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 Sci. Meth Exp. Design Density Phases Mixtures Atoms P.T.

2. Sci. Meth/Exp. Design 100 What is the first thing you should do if you break a piece of glassware.

3. Sci. Meth/Exp. Design 100 Answer Tell the teacher

4. Sci. Meth/Exp. Design 200 After posing a hypothesis, what is the next step to the scientific method?

5. Sci. Meth/Exp. Design 200 Answer Design an experiment

6. Sci. Meth/Exp. Design 300 What is the purpose of a control group?

7. Sci. Meth/Exp. Design 300 Answer To provide a basis for comparison

8. Sci. Meth/Exp. Design 400 What is the difference between the independent and dependent variables in an experiment?

9. Sci. Meth/Exp. Design 400 Answer Independent variable is the thing you change Dependent variable is the data you collect

10. Sci. Meth/Exp. Design 500 When graphing, the extension of a trend line to predict results is called…

11. Sci. Meth/Exp. Design 500 Answer Extrapolation

12. Density 100 What method is used to find the volume of an irregular solid?

13. Density 100 Answer Water displacement

14. Density 200 What is the formula to find mass?

15. Density 200 Answer M=D*V

16. Density 300 The density of a mineral is 3.0g/mL. If you cut it exactly in half, what is the density of each half?

17. Density 300 Answer 3.0g/mL

18. Density 400 Liquid A’s density is 2.1g/mL Liquid B’s density is 0.1g/mL Liquid C’s density is 0.7g/mL Draw a diagram showing how they would layer in beaker

19. Density 400 Answer B C A

20. Density 500 If the density of a solid is 0.1g/mL, how much of the object would be submerged (under water)?

21. Density 500 Answer 10% submerged (90% above water)

22. Phases 100 This phase has definite volume and indefinite shape

23. Phases 100 Answer Liquid

24. Phases 200 The phase change from gas to liquid is called…

25. Phases 200 Answer Condensation

26. Phases 300 Of the four phases we studied, this one has the highest energy…

27. Phases 300 Answer Plasma

28. Phases 400 The change from a solid directly to a gas

29. Phases 400 Answer Sublimation

30. Phases 500 These two phase changes involve a gain in energy

31. Phases 500 Answer Melting and vaporizing

32. Mixtures 100 Plastic and iron can be separated by taking advantage of this physical property

33. Mixtures 100 Answer Magnetism

34. Mixtures 200 Name the three factors that can affect the rate of solution

35. Mixtures 200 Answer Stirring Crushing/Grinding Temperature

36. Mixtures 300 A mixture in which the particles are too small to be seen and never settle out is called a …

37. Mixtures 300 Answer Solution

38. Mixtures 400 You add some sugar to your coffee in the morning. Which is the solvent and which is the solute.

39. Mixtures 400 Answer Solvent – coffee Solute – sugar

40. Mixtures 500 A point on a solubility curve indicates that the solution is ____________ at that temperature

41. Mixtures 500 Answer Saturated

42. Atoms / Periodic Table 100 These two subatomic particles have very similar masses and are found in the nucleus

43. Atoms / Periodic Table 100 Answer Protons and neutrons

44. Atoms / Periodic Table 200 A substance conducts electricity and is shiny. It is most likely a …

45. Atoms / Periodic Table 200 Answer Metal

46. Atoms / Periodic Table 300 A gas is found to be inert. It is most likely a member of this family…

47. Atoms / Periodic Table 300 Answer Noble gases (Group 18 or 8A)

48. Atoms / Periodic Table 400 What is the difference between atomic number and mass number?

49. Atoms / Periodic Table 400 Answer Atomic number = # of protons Mass number = # protons + neutrons

50. Atoms / Periodic Table 500 Atomic mass is most precisely defined as

51. Atoms / Periodic Table 500 Answer The weighted average of the mass numbers of the naturally occurring isotopes of an element