrons
- 32. a mathematical relationship or rule expressed in symbols.
- 33. Atom has gained or lost electrons- NOT neutral
- 34. The substance after the change has occurred, written on right side of the arrow
- 37. The variable whose variation doesnt depend on the other
- 41. Horizontal column
- 44. compounds form 2 new compounds
- 47. Simplest form of that species
- 48. Releases energy in the form of heat
- 49. symbol on top of the arrow
- 56. A chemical change that produces a new substance
- 57. 1 compound forms 2 or more elements
- 58. Left side of the Periodic Table
- 59. Absorbs energy in the form of heat
- 60. A substance made by mixing other substances together
- 61. atoms want 8 valance electrons like the noble gases
Down
- 1. Validity definition, the state or quality of being valid: to question the validity of the argument.
- 2. Parts of a mixture that look alike
- 3. Hydrocarbonn and oxygen form water and carbon dioxide
- 6. A positively charged ion
- 8. Elements transfer electrons
- 9. Negative outside nucleus in orbitals
- 10. Burning, combustion, and cooking
- 12. The act of trying or testing in any manner.
- 14. On the stair-step
- 17. element and compound form a new element and new compound
- 19. Vertical column
- 21. number Rounded atomic mass gives number of protons, neutrons, and electrons
- 22. A negatively charged ion
- 23. The number in front of the element
- 24. A measure that changes the substance
- 27. Ion with more than one atom, has a charge, acts like a single unit
- 28. without changing the composition of matter
- 29. Positive inside nucleus
- 30. Neutral no charge inside nucleus
- 31. The elements have a repeating pattern that allow them to be placed in groups and periods
- 35. Decimal on the Peridoic Table
- 36. The variable that varies according to the others
- 38. The substance befor the change, written on the left side of arrow
- 39. The cloud of electrons around the nucleus
- 40. Elements that share electrons
- 42. Smallest form of an element that consist of a proton, neutron, electron, and orbitals
- 43. Location of protons and nuetrons
- 45. Parts of a mixture that are diverse or different
- 46. Whole number on the Periodic Table
- 50. The energy stored in the bonds a compound
- 51. A thing that is composed of two or more elements
- 52. How compact the object is
- 53. A reaction that ties together compounds
- 54. Element featuredor factored that iS liable to vary or change
- 55. Trait or characteristic