
Unit 1 Review
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the Independent Variable (IV)?
Back
The Independent Variable (IV) is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable. In the context of the provided question, the IV is Temperature (°C).
2.
FLASHCARD QUESTION
Front
Why is personal protective equipment (PPE) like goggles, gloves, and masks used in experiments?
Back
PPE is used to protect the wearer from exposure to hazardous materials, chemicals, or biological agents. In the context of the provided question, it is to protect her face & hands from chemicals.
3.
FLASHCARD QUESTION
Front
What conclusion can be drawn from data showing heart rate and temperature?
Back
The conclusion is that heart rate increases as temperature increases.
4.
FLASHCARD QUESTION
Front
What is a dependent variable?
Back
The dependent variable is the variable that is measured or tested in an experiment. In the context of the provided question, the dependent variable is the Test score.
5.
FLASHCARD QUESTION
Front
What is a scientific hypothesis?
Back
A scientific hypothesis is a testable prediction about the relationship between two or more variables.
6.
FLASHCARD QUESTION
Front
What is the purpose of a control group in an experiment?
Back
The control group is used as a benchmark to measure how the other tested subjects do. It helps to isolate the effects of the independent variable.
7.
FLASHCARD QUESTION
Front
What is the difference between qualitative and quantitative data?
Back
Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).
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