Science Experiment and Graph Analysis Questions

Front

What type of data is collected when measuring the duration of flavor in gum?

Back

Quantitative data.

Front

What is a dependent variable in an experiment?

Back

A dependent variable is the variable that is measured and affected by changes in the independent variable.

Front

What is an independent variable in an experiment?

Back

An independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What conclusion can be drawn from a table showing plant height increases with fertilizer concentration?

Back

Plant height increases as the concentration of fertilizer added to the soil increases.

Front

What is the purpose of conducting a follow-up investigation in an experiment?

Back

To explore further questions or hypotheses based on initial findings.

Front

What is the relationship between sea urchins and coral in an ecosystem?

Back

The addition of sea urchins to an ecosystem will increase coral populations.

Front

What does a graph showing bird bath water levels indicate about bird preferences?

Back

The birds prefer 5-6 liters of water in their bird bath.

Front

What is the significance of using a control group in an experiment?

Back

A control group allows for comparison to see the effect of the independent variable.

Front

What is the role of observation in scientific experiments?

Back

Observation is used to gather data and evidence to support or refute a hypothesis.

Front

What is a hypothesis?

Back

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