AICE MARINE SCIENCE STUDY GUIDE TEST
PAPER QUESTIONS AND SOLUTIONS
GRADED APLUS
●● Dependent variable
Answer: Measured results affected by the independent variable.
●● Controlled variables
Answer: Factors kept constant to ensure valid results.
●● Quadrat
Answer: Frame used to sample organisms in an area.
●● Algae growth measurement
Answer: Percent cover assessed using a quadrat.
●● Duration for small organisms
Answer: Experiment lasts 1-2 weeks for small species.
●● Duration for large organisms
Answer: Experiment lasts 2-4 weeks for large species.
,●● Validity of results
Answer: Ensuring repeat trials increase reliability of data.
●● Safety considerations
Answer: Precautions to prevent harm during experiments.
●● Digital thermometer
Answer: Device used to measure temperature accurately.
●● pH probe
Answer: Instrument for measuring acidity or alkalinity.
●● Graduated cylinder
Answer: Equipment for measuring liquid volume precisely.
●● Balance
Answer: Tool used to measure mass of objects.
●● Stopwatch
Answer: Device for measuring time intervals accurately.
,●● Ruler
Answer: Tool for measuring distance in mm or meters.
●● Anomalous results
Answer: Data points that deviate from expected patterns.
●● Sources of error
Answer: Factors that may affect accuracy of results.
●● Graph types
Answer: Line graphs for continuous data, bar charts for discrete.
●● Line of best fit
Answer: Line that best represents data trends in graphs.
●● Descriptive labels
Answer: Axis labels must include units for clarity.
●● Conclusions
Answer: Summary evaluating results and their implications.
●● Outline format
, Answer: Brief bullet points summarizing key information.
●● Explain format
Answer: Detailed sentences describing reasons behind observations.
●● Kinetic Particle Theory
Answer: Describes particle movement based on energy levels.
●● Solid State
Answer: Particles vibrate in fixed positions.
●● Liquid State
Answer: Molecules can move freely, some evaporate.
●● Vapor State
Answer: Fastest moving particles, escape into air.
●● Atom
Answer: Smallest particle made of protons, neutrons, electrons.
●● Covalent Bonding
Answer: Atoms share electrons to achieve stability.
PAPER QUESTIONS AND SOLUTIONS
GRADED APLUS
●● Dependent variable
Answer: Measured results affected by the independent variable.
●● Controlled variables
Answer: Factors kept constant to ensure valid results.
●● Quadrat
Answer: Frame used to sample organisms in an area.
●● Algae growth measurement
Answer: Percent cover assessed using a quadrat.
●● Duration for small organisms
Answer: Experiment lasts 1-2 weeks for small species.
●● Duration for large organisms
Answer: Experiment lasts 2-4 weeks for large species.
,●● Validity of results
Answer: Ensuring repeat trials increase reliability of data.
●● Safety considerations
Answer: Precautions to prevent harm during experiments.
●● Digital thermometer
Answer: Device used to measure temperature accurately.
●● pH probe
Answer: Instrument for measuring acidity or alkalinity.
●● Graduated cylinder
Answer: Equipment for measuring liquid volume precisely.
●● Balance
Answer: Tool used to measure mass of objects.
●● Stopwatch
Answer: Device for measuring time intervals accurately.
,●● Ruler
Answer: Tool for measuring distance in mm or meters.
●● Anomalous results
Answer: Data points that deviate from expected patterns.
●● Sources of error
Answer: Factors that may affect accuracy of results.
●● Graph types
Answer: Line graphs for continuous data, bar charts for discrete.
●● Line of best fit
Answer: Line that best represents data trends in graphs.
●● Descriptive labels
Answer: Axis labels must include units for clarity.
●● Conclusions
Answer: Summary evaluating results and their implications.
●● Outline format
, Answer: Brief bullet points summarizing key information.
●● Explain format
Answer: Detailed sentences describing reasons behind observations.
●● Kinetic Particle Theory
Answer: Describes particle movement based on energy levels.
●● Solid State
Answer: Particles vibrate in fixed positions.
●● Liquid State
Answer: Molecules can move freely, some evaporate.
●● Vapor State
Answer: Fastest moving particles, escape into air.
●● Atom
Answer: Smallest particle made of protons, neutrons, electrons.
●● Covalent Bonding
Answer: Atoms share electrons to achieve stability.
