Scientific Inquiry
What are the three types of scientific investigations?
A. investigative, comparative, and experimental
B. descriptive, comparative, and experimental
C. collective, comparative, and experimental
D. descriptive, collective, and investigative
B. descriptive, comparative, and experimental
Dr. Bermann, a geologist, makes an observation while out in the field, and this observation leads her to formulate a question. What can she develop as a possible explanation or answer to her question?
A. a theory
B. an inquiry
C. a hypothesis
D. a law
C. a hypothesis
A Globe is an example of which type of model?
A. Imaginary
B. Idea
C. Physical
D. Computer
C. Physical
When you measure something in meters cubed, you are measuring ____.
a. length
b. area
c. volume
d. mass
c. volume
Which statement describes the dependent variable?
A. It is the causal variable.
B. It is the controlled variable.
C. It is the stimulus variable.
D. It is the affected variable.
D. It is the affected variable.
Which is the best definition of scientific inquiry?
A. a fixed process that follows the steps of question, hypothesis, investigation, gathering evidence, and communicating results
B. any process used to ask and answer questions about the natural world
C. any process used to ask and answer questions
D. a fixed process that uses specific steps to ask and answer questions about the natural world.
B. any process used to ask and answer questions about the natural world
Which of these statements partially defines law?
A. is about how something behaves in the natural world
B. is a possible answer to a scientific question based on research
C. is a widely accepted explanation that combines several hypotheses
D. involves asking a question and performing investigations
A. is about how something behaves in the natural world
True/False
Only scientists use models.
False
In a scientific investigation, the term “quantitative data” refers to numbers that are usually followed by
A. units.
B. graphs.
C. written descriptions.
D. photos of measurement.
C. written descriptions.
Repeating tests usually leads to
A. more independent variables.
B. more accurate measurement.
C. more confidence in the results.
D. more controls in an experiment.
C. more confidence in the results.
Which is the best definition of a scientific question?
A. A scientific question is based on investigations and can be answered through a conclusion.
B. A scientific question is based on investigations and can be answered through an observation.
C. A scientific question is based on observations and can be answered through an investigation.
D. A scientific question is based on conclusions and can be answered through an investigation.
C. A scientific question is based on observations and can be answered through an investigation.
What is a well accepted explanation that can be changed?
A. a theory
B. a law
C. an observation
D. a hypothesis
A. a theory
__________ models are non-visual ways of communicating how someone thinks about something in the natural world.
A. Physical
B. Idea
C. Computer
D. Thought
B. Idea
A millisecond is to a second as one is to ____.
a. 1,000
b. 10
c. 100
d. 100,000
a. 1,000
Part of an experiment without a tested factor; used for comparison
A. Independent Variable
B. Inference
C. Hypothesis
D. Control Group
D. Control Group
Read the question below.
How do granite and marble wear down differently?
Which type of investigation would be most likely conducted to answer the question?
A. collective
B. comparative
C. descriptive
D. experimental
B. comparative
How can a hypothesis become a theory?
A. it can't because it can only become a law
B. When several repeated experiments prove the hypothesis to be correct
C. When new information is expressed refuting the hypothesis
D. Based on observation and factual statements
B. When several repeated experiments prove the hypothesis to be correct
A graphic representation (that cannot be touched or felt) of an object is a __________ model.
A. physical
B. computer
C. idea
D. virtual
B. computer
A ruler may have graduations for both millimeters and centimeters. When measuring the length of an earthworm, which graduations would allow for the most accurate measurement?
A. millimeters
B. centimeters
C. decimeters
D. meters
A. millimeters
Carlo is wondering what causes plants to grow at different rates. Carlo’s hypothesis is “Plants will grow more when the day is longer.” To test his hypothesis, Carlo sets up an investigation that includes an experimental and control group. What factor would remain constant in the control group, but would change in the experimental group?
A. type of soil
B. type of plants
C. exposure to sunlight
D. method for measuring the growth
C. exposure to sunlight
The teacher is talking about a type of scientific investigation that has a question, hypothesis, independent variable, dependent variable, control group, procedure, and conclusion. The teacher mentions that an example of this type of investigation would be seeing if different concentrations of acid rain break down rocks equally. What topic is Kari’s teacher describing?
A. collective investigations
B. descriptive investigations
C. comparative investigations
D. experimental investigations
D. experimental investigations
What can cause a theory to be changed or refuted?
A. New information is available
B. Experimental methods have changed
C. Updated Technology
D. All of the above
D. All of the above
Models can do all of the following EXCEPT ____.
A. make a hypothesis
B. test predictions
C. communicate
D. save time, money, and lives
A. make a hypothesis
When you measure something in meters cubed, you are measuring ____.
a. length
b. volume
c. area
d. mass
c. area
Logical conclusion made from observations
A. Inference
B. Observation
C. Process
D. Hypothesis
A. Inference