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Questions and Answers
Questions and Answers
Scientists conduct experiments to answer their questions about the world. They follow a set of procedures, known as the scientific ______.
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 ______.
First, scientists ask a testable question based on their ______.
observations
Scientists research to learn about the topic they’re ______.
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.
Scientists form a ______: an educated guess, about what they think will happen based on the patterns they’ve seen.
The experiment might involve several ______.
The experiment might involve several ______.
During the experiment, scientists use tools to collect ______ that will help answer their question.
During the experiment, scientists use tools to collect ______ that will help answer their question.
Scientists use the data to form conclusions and support arguments about the ______ they studied.
Scientists use the data to form conclusions and support arguments about the ______ they studied.
Independent variable: the factor that is changed by the ______.
Independent variable: the factor that is changed by the ______.
Dependent variable: the factor that changes because of the independent ______. This is what the experimental measures.
Dependent variable: the factor that changes because of the independent ______. This is what the experimental measures.
Variables are factors in the experiment that ______.
Variables are factors in the experiment that ______.
Qualitative data is observable through the ______, like color, texture, and smell.
Qualitative data is observable through the ______, like color, texture, and smell.
Quantitative data is measurable, like length, time, or number of ______.
Quantitative data is measurable, like length, time, or number of ______.
When the trials are over, scientists analyze the ______.
When the trials are over, scientists analyze the ______.
Engineers use scientific knowledge to solve problems by developing objects, tools, processes, and ______.
Engineers use scientific knowledge to solve problems by developing objects, tools, processes, and ______.
Scientists can collect qualitative or quantitative data during the ______.
Scientists can collect qualitative or quantitative data during the ______.
Scientists organize and analyze the data to determine the answers to the ______ question.
Scientists organize and analyze the data to determine the answers to the ______ question.
Questions and Answers
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Study Notes
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.
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