S1 Final - Unit 1 review

Front

What is the dependent variable in an experiment?

Back

The dependent variable is the factor that is measured or observed in an experiment, which changes in response to the independent variable.

Front

What is the significance of significant figures in measurements?

Back

Significant figures indicate the precision of a measurement. They help convey how accurate a measurement is.

Front

Convert 15 m to mm.

Back

15 m = 15,000 mm.

Front

How do you convert yards to feet?

Back

To convert yards to feet, multiply the number of yards by 3 (since 1 yard = 3 feet).

Front

What is the independent variable in an experiment?

Back

The independent variable is the one factor that is changed or manipulated by the experimenter to observe its effect on the dependent variable.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for calculating the volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

Front

What is a hypothesis in scientific research?

Back

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

Front

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

Back

A control group is used as a benchmark to compare the effects of the independent variable, ensuring that the results are due to the variable being tested.