16 Questions
Scientists conduct experiments to answer their questions about the world. They follow a set of procedures, known as the scientific ______.
method
First, scientists ask a testable question based on their ______.
observations
Scientists research to learn about the topic they’re ______.
investigating
Scientists form a ______: an educated guess, about what they think will happen based on the patterns they’ve seen.
hypothesis
The experiment might involve several ______.
trials
During the experiment, scientists use tools to collect ______ that will help answer their question.
data
Scientists use the data to form conclusions and support arguments about the ______ they studied.
problem
Independent variable: the factor that is changed by the ______.
experimenter
Dependent variable: the factor that changes because of the independent ______. This is what the experimental measures.
variable
Variables are factors in the experiment that ______.
change
Qualitative data is observable through the ______, like color, texture, and smell.
senses
Quantitative data is measurable, like length, time, or number of ______.
people
When the trials are over, scientists analyze the ______.
data
Engineers use scientific knowledge to solve problems by developing objects, tools, processes, and ______.
systems
Scientists can collect qualitative or quantitative data during the ______.
experiment
Scientists organize and analyze the data to determine the answers to the ______ question.
testable
Study Notes
The Scientific Method
- Scientists conduct experiments to answer their questions about the world by following a set of procedures.
- The scientific method involves asking a testable question based on observations and researching to learn about the topic.
Forming a Hypothesis
- Scientists form a hypothesis, an educated guess, about what they think will happen based on the patterns they've seen.
Conducting the Experiment
- The experiment might involve several trials, and scientists use tools to collect data that will help answer their question.
- During the experiment, scientists collect data to form conclusions and support arguments about the topic they studied.
Variables
- An independent variable is the factor that is changed by the scientist.
- A dependent variable is the factor that changes because of the independent variable.
- Variables are factors in the experiment that can change.
Data Types
- Qualitative data is observable through the senses, like color, texture, and smell.
- Quantitative data is measurable, like length, time, or number of objects.
Analyzing Data
- When the trials are over, scientists analyze the data to determine the answers to their question.
- Scientists organize and analyze the data to determine the answers to their question.
Engineers and Scientific Knowledge
- Engineers use scientific knowledge to solve problems by developing objects, tools, processes, and systems.
- Scientists can collect qualitative or quantitative data during the experiment.
Test your understanding of the scientific method and the inquiry process used by scientists to investigate, model, and explain the world. This quiz covers the steps involved in conducting experiments, asking testable questions, and applying scientific knowledge to problem-solving and engineering design.
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