1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Changes & Properties Periodic Table Structure of the Atom Atom & History Science and Society

2. A characteristic of matter that cannot be observed without altering the substance. Hint: the ability to burn.

3. Chemical Property

4. This property describes how something looks, smells, sounds, or tastes.

5. Physical Property

6. Changing the state of matter (i.e. solid to a liquid) is a ________ change.

7. PHYSICAL

8. The temperature at which liquid water turns into gas.

9. BOILING POINT

10. Rust is an example that ___________ change occurred.

11. CHEMICAL

12. What do we use to organize the known elements?

13. The Periodic Table

14. The symbol for the element lead is _______.

15. Pb

16. The atomic number tells us how many ______ are in the nucleus of the atom.

17. Protons

18. Each element is represented by a ________ _______ on the periodic table.

19. Chemical Symbol

20. The symbol for mercury is ______.

21. Hg

22. The nucleus of each atom contains ______ and ______.

23. Protons and Neutrons

24. The _______ surround the nucleus of each atom in a “cloud.”

25. Electrons

26. What kind of electrical charge do protons have?

27. Positive

28. What type of electrical charge do neutrons have?

29. Trick Question – They have no charge.

30. Electrons have a ________ charge.

31. Negative

32. What was the main difference between today’s scientists and the Greek philosophers?

33. The Greeks did not Perform any research.

34. John Dalton thought the atom was similar to a ______ ______.

35. Hard Sphere

36. I had four ideas about Atoms and Matter. Who am I?

37. John Dalton

38. Daily Double: I investigated the cathode ray tube and added a magnet to the experiment. Who am I?

39. Thomson

40. Where did Rutherford think all of the positive charge of the atom was located?

41. In the nucleus of the atom

42. This scientist investigated chimps in Africa and educated the public on protecting them.

43. Jane Goodall

44. I published a book about my beliefs that the sun was the center of our solar system. Who am I?

45. Galileo

46. As a result of my work, I was imprisoned because everyone believed the earth was the center of our solar system. Who am I?

47. Galileo

48. DAILY DOUBLE Many times science and society conflict with each other. What do scientists need in order to sway the public’s opinions on certain issues?

49. DATA

50. This is the study of how the world, both non- living and living, works.

51. SCIENCE