Unit 1 Science Foundations PS Review

Front

What is the independent variable in an experiment measuring the effect of temperature on enzyme activity?

Back

Temperature

Front

What unit of measurement is best for measuring how long a child can hold their breath underwater?

Back

Seconds

Front

What is the SI unit for temperature?

Back

Kelvin (K)

Front

What is an example of a qualitative observation?

Back

The shirt is green.

Front

What unit of measurement is most appropriate for measuring the mass of a truck?

Back

Kilograms

Front

What is the dependent variable in an experiment?

Back

The variable that is measured or observed in response to changes in the independent variable.

Front

What is a hypothesis?

Back

A testable prediction about the relationship between variables.

Front

What is the difference between qualitative and quantitative observations?

Back

Qualitative observations describe characteristics, while quantitative observations involve measurements.

Front

What does SI stand for in scientific measurements?

Back

International System of Units.

Front

What is the purpose of a control group in an experiment?

Back

To provide a baseline for comparison against the experimental group.