Final Prep Review

Front

What factors can increase the size of a population?

Back

Immigration and births are the factors that can increase the size of a population.

Front

True or False: In an experiment, the dependent variable is the one measured to see how it responds.

Back

True

Front

What is the proper way to write a hypothesis?

Back

If I add more water, then the plant will grow taller.

Front

What type of variable responds to the experiment and is measured to determine if the hypothesis is true?

Back

Dependent variable.

Front

What happens to a population when resources are not available?

Back

The population will decrease in size.

Front

Define 'independent variable' in an experiment.

Back

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

Front

What is a 'control' in an experiment?

Back

A control is a standard against which the results of an experiment are compared.

Front

What is the difference between a hypothesis and a theory?

Back

A hypothesis is a testable prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.

Front

What is the purpose of a scientific experiment?

Back

The purpose of a scientific experiment is to test a hypothesis by collecting data and analyzing the results.

Front

What does it mean to 'analyze data' in scientific research?

Back

To analyze data means to examine and interpret the collected information to draw conclusions.