Dependent - Independent Variable

Multiple Choice

Recorded observations or measurements are called:

• Scientific Method

• Data

• Variables

• Insurance

Multiple Choice

What is the independent variable?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What is the dependent variable?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What variable is being manipluted?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What variable is being measured?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What kind of data is being collected?

• Qualitative

• Quantitative

Multiple Choice

What label is on the X-axis?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What label is on the Y-axis?

• Number of Students

• Grades

• I would like more help

Multiple Choice

What is the responding variable in this example?

• Number of Students

• Grades

• I would like more help

Multiple Select

Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.

What is the independent variable in this experiment?

• The type of rose bush

• The number of flowers

• The number of leaves

Multiple Select

Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment.

What is the dependent variable in this experiment?

• The type of rose bush

• The number of flowers

• The number of leaves

Multiple Choice

Which of the following best describes an independent variable?

• It is the variable that you measure.

• It is the variable that stays the same.

• It is the variable that you change on purpose.

Multiple Choice

Which of the following best describes a dependent variable?

• It is the variable that you measure.

• It is the variable that stays the same.

• It is the variable that you change on purpose.

Multiple Choice

Which of the following best describes a constant variable?

• It is the variable that you measure.

• It is the variable that stays the same.

• It is the variable that you change on purpose.

Multiple Choice

When do scientists test their hypothesis?

• After analyzing their results.

• Whenever they are recording data from their experiment.

• We do not need a hypothesis when testing.

• None of these answer choices!

Multiple Choice

When solving the problem of a broken iPhone, which of the following would be an example of a

hypothesis?

• Charge the iPhone for 12 hours.

• The broken phone is due to water damage.

• There is nothing wrong with the iPhone

• If I place the iPhone in rice, then the phone will work again.

Multiple Choice

Select the correct format to write a hypothesis statement:

• If, Then

• If (independent variable), then (dependent variable)

• Then, If

Multiple Choice

The parts of an experiment that are kept the same to ensure a fair test are called:

• Conclusions

• Constants

• Hypotheses

Multiple Choice

The statement, “What is causing my car's AC vent to blow out water vapor?” is an example of

• stating a conclusion to a problem

• gathering information

• collecting data

• stating a problem

Multiple Choice

The statement, “Why is water dripping from my faucet?” is an example of

• stating a conclusion to a problem

• gathering information

• collecting data

• stating a problem

Multiple Choice

The most important lab safety rule is:

• Wear goggles when performing every lab.

• Know how to use the eyewash station.

• Clean up after the lab.

• Read all directions before performing the lab

Multiple Choice

Graduated cylinders are used to measure what?

• Termperature

• Mass

• Length & distance

• Volume

Multiple Choice

This is the step of the scientific method that comes after the Question?

• Hypothesis

• Experiment

• Conclusion

• Observations / Research

Multiple Choice

True or False. A hypothesis can be right or wrong

• True

• False

Multiple Choice

The variable that you are changing is what?

• Dependent

• Control

• Independent

• Constant

Multiple Choice

_________ observations are based on physical appearance

• Quantitative

• Qualitative

• All

• No

Multiple Choice

What step of the scientific method do you use tables and graphs?

• Hypothesis

• Analyze data

• Conclusion

• Experiment

Multiple Choice

This is the trial where NOTHING is changed.

• Constant

• Independent variable

• Control

• Dependent variable

Multiple Choice

Rulers & meter sticks are used to measure what?

• Mass

• Length & distance

• Volume

• Temperature

Multiple Choice

What tool do you use to measure temperature?

• Thermometer

• Graduated cylinder

• Ruler

• Microscope

Multiple Choice

What tool do you use to measure mass?

• Thermometer

• Graduated cylinder

• Triple beam balance

• Ruler

Multiple Choice

What type of graph shows a relationship between two variables?

• Bar graphs

• Line graphs

• Circle/pie graphs

Multiple Choice

Constants are the parts of the experiment that what?

• Change

• Are measured

• Don't exist

• Stay the same

Multiple Choice

Graduated cylinders are used to measure what?

• Termperature

• Mass

• Length & distance

• Volume

Multiple Choice

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Multiple Choice

A student wants to test the effects of type of exercise on heart rate.  What is the dependent variable?

• heart rate
• type of exercise
• amount of exercise
• time of day exercise occurs

Multiple Choice

Is this a testable question? 
What types of apples grow in Missouri? 

• Yes
• No 

Multiple Choice

Is this a testable question? 
How does talking to a plant affect a plants height? 

• yes
• No

Multiple Choice

What is a hypothesis?

• A hypothesis is the right answer to an experiment.
• A hypothesis is the wrong answer to an experiment.
• A hypothesis is an educated guess.

Multiple Choice

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

Multiple Choice

Why do we want to test one variable at a time?

• Because it is hard to setup a data table with more
• To know what is causing the changes
• It is what has always been done
• No one really knows

Multiple Choice

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball
• Force acting on the ball
• Height that the ball bounces
• Height from which the ball is dropped

Multiple Choice

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what is the dependent variable?

• Type of plant
• Water, apple juice, milk
• Plant growth

Multiple Choice

Mr. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball

Multiple Choice

How does the amount of yeast affect how high bread rises?

• independent
• dependent

Multiple Choice

How does adding cardio to one’s daily schedule affect their heart rate?

• independent
• dependent

Multiple Choice

Research that a scientist does to help them create their HYPOTHESIS, plan their EXPERIMENT and make sure it is SAFE.

• Hypothesis
• Problem Statement
• Data and Results
• Background Knowledge/Research

Multiple Choice

This is the step of the scientific method where you record OBSERVATIONS in a DATA TABLE, and then make a GRAPH.

• Hypothesis
• Data/Results
• Procedure
• Conclusion

Multiple Choice

Detailed list of STEPS and MATERIALS needed to perform an experiment.

• Hypothesis
• Background Knowledge/Research
• Conclusion
• Procedure

Multiple Choice

This is the SUMMARY of the experiment – the results and if they were accurate or not, whether their hypothesis was true, changes they would make, and why it was important.

• Hypothesis
• Data/Results
• Conclusion
• Procedure

Multiple Choice

Variable that is MEASURED or OBSERVED; it DEPENDS on the independent variable.

• Control Variable
• Variable
• Dependent Variable
• Independent Variable

Multiple Choice

Variable that the scientist keeps CONSTANT or the SAME. 

• Control Variable
• Variable
• Dependent Variable
• Independent Variable

Multiple Choice

How do scientists know that their data is accurate? 

• Follow their procedure exactly and control all their variables
• Compare results with other scientists that tested the same thing and get similar results
• Repeat the experiment and get similar results
• All of the choices are correct.

Multiple Choice

Before a scientific experiment begins, you need to form a(n)...

• hypothesis

• variable

• procedures

• conclusion

Multiple Choice

The scientific method begins with a(n)...

• question

• observation

• inference

• experiment

Multiple Choice

In a well designed experiment, you should change how many variables?

• only one
• no more than two
• none at all
• as many as are needed

Multiple Choice

Data we get by using our senses.

• inferences
• observations
• hypothesis

Multiple Choice

A series of steps used by scientists to solve a problem or answer a question. 

• scientific method
• recipe
• data collection
• metric system