PSAE Science Review

1
PSAE Science Review
2
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.

3
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 ____.

4
Standard 11A Scientific Inquiry

• The condition being tested is called the
  independent or dependent variable?
• A ______ is the part of an experiment that is the
  standard against which results are compared.
• List three possible sources of error in an
  experiment
• A. B. C.

5
Standard 12B Living Things

• Name the 6 Kingdom system.
• Identify the parts of an animal cell and know
  their functions
• 13. What 2 structures are only in plant cells?

6
Standard 12B Living Things

• 14. Perform the following Punnett square
• Hh X HH (Hattached earlobes hunattached)
• 15. What type of cells are made in meiosis and
  how many chromosomes are there in these cells?

7
Standard 12B Living Things

• Label the DNA ladder
• 17. What are autosomes and sex chromosomes?

8
Standard 12B Living Things

• What are a females sex chromosomes? Males?
• Explain the difference between prokaryotes and
  eukaryotes.
• Explain what is made in each process
• Replication
• Transcription
• Translation (protein synthesis)-

9
Standard 12B Environment Interaction of
Living Things

1. What is the problem with introducing nonnative
   species to an area?
2. What is a primary succession?
3. Explain how a food chain represents.
4. Explain how a pollutant can get in the drinking
   water.

10
Standard 12B Environment Interaction of
Living Things

• Explain the three types of symbiosis
• mutualism
• commensalisms
• parasitism

11
Standard 12 C - Matter

• Which property of matter relates to the element
  listed
• Electrical conductivity
• Heat conductivity
• Density
• Melting/Boiling point
• Index of Refraction
• Malleability
• Ductility

• Cu copper
• Al aluminum
• Pb lead
• H2O water
• Ag silver
• Ta Tantalum

12
Standard 12 C - Matter

• What type of charge does the following have
• proton
• neutron
• electron
• What does an elements atomic number tell you?
• What does an elements mass number tell you?

13
Standard 12 C - Matter

• 30. Charles Law states that as temperature
  ______ the volume will _______.
• Boyles Law states that as pressure ________ the
  volume will _________.
• Explain a chemical change.
• An atom that has a net positive or negative
  charge is called an ______.

14
Standard 12 C - Matter

• Explain the difference between a cation and an
  anion.
• Balance the following equation
• When bonds are formed by the attraction of
  oppositely charge ions it is called a
• ionic bond or covalent bond

15
Standard 12 C - Matter

• In a periodic table, identify the following
• a group
• a period
• noble gases
• alkali metals
• alkaline earth metals
• high reactivity to low reactivity

16
(No Transcript)
17
Standard 12 C - Matter

• 28. One of two or more atoms having the same
  number of protons but different numbers of
  neutrons is called a ______.
• Discuss the volume and shape of the following
  solids, liquids, gases.
• Temperature is a measure of the average _________
  of random motion of the particles in a substance.

18
Standard 12 C - Matter

• 31. Phase change diagram
• Explain the difference between exothermic and
  endothermic.
• In a pH scale, which end is the acid, the base,
  neutral?

19
Standard 12 C - Matter

• Acids are defined as proton (donors or
  acceptors).
• Bases are defined as proton (donors or
  acceptors).
• Explain the difference between a
• Compound
• Solution
• Mixture

20
Standard 12 C - Matter

• Explain the difference between kinetic energy and
  potential energy.
• Define the 3 laws of thermodynamics
• 1
• 2
• 3
• 38. In magnetic fields,
• like charges _______
• opposite charges ______

21
Standard 12 C - Matter

• 39. In light and sound, describe the difference
  between wavelength and frequency.
• In sound, describe the difference between
  intensity, loudness, pitch, and quality.
• Sound waves move slowest in gases. Will they
  move faster or slower than gases in liquids and
  solids.

22
Standard 12 C - Matter

• Describe Newtons 3 Laws
• 1st 2nd 3rd
• 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?

23
Standard 12E Earth Science

1. What is the name of the substance that is made of
   molten rock and gases below Earths crust?
2. Which type forms molten material cools and
   solidifies either inside Earth or at the surface?
   (Igneous rocks or Sedimentary rock or Metamorphic
   rock)
3. Our solar system is dated at ___ billion years
   old from radioactive dating.

24
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 volcanoes
• cinder volcanoes
• composite volcanoes

25
Standard 12E Earth Science

1. Winds are caused by the difference in
   _____________. Warm air will _____ and cold air
   will ______.
2. Explain the difference between weather and
   climate.
3. What caused the seasons on Earth?
4. 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?

26
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?
• Explain flood plains.
• Explain how sediments are affects by a rivers
  shape.

27
Standard 12F - Astronomy

1. What is a star made of?
2. What is the difference between a comet and an
   asteroid?
3. What is a nebulae?
4. Scientist theorize that over 10 billion years
   ago, the universe began in a huge expansion
   called the Bing Bang. Explain the Big
   BangTheory.
5. What cause tides?

28
Standard 13A - Practice of Science

1. Why is it important to replicate experiments?
2. Define accuracy.
3. Define precision.
4. Explain what is meant by finding mean, median,
   and mode.

29
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.

30
Answers