Honors Chemistry Ch. 2 Sec. 1 Examples

Observation and data, a theory, a hypothesis, a control, or a model?

A research team records the rainfall in inches per day in a prescribed area of the rain forest. The square footage of vegetation and relative plant density per square foot are also measured.

Observation and data
Observation and data, a theory, a hypothesis, a control, or a model?

The intensity, duration, and time of day of the precipitation are noted for each precipitation episode. The types of vegetation in the are are recorded and classified.

Observation and data
Observation and data, a theory, a hypothesis, a control, or a model?

The information gathered is compared with the data on the average precipitation and the plant population collected over the last 10 years.

Control
Observation and data, a theory, a hypothesis, a control, or a model?

The information gathered by the research team indicates that rainfall has decreased significantly, They propose that deforestation is the primary cause of this phenomenon.

Hypothesis