PRACTICE EXAMINATION 2026
QUESTIONS WITH ANSWERS GRADED A+
◍ Laws.
Answer: statements that predict, or tell us what we expect to happen.
◍ Bias.
Answer: A preformed judgment or unfavorable opinion about something.
◍ Metric System.
Answer: A measurement system based on 10's and is used internationally.
◍ Experimental Group.
Answer: The group that has variables acting upon it so that it can be
compared with the results of the control group.
◍ Constant.
Answer: Compares the hypothesis to the experiment's results. A search for
relationships within the data.
◍ What is a scientific law?.
Answer: A statement that predicts what we expect to happen in a scientific
phenomenon.
◍ Positive Correlation.
Answer: BOTH values are increasing or decreasing
◍ What does a histogram represent?.
Answer: Categorical data arranged on a continuous scale.
◍ Observation.
Answer: To examine something closely using all of your senses. An
observation does not include opinions.
, ◍ What is the fourth step of the scientific process?.
Answer: Gather Data
◍ Procedure.
Answer: The steps taken to carry out an experiment.
◍ What is the most frequent numerical value in a data set called?.
Answer: Mode.
◍ What type of graph is used to compare non-numerical values?.
Answer: Bar graph.
◍ Density.
Answer: The ratio of mass to volume. Quantity or number per unit, as of
area. D= M/V answer is in unit 2
◍ Length.
Answer: The measure of how long something is; the measurement of
anything from end to end; metric base unit= meters.
◍ What is the fifth and last step of the scientific process?.
Answer: Communicate Results
◍ What is the independent variable in an experiment?.
Answer: The manipulated variable, found on the x-axis.
◍ Hypothesis.
Answer: A possible answer to your experiment's problem. It is a prediction
that can be tested.
◍ What is a control group (constant)?.
Answer: The group that does not receive the treatment in an experiment.
◍ Volume.
Answer: The amount of space something fills up or occupies; metric base
unit= liters.
◍ What is qualitative data?.
Answer: Data that uses the senses.