PSAE Science Review

Standard 11A – Scientific Inquiry

1. What is the definition for hypothesis?

2. What is a variable in an experiment?

3. When reporting data that shows changes in related variables, would you use a line graph, circle graph, or bar graph

4. When reporting data that shows measurements, amounts or changes, would you use a line graph, circle graph, or bar graph.

Standard 11A – Scientific Inquiry

5. When reporting data that shows measurements, amounts or changes, would you use a line graph, circle graph, or bar graph.

6. A controlled experiment involves only ___ variable.

7. The group in an experiment that gets changes or also called the test group is called the ____.

Standard 11A – Scientific Inquiry

8. The condition being tested is called the independent or dependent variable?

9. A ______ is the part of an experiment that is the standard against which results are compared.

10. List three possible sources of error in an experiment:

A. B. C.

Standard 12B – Living Things

11. Name the 6 Kingdom system.

12. Identify the parts of an animal cell and know their functions:

13. What 2 structures are only in plant cells?

Standard 12B – Living Things

14. Perform the following Punnett square: Hh X HH (H=attached earlobes h=unattached)

15. What type of cells are made in meiosis and how many chromosomes are there in these cells?

Standard 12B – Living Things

16. Label the DNA ladder:

17. What are autosomes and sex chromosomes?

Standard 12B – Living Things

18. What are a females sex chromosomes? Males?

19. Explain the difference between prokaryotes and eukaryotes.

20. Explain what is made in each process:1. Replication –2. Transcription –3. Translation (protein synthesis)-

Standard 12B – Environment & Interaction of Living Things

21. What is the problem with introducing nonnative species to an area?

22. What is a primary succession?

23. Explain how a food chain represents.

24. Explain how a pollutant can get in the drinking water.

Standard 12B – Environment & Interaction of Living Things25. Explain the three types of symbiosis:

mutualism –commensalisms –parasitism –

Standard 12 C - Matter26. Which property of

matter relates to the element listed:

a. Electrical conductivityb. Heat conductivityc. Densityd. Melting/Boiling pointe. Index of Refractionf. Malleabilityg. Ductility

Cu = copperAl = aluminumPb = leadH2O = water

Ag = silverTa = Tantalum

Standard 12 C - Matter27. What type of charge does the following have:

protonneutron electron

28. What does an element’s atomic number tell you?

29. What does an element’s mass number tell you?

Standard 12 C - Matter30. Charles’ Law states that as temperature

______ the volume will _______.

31. Boyle’s Law states that as pressure ________ the volume will _________.

32. Explain a chemical change.

33. An atom that has a net positive or negative charge is called an ______.

Standard 12 C - Matter34. Explain the difference between a cation and

an anion.

35. Balance the following equation:

36. When bonds are formed by the attraction of oppositely charge ions it is called a:ionic bond or covalent bond

Standard 12 C - Matter37. In a periodic table, identify the following:

a groupa periodnoble gasesalkali metalsalkaline earth metalshigh reactivity to low reactivity

Standard 12 C - Matter28. One of two or more atoms having the same

number of protons but different numbers of neutrons is called a ______.

29. Discuss the volume and shape of the following: solids, liquids, gases.

30. Temperature is a measure of the average _________ of random motion of the particles in a substance.

Standard 12 C - Matter31. Phase change diagram

32. Explain the difference between exothermic and endothermic.

33. In a pH scale, which end is the acid, the base, neutral?

Standard 12 C - Matter34. Acids are defined as proton (donors or

acceptors).Bases are defined as proton (donors or acceptors).

35. Explain the difference between aCompoundSolutionMixture

Standard 12 C - Matter36. Explain the difference between kinetic

energy and potential energy.

37. Define the 3 laws of thermodynamics:#1 #2#3

38. In magnetic fields,

like charges _______opposite charges ______

Standard 12 C - Matter39. In light and sound, describe the difference

between wavelength and frequency.

40. In sound, describe the difference between intensity, loudness, pitch, and quality.

41. Sound waves move slowest in gases. Will they move faster or slower than gases in liquids and solids.

Standard 12 C - Matter42. Describe Newton’s 3 Laws

1st 2nd 3rd

43. Which principle relates to a boat floating on water?

44. Which principle relates to an airplane flying?

45. As an apple falls to the ground what are the two forces acting on it?

Standard 12E – Earth Science

46. What is the name of the substance that is made of molten rock and gases below Earth’s crust?

47. Which type forms molten material cools and solidifies either inside Earth or at the surface? (Igneous rocks or Sedimentary rock or Metamorphic rock)

48. Our solar system is dated at ___ billion years old from radioactive dating.

Standard 12E – Earth Science

49. A seismograph measures the time and amplitudes of seismic waves to determine the location of the ____ of the earthquake.

50. The process in which gases hold heat in the air is called the __________ effect.

51. Describe the three major types of volcanoes:shield volcanoescinder volcanoescomposite volcanoes

Standard 12E – Earth Science

52. Winds are caused by the difference in _____________. Warm air will _____ and cold air will ______.

53. Explain the difference between weather and climate.

54. What caused the seasons on Earth?

55. When it is summer in the Northern hemisphere, the hemisphere is tilted (towards or away) from the sun. What would the southern hemisphere be doing?

Standard 12E – Earth Science

56. Which gas is the most abundant in the atmosphere?

57. When the ground is saturated, what does that mean in term of groundwater?

58. Explain flood plains.

59. Explain how sediments are affects by a river’s shape.

Standard 12F - Astronomy60. What is a star made of?

61. What is the difference between a comet and an asteroid?

62. What is a nebulae?

63. Scientist theorize that over 10 billion years ago, the universe began in a huge expansion called the Bing Bang. Explain the Big BangTheory.

64. What cause tides?

Standard 13A - Practice of Science65.Why is it important to replicate

experiments?

66. Define accuracy.

67.Define precision.

68. Explain what is meant by finding mean, median, and mode.

Standard 13A - Practice of Science

69. What type of device would you use to measure the following:length –mass – volume –time –temperature –

70. Explain the difference between quantitative data and qualitative data.

Answers