Nature of Science

Ms. Jenks sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The independent variable is

Elaine is studying the effect of sleep deprivation on motorists. The chart below shows the reaction times of the drivers she studied. What is the independent variable in Elaine’s study?

In an experiment, the one variable that is changed is called the

information gathered using your 5 senses

In an experiment, the factor that we measure is called the

A possible explanation to a problem that has not yet been tested.

A scientist hypothesizes the the temperature at which an alligator's egg is incubated will determine whether the alligator will be male or female. The dependent variable is

Two students prepare lab reports, one for a physics class and the other for a biology class. Which of the following items will both reports contain?

Another scientist does my experiment.

used to organize data when it is collected

What step does every scientific experiment begin with?

A list of the steps anyone could follow to conduct an experiment.

group that receives a different amount or type of the variable you are changing

What is a hypothesis?

A students was doing an experiment using the scientific method. Every three days the student plans to count the green leaves. Which would be a good hypothesis for this experiment?

a visual representation of data used to show patterns and relationships

repeated measurements or trials within an experiment

There are two types of data. Which type of data involves numbers that are obtained by counting or measuring?

Marcus is completing a science experiment for class. He wants to see what effect water temperature has on plants. If his experiment contains one independent variable, which of the following would NOT be a constant in his experiment?

A scientist studying cold medicines hypothesizes that one particular medicine is more effective than the others in the study. He attempts the experiment several times. Each attempt produces a different result. What should he do next?

In a controlled experiment, how many independent variables can be worked with at a time?

A broad and comprehensive statement of what is thought to be true; it is supported by much evidence.

The summary at the end of an experiment that explains the results.

Name the steps for an experiment in order

f I study for my scientific method quiz, then I will have a better test score. What is the dependent variable?

group that does not receive the variable you are changing or gets the "normal condition"

There are two types of data. Which type of data involves descriptions/photographs/illustrations that cannot be counted or measured?