IC3 Unit Review #1

Front

What is a control group in an experiment?

Back

A control group is a group in an experiment that does not receive the treatment or intervention, allowing for comparison against the experimental group.

Front

What are the products of combustion in a burning demonstration?

Back

The products of combustion typically include carbon dioxide, water, and energy.

Front

Why is it important to keep good records of data in an experiment?

Back

Keeping good records of data is crucial for analyzing results, drawing conclusions, and ensuring the experiment can be replicated.

Front

Which macronutrient contains the most energy per gram?

Back

Fat contains the most energy, providing 9 calories per gram, compared to carbohydrates and proteins which provide 4 calories per gram.

Front

What happens to carbon dioxide levels during exercise?

Back

Carbon dioxide levels increase during exercise due to the consumption of oxygen and food in a chemical reaction that produces carbon dioxide as a byproduct.

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 is a hypothesis?

Back

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

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

Why is sample size important in experiments?

Back

A larger sample size increases the reliability of results and reduces the impact of outliers.

Front

What is the purpose of a scientific question?

Back

A scientific question guides the research and experimentation process, focusing on specific aspects of a phenomenon.