Scientific Inquiry Answers

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Scientists are investigating how well different microphones capture and record sounds. They use tools that show how loud the high and low sounds are and a tool that shows how much noise is recorded along with the actual sounds.Which is a scientific question that could be included in this investigation?

A
Which microphone captures a singer’s low sounds the loudest?
B
Which microphone sounds best for a female singing rock music?
C
Which microphone best records high sounds and low sounds?
D
Which microphone is usually a male singer’s favorite?
2
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What does a control group show in an experimental investigation?

A
the effects that the scientists are causing by manipulating variables
B
how nature would act without manipulation by the researchers
C
why each part of a system is related to every other part
D
all parts of a system that scientists are controlling and changing
3

controlhypothesisproceduresystem

A
control
B
hypothesis
C
procedure
D
system
4

In an experimental investigation, the group that is not manipulated by the researcher and is then compared to the experimental group is called the group.

Answer not available
5

Which are characteristics of scientific questions? Check all that apply.asking about subjective mattershaving a wide focus on many topicsaddressing a gap in knowledgepossibly leading to a testable hypothesisalready having fully confirmed explanations

A
asking about subjective matters
B
having a wide focus on many topics
C
addressing a gap in knowledge
D
possibly leading to a testable hypothesis
E
already having fully confirmed explanations
6

Which is a limitation of comparative investigations?

A
They give results that are usually not repeatable by other scientists.
B
They might show variable relationships that are not actually cause and effect.
C
They can usually only be conducted in labs instead of in natural environments.
D
They are usually inexpensive, but they do not provide new information.
7

Scientists are studying a group of living cells under a microscope. They write down notes about the size, shape, and color of the cells as well as other traits.Which best describes this type of investigation?

A
comparative, because the scientists will be making observations in order to form a hypothesis
B
comparative, because the scientists are measuring dependent and independent variables
C
descriptive, because the scientists are using independent variables to test a hypothesis
D
descriptive, because the scientists are writing down observations but not making comparisons
8

controlhypothesisproceduresystem

A
control
B
hypothesis
C
procedure
D
system
9

Tyler wants to learn about the types of insects in the soil near his house. Which would be a benefit of carrying out a descriptive investigation?

A
He could collect a large amount of data for a low cost.
B
He could control most of the variables affecting the insects.
C
He would get results that might change after the investigation.
D
He would be able to study cause-and-effect relationships.

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