0.1 Exercise 4: Experimental Planning

Front

What is the technique to control carbon dioxide levels in an experiment?

Back

Controlled with a solution of hydrogen carbonate.

Front

Is temperature data qualitative (QL) or quantitative (QN)?

Back

QN

Front

Is the number of leaves data qualitative (QL) or quantitative (QN)?

Back

QN

Front

What is the technique to control acidity in an experiment?

Back

Can be controlled using a buffer.

Front

Is the amount of nutrients data qualitative (QL) or quantitative (QN)?

Back

QN

Front

Define qualitative data.

Back

Data that describes characteristics or qualities that cannot be measured numerically.

Front

Define quantitative data.

Back

Data that can be measured and expressed numerically.

Front

What is the purpose of using a buffer in experiments?

Back

To maintain a stable pH level.

Front

Give an example of a qualitative observation.

Back

The leaves are green.

Front

Give an example of a quantitative observation.

Back

There are 15 leaves on the plant.