12/18/24 Observations and Inferences Flashcard

Front

What is an observation?

Back

An observation is a statement made based on what one sees, hears, or feels. It is factual and can be measured or recorded.

Front

What is an inference?

Back

An inference is a conclusion drawn from observations. It involves interpretation and reasoning beyond the immediate data.

Front

What is a qualitative observation?

Back

A qualitative observation describes characteristics or qualities that cannot be measured with numbers, such as color, texture, or shape.

Front

What is a quantitative observation?

Back

A quantitative observation involves measurements and numbers, such as height, weight, or temperature.

Front

Give an example of a qualitative observation.

Back

The flower is red and has a sweet fragrance.

Front

Give an example of a quantitative observation.

Back

The liquid has a temperature of 25 degrees Celsius.

Front

What does it mean if a solution is clear and transparent?

Back

It means that the solution allows light to pass through without scattering, indicating it is free of suspended particles.

Front

What is the significance of a pH of 7?

Back

A pH of 7 indicates that a solution is neutral, meaning it is neither acidic nor basic.

Front

How can you determine if an observation is qualitative or quantitative?

Back

If the observation involves descriptions without numbers, it is qualitative. If it involves measurements or numbers, it is quantitative.

Front

Why is it important to distinguish between observations and inferences?

Back

Distinguishing between observations and inferences helps in understanding the difference between what is directly seen and what is interpreted, leading to clearer scientific communication.