1. Matter Unit January/February 2014

2. What is matter?

3. ANSWER: Anything that takes up space

4. What are the three phases of matter?

5. ANSWER: Gas, liquid, solid

6. How does matter change states?

7. ANSWER: Increasing or decreasing the temperature

8. What is the state of matter where particles move the most quickly?

9. ANSWER: Gas

10. What phase(s) of matter take the volume of the container they are placed in?

11. ANSWER: Gas

12. What phase(s) of matter take on the shape of the container they are placed in?

13. ANSWER: Liquid and gas

14. What is mass?

15. ANSWER: How much matter is in an object

16. Does your mass ever change?

17. ANSWER: Never

18. What is weight?

19. ANSWER: a measurement the force of gravity upon an object

20. Does weight ever change?

21. ANSWER: Because weight it dependent on gravity, the more gravity, the more something weighs.

22. What are the 3 ways to measure volume?

23. ANSWER: A graduated cylinder, displacement and LxWxH

24. What is displacement used for?

25. ANSWER: Measuring irregular objects

26. What is density?

27. ANSWER: How tightly packed matter is inside an object?

28. What is more dense: a packed elevator or an empty elevator?

29. ANSWER: A packed elevator

30. What are atoms?

31. ANSWER: The basic building blocks of matter that make up every object

32. What are the 4 parts of an atom?

33. ANSWER: Electrons, protons, neutrons and the nucleus

34. What is located in the nucleus of an atom?

35. ANSWER: Protons and Neutrons

36. Where are electrons located?

37. ANSWER: Electrons orbit the nucleus

38. What is a molecule?

39. ANSWER: A substance with multiple types of atoms

40. Which of the following is a molecule: H 2 O 2 Hydrogen Atoms 3 oxygen atoms CO

41. ANSWER: CO and H 2 0

42. What is an element?

43. ANSWER: an atom with a unique structure (a specific type of atom)

44. Where are all known elements listed?

45. ANSWER: The Periodic Table of Elements

46. What is the name of the element?

47. ANSWER: Barium

48. What is the atomic number?

49. ANSWER: 56

50. What is the atomic mass?

51. ANSWER: 137.327

52. How many protons and electrons does this element have?

53. ANSWER: 56 protons, 56 electrons

54. How do you figure out the number of neutrons of an element?

55. ANSWER: Subtract the atomic number from the atomic mass

56. How many neutrons does this element have?

57. ANSWER: 81.327 or rounded 82