Nature of Science

Name the steps for an experiment in order

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

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

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?

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

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

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

used to organize data when it is collected

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

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

What is a hypothesis?

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

information gathered using your 5 senses

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

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

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.

What step does every scientific experiment begin with?

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?

a visual representation of data used to show patterns and relationships

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?

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

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