Unit 1 & 2 Flashcardizz MidTerm Exam Review

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What is a quantitative observation?

Back

A quantitative observation is a measurement that involves numbers and can be quantified, such as 'The bird has 4 different colors on him.'

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What is a control group in an experiment?

Back

The control group is the group in an experiment that does not receive the treatment or condition being tested, used for comparison. In the sunflower plant experiment, the plant getting pure water is the control group.

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How do you determine the total number of participants in a survey?

Back

To determine the total number of participants, simply add up all the responses. For example, if 100 people took the survey, that is the total.

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What is a dependent variable?

Back

The dependent variable is the variable that is measured in an experiment. It is affected by changes in the independent variable.

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What is an inference?

Back

An inference is a conclusion drawn from evidence or reasoning rather than from explicit statements. For example, 'The yard is wet so it must have rained last night' is an inference.

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What is an independent variable?

Back

The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a controlled variable?

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A controlled variable is a factor that is kept constant throughout an experiment to ensure that the results are due to the independent variable.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).

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What is the purpose of a hypothesis in an experiment?

Back

A hypothesis is a testable prediction about the relationship between variables in an experiment.

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What is the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.