Unit 1 Review

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).

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.

Front

What conclusion can be drawn from data showing heart rate and temperature?

Back

The conclusion is that heart rate increases as temperature increases.

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.

Front

What is a scientific hypothesis?

Back

A scientific hypothesis is a testable prediction about the relationship between two or more variables.

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.

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).

Front

What is the scientific method?

Back

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

Front

What does it mean to analyze data?

Back

Analyzing data involves examining, interpreting, and drawing conclusions from collected information.

Front

What is a variable in an experiment?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.